[INFO] cloning repository https://github.com/adfaure/meta-scheduler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adfaure/meta-scheduler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadfaure%2Fmeta-scheduler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadfaure%2Fmeta-scheduler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08cd53874975a025a038683a3f5f90c7884d4124
[INFO] testing adfaure/meta-scheduler against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadfaure%2Fmeta-scheduler" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adfaure/meta-scheduler on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adfaure/meta-scheduler
[INFO] finished tweaking git repo https://github.com/adfaure/meta-scheduler
[INFO] tweaked toml for git repo https://github.com/adfaure/meta-scheduler written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/adfaure/meta-scheduler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmq-sys v0.8.1
[INFO] [stderr]   Downloaded zmq v0.8.1
[INFO] [stderr]   Downloaded procset v0.1.1
[INFO] [stderr]   Downloaded batsim-rs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6cf6a837bb5cc608aa232f87dce491799febcf05ba272a1fb26ffdaef044485
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6cf6a837bb5cc608aa232f87dce491799febcf05ba272a1fb26ffdaef044485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6cf6a837bb5cc608aa232f87dce491799febcf05ba272a1fb26ffdaef044485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6cf6a837bb5cc608aa232f87dce491799febcf05ba272a1fb26ffdaef044485", kill_on_drop: false }`
[INFO] [stdout] b6cf6a837bb5cc608aa232f87dce491799febcf05ba272a1fb26ffdaef044485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e8c212ed7ec32dee47367e1e426a1bd07c543a19b242a1582560a003b5d964d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e8c212ed7ec32dee47367e1e426a1bd07c543a19b242a1582560a003b5d964d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling procset v0.1.1
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling zmq-sys v0.8.1
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling zmq v0.8.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling batsim-rs v0.1.0
[INFO] [stderr]    Compiling meta-scheduler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/common.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntervalSet`, `ToIntervalSet`
[INFO] [stdout]  --> src/meta_scheduler.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use interval_set::{Interval, IntervalSet, ToIntervalSet};
[INFO] [stdout]   |                              ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/meta_scheduler.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     schedulers_map: HashMap<Uuid, Box<SubScheduler>>,
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/meta_scheduler.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let scheduler: Box<SubScheduler> =
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/meta_scheduler.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let scheduler: Box<SubScheduler> =
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/meta_scheduler.rs:374:34
[INFO] [stdout]     |
[INFO] [stdout] 374 |                       func: &mut FnMut(&mut Box<SubScheduler>)) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Box<SubScheduler>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/meta_scheduler.rs:374:49
[INFO] [stdout]     |
[INFO] [stdout] 374 |                       func: &mut FnMut(&mut Box<SubScheduler>)) {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `batsim::*`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use batsim::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fcfs_scheduler.rs:79:46
[INFO] [stdout]    |
[INFO] [stdout] 79 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/sub_scheduler.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/sub_scheduler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sub_scheduler.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/meta_scheduler.rs:284:23
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let cb = |j: Rc<Allocation>| false;
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rejected_jobs`
[INFO] [stdout]    --> src/meta_scheduler.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let mut rejected_jobs: Vec<Rc<Allocation>> = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rejected_jobs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job_id`
[INFO] [stdout]    --> src/meta_scheduler.rs:295:22
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 Some(job_id) => panic!("This scheduler is not allowed to reject jobs"),
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_job_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_delayed_allocations`
[INFO] [stdout]    --> src/meta_scheduler.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let mut all_delayed_allocations: HashSet<Rc<Allocation>> = HashSet::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_delayed_allocations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j_id`
[INFO] [stdout]    --> src/meta_scheduler.rs:384:20
[INFO] [stdout]     |
[INFO] [stdout] 384 |         let (w_id, j_id) = Job::split_id(&job.id);
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_j_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nm_res`
[INFO] [stdout]    --> src/meta_scheduler.rs:401:25
[INFO] [stdout]     |
[INFO] [stdout] 401 |                     let nm_res = job.res;
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nm_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_time`
[INFO] [stdout]   --> src/fcfs_scheduler.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn easy_back_filling(&mut self, current_time: f64) -> Vec<Rc<Allocation>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_rejection_possible`
[INFO] [stdout]   --> src/fcfs_scheduler.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_rejection_possible`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn job_waiting(&mut self, time: f64, allocation: Rc<Allocation>) {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `killed_job`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn job_killed(&mut self, killed_job: String) {
[INFO] [stdout]     |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_killed_job`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:177:34
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn job_backfilled(&mut self, time: f64, job: String) {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:177:45
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn job_backfilled(&mut self, time: f64, job: String) {
[INFO] [stdout]     |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:181:37
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn job_revert_allocation(&self, allocation: Rc<Allocation>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn register_to_allocation(&self, allocation: Rc<Allocation>) {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:190:28
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn allocate_job(&self, allocation: Rc<Allocation>) -> Rc<Allocation> {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/sub_scheduler.rs:85:22
[INFO] [stdout]    |
[INFO] [stdout] 85 |                      time: f64,
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waiting`
[INFO] [stdout]    --> src/sub_scheduler.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |             Some(waiting) => {
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waiting`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `removed_alloc`
[INFO] [stdout]    --> src/sub_scheduler.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                     let removed_alloc = self.jobs_queue.remove(pos);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed_alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `removed_alloc`
[INFO] [stdout]    --> src/sub_scheduler.rs:222:25
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     let removed_alloc = self.jobs_waiting.remove(pos);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed_alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let mut scheduler = self.schedulers_map
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let mut scheduler = self.schedulers_map
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let mut rejected_jobs: Vec<Rc<Allocation>> = vec![];
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let mut all_delayed_allocations: HashSet<Rc<Allocation>> = HashSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:314:17
[INFO] [stdout]     |
[INFO] [stdout] 314 |             let mut scheduler = self.schedulers_map
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:411:34
[INFO] [stdout]     |
[INFO] [stdout] 411 | ...                   Some(mut idx_scheduler) => {
[INFO] [stdout]     |                            ----^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fcfs_scheduler.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut alloc = self.jobs_running.remove(idx);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sub_scheduler.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     Some(mut next_allocation) => {
[INFO] [stdout]    |                          ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_size`
[INFO] [stdout]   --> src/fcfs_scheduler.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     max_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/common.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         write!(f, "job: {}\t", self.job.id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/sub_scheduler.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         match self.jobs_running.first() {
[INFO] [stdout] 40 | |             Some(job) => write!(f, "jobs running: {} \t", job.0.job.id),
[INFO] [stdout] 41 | |             None => write!(f, "Jobs running: None \t"),
[INFO] [stdout] 42 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/sub_scheduler.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         match self.jobs_waiting.first() {
[INFO] [stdout] 44 | |             Some(job) => write!(f, "jobs waiting: {} \t", job.job.id),
[INFO] [stdout] 45 | |             None => write!(f, "Jobs waiting: None"),
[INFO] [stdout] 46 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.20s
[INFO] running `Command { std: "docker" "inspect" "0e8c212ed7ec32dee47367e1e426a1bd07c543a19b242a1582560a003b5d964d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e8c212ed7ec32dee47367e1e426a1bd07c543a19b242a1582560a003b5d964d", kill_on_drop: false }`
[INFO] [stdout] 0e8c212ed7ec32dee47367e1e426a1bd07c543a19b242a1582560a003b5d964d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b803b23f80c71a7f8edfc5d545b4894d5c16bdfa5220777f6bf68630ad6fee10
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b803b23f80c71a7f8edfc5d545b4894d5c16bdfa5220777f6bf68630ad6fee10", kill_on_drop: false }`
[INFO] [stderr]    Compiling meta-scheduler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/common.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntervalSet`, `ToIntervalSet`
[INFO] [stdout]  --> src/meta_scheduler.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use interval_set::{Interval, IntervalSet, ToIntervalSet};
[INFO] [stdout]   |                              ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/meta_scheduler.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |     schedulers_map: HashMap<Uuid, Box<SubScheduler>>,
[INFO] [stdout]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/meta_scheduler.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let scheduler: Box<SubScheduler> =
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/meta_scheduler.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let scheduler: Box<SubScheduler> =
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/meta_scheduler.rs:374:34
[INFO] [stdout]     |
[INFO] [stdout] 374 |                       func: &mut FnMut(&mut Box<SubScheduler>)) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Box<SubScheduler>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/meta_scheduler.rs:374:49
[INFO] [stdout]     |
[INFO] [stdout] 374 |                       func: &mut FnMut(&mut Box<SubScheduler>)) {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `batsim::*`
[INFO] [stdout]  --> src/fcfs_scheduler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use batsim::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fcfs_scheduler.rs:79:46
[INFO] [stdout]    |
[INFO] [stdout] 79 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/sub_scheduler.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/sub_scheduler.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sub_scheduler.rs:86:46
[INFO] [stdout]    |
[INFO] [stdout] 86 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/meta_scheduler.rs:284:23
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let cb = |j: Rc<Allocation>| false;
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rejected_jobs`
[INFO] [stdout]    --> src/meta_scheduler.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let mut rejected_jobs: Vec<Rc<Allocation>> = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rejected_jobs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job_id`
[INFO] [stdout]    --> src/meta_scheduler.rs:295:22
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 Some(job_id) => panic!("This scheduler is not allowed to reject jobs"),
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_job_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_delayed_allocations`
[INFO] [stdout]    --> src/meta_scheduler.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let mut all_delayed_allocations: HashSet<Rc<Allocation>> = HashSet::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_delayed_allocations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j_id`
[INFO] [stdout]    --> src/meta_scheduler.rs:384:20
[INFO] [stdout]     |
[INFO] [stdout] 384 |         let (w_id, j_id) = Job::split_id(&job.id);
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_j_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nm_res`
[INFO] [stdout]    --> src/meta_scheduler.rs:401:25
[INFO] [stdout]     |
[INFO] [stdout] 401 |                     let nm_res = job.res;
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nm_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_time`
[INFO] [stdout]   --> src/fcfs_scheduler.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn easy_back_filling(&mut self, current_time: f64) -> Vec<Rc<Allocation>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_rejection_possible`
[INFO] [stdout]   --> src/fcfs_scheduler.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_rejection_possible`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn job_waiting(&mut self, time: f64, allocation: Rc<Allocation>) {
[INFO] [stdout]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `killed_job`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:158:30
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn job_killed(&mut self, killed_job: String) {
[INFO] [stdout]     |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_killed_job`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:177:34
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn job_backfilled(&mut self, time: f64, job: String) {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:177:45
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn job_backfilled(&mut self, time: f64, job: String) {
[INFO] [stdout]     |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:181:37
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn job_revert_allocation(&self, allocation: Rc<Allocation>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn register_to_allocation(&self, allocation: Rc<Allocation>) {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `allocation`
[INFO] [stdout]    --> src/fcfs_scheduler.rs:190:28
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn allocate_job(&self, allocation: Rc<Allocation>) -> Rc<Allocation> {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/sub_scheduler.rs:85:22
[INFO] [stdout]    |
[INFO] [stdout] 85 |                      time: f64,
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `waiting`
[INFO] [stdout]    --> src/sub_scheduler.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |             Some(waiting) => {
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waiting`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `removed_alloc`
[INFO] [stdout]    --> src/sub_scheduler.rs:213:25
[INFO] [stdout]     |
[INFO] [stdout] 213 |                     let removed_alloc = self.jobs_queue.remove(pos);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed_alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `removed_alloc`
[INFO] [stdout]    --> src/sub_scheduler.rs:222:25
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     let removed_alloc = self.jobs_waiting.remove(pos);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed_alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |             let mut scheduler = self.schedulers_map
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let mut scheduler = self.schedulers_map
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let mut rejected_jobs: Vec<Rc<Allocation>> = vec![];
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let mut all_delayed_allocations: HashSet<Rc<Allocation>> = HashSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:314:17
[INFO] [stdout]     |
[INFO] [stdout] 314 |             let mut scheduler = self.schedulers_map
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/meta_scheduler.rs:411:34
[INFO] [stdout]     |
[INFO] [stdout] 411 | ...                   Some(mut idx_scheduler) => {
[INFO] [stdout]     |                            ----^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fcfs_scheduler.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut alloc = self.jobs_running.remove(idx);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sub_scheduler.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     Some(mut next_allocation) => {
[INFO] [stdout]    |                          ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_size`
[INFO] [stdout]   --> src/fcfs_scheduler.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     max_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/common.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         write!(f, "job: {}\t", self.job.id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/sub_scheduler.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         match self.jobs_running.first() {
[INFO] [stdout] 40 | |             Some(job) => write!(f, "jobs running: {} \t", job.0.job.id),
[INFO] [stdout] 41 | |             None => write!(f, "Jobs running: None \t"),
[INFO] [stdout] 42 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/sub_scheduler.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | /         match self.jobs_waiting.first() {
[INFO] [stdout] 44 | |             Some(job) => write!(f, "jobs waiting: {} \t", job.job.id),
[INFO] [stdout] 45 | |             None => write!(f, "Jobs waiting: None"),
[INFO] [stdout] 46 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "b803b23f80c71a7f8edfc5d545b4894d5c16bdfa5220777f6bf68630ad6fee10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b803b23f80c71a7f8edfc5d545b4894d5c16bdfa5220777f6bf68630ad6fee10", kill_on_drop: false }`
[INFO] [stdout] b803b23f80c71a7f8edfc5d545b4894d5c16bdfa5220777f6bf68630ad6fee10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 189166e2e0c3992dcc01feb258e4c85ee3ea1b105c51dbb256604bdc0906de40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "189166e2e0c3992dcc01feb258e4c85ee3ea1b105c51dbb256604bdc0906de40", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:15:46
[INFO] [stderr]    |
[INFO] [stderr] 15 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntervalSet`, `ToIntervalSet`
[INFO] [stderr]  --> src/meta_scheduler.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use interval_set::{Interval, IntervalSet, ToIntervalSet};
[INFO] [stderr]   |                              ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/meta_scheduler.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 |     schedulers_map: HashMap<Uuid, Box<SubScheduler>>,
[INFO] [stderr]    |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/meta_scheduler.rs:97:32
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let scheduler: Box<SubScheduler> =
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/meta_scheduler.rs:124:28
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let scheduler: Box<SubScheduler> =
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/meta_scheduler.rs:374:34
[INFO] [stderr]     |
[INFO] [stderr] 374 |                       func: &mut FnMut(&mut Box<SubScheduler>)) {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Box<SubScheduler>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/meta_scheduler.rs:374:49
[INFO] [stderr]     |
[INFO] [stderr] 374 |                       func: &mut FnMut(&mut Box<SubScheduler>)) {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn SubScheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/fcfs_scheduler.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]  --> src/fcfs_scheduler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cmp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/fcfs_scheduler.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `batsim::*`
[INFO] [stderr]  --> src/fcfs_scheduler.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use batsim::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fcfs_scheduler.rs:79:46
[INFO] [stderr]    |
[INFO] [stderr] 79 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::LinkedList`
[INFO] [stderr]  --> src/sub_scheduler.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::LinkedList;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/sub_scheduler.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sub_scheduler.rs:86:46
[INFO] [stderr]    |
[INFO] [stderr] 86 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Rc<Allocation>) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]    --> src/meta_scheduler.rs:284:23
[INFO] [stderr]     |
[INFO] [stderr] 284 |             let cb = |j: Rc<Allocation>| false;
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rejected_jobs`
[INFO] [stderr]    --> src/meta_scheduler.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |             let mut rejected_jobs: Vec<Rc<Allocation>> = vec![];
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rejected_jobs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `job_id`
[INFO] [stderr]    --> src/meta_scheduler.rs:295:22
[INFO] [stderr]     |
[INFO] [stderr] 295 |                 Some(job_id) => panic!("This scheduler is not allowed to reject jobs"),
[INFO] [stderr]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_job_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all_delayed_allocations`
[INFO] [stderr]    --> src/meta_scheduler.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let mut all_delayed_allocations: HashSet<Rc<Allocation>> = HashSet::new();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_delayed_allocations`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j_id`
[INFO] [stderr]    --> src/meta_scheduler.rs:384:20
[INFO] [stderr]     |
[INFO] [stderr] 384 |         let (w_id, j_id) = Job::split_id(&job.id);
[INFO] [stderr]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_j_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nm_res`
[INFO] [stderr]    --> src/meta_scheduler.rs:401:25
[INFO] [stderr]     |
[INFO] [stderr] 401 |                     let nm_res = job.res;
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nm_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_time`
[INFO] [stderr]   --> src/fcfs_scheduler.rs:73:37
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn easy_back_filling(&mut self, current_time: f64) -> Vec<Rc<Allocation>> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_rejection_possible`
[INFO] [stderr]   --> src/fcfs_scheduler.rs:79:22
[INFO] [stderr]    |
[INFO] [stderr] 79 |                      is_rejection_possible: &Fn(Rc<Allocation>) -> bool)
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_rejection_possible`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/fcfs_scheduler.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn job_waiting(&mut self, time: f64, allocation: Rc<Allocation>) {
[INFO] [stderr]     |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `killed_job`
[INFO] [stderr]    --> src/fcfs_scheduler.rs:158:30
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn job_killed(&mut self, killed_job: String) {
[INFO] [stderr]     |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_killed_job`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/fcfs_scheduler.rs:177:34
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn job_backfilled(&mut self, time: f64, job: String) {
[INFO] [stderr]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `job`
[INFO] [stderr]    --> src/fcfs_scheduler.rs:177:45
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn job_backfilled(&mut self, time: f64, job: String) {
[INFO] [stderr]     |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `allocation`
[INFO] [stderr]    --> src/fcfs_scheduler.rs:181:37
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn job_revert_allocation(&self, allocation: Rc<Allocation>) {
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `allocation`
[INFO] [stderr]    --> src/fcfs_scheduler.rs:185:38
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn register_to_allocation(&self, allocation: Rc<Allocation>) {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `allocation`
[INFO] [stderr]    --> src/fcfs_scheduler.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn allocate_job(&self, allocation: Rc<Allocation>) -> Rc<Allocation> {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_allocation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]   --> src/sub_scheduler.rs:85:22
[INFO] [stderr]    |
[INFO] [stderr] 85 |                      time: f64,
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `waiting`
[INFO] [stderr]    --> src/sub_scheduler.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |             Some(waiting) => {
[INFO] [stderr]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_waiting`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `removed_alloc`
[INFO] [stderr]    --> src/sub_scheduler.rs:213:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |                     let removed_alloc = self.jobs_queue.remove(pos);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed_alloc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `removed_alloc`
[INFO] [stderr]    --> src/sub_scheduler.rs:222:25
[INFO] [stderr]     |
[INFO] [stderr] 222 |                     let removed_alloc = self.jobs_waiting.remove(pos);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed_alloc`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/meta_scheduler.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 |             let mut scheduler = self.schedulers_map
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/meta_scheduler.rs:280:17
[INFO] [stderr]     |
[INFO] [stderr] 280 |             let mut scheduler = self.schedulers_map
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/meta_scheduler.rs:285:17
[INFO] [stderr]     |
[INFO] [stderr] 285 |             let mut rejected_jobs: Vec<Rc<Allocation>> = vec![];
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/meta_scheduler.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let mut all_delayed_allocations: HashSet<Rc<Allocation>> = HashSet::new();
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/meta_scheduler.rs:314:17
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let mut scheduler = self.schedulers_map
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/meta_scheduler.rs:411:34
[INFO] [stderr]     |
[INFO] [stderr] 411 | ...                   Some(mut idx_scheduler) => {
[INFO] [stderr]     |                            ----^^^^^^^^^^^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/fcfs_scheduler.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut alloc = self.jobs_running.remove(idx);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/sub_scheduler.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     Some(mut next_allocation) => {
[INFO] [stderr]    |                          ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_size`
[INFO] [stderr]   --> src/fcfs_scheduler.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     max_size: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         write!(f, "job: {}\t", self.job.id);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/sub_scheduler.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 | /         match self.jobs_running.first() {
[INFO] [stderr] 40 | |             Some(job) => write!(f, "jobs running: {} \t", job.0.job.id),
[INFO] [stderr] 41 | |             None => write!(f, "Jobs running: None \t"),
[INFO] [stderr] 42 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/sub_scheduler.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match self.jobs_waiting.first() {
[INFO] [stderr] 44 | |             Some(job) => write!(f, "jobs waiting: {} \t", job.job.id),
[INFO] [stderr] 45 | |             None => write!(f, "Jobs waiting: None"),
[INFO] [stderr] 46 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 46 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/meta_scheduler-423eaf4fe211dfaa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "189166e2e0c3992dcc01feb258e4c85ee3ea1b105c51dbb256604bdc0906de40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189166e2e0c3992dcc01feb258e4c85ee3ea1b105c51dbb256604bdc0906de40", kill_on_drop: false }`
[INFO] [stdout] 189166e2e0c3992dcc01feb258e4c85ee3ea1b105c51dbb256604bdc0906de40
