[INFO] cloning repository https://github.com/jaduplansti/chronos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaduplansti/chronos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaduplansti%2Fchronos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaduplansti%2Fchronos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3825f2aae4b89f2761fe5104c44d4e8cc48ab067
[INFO] checking jaduplansti/chronos against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaduplansti%2Fchronos" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaduplansti/chronos on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaduplansti/chronos
[INFO] finished tweaking git repo https://github.com/jaduplansti/chronos
[INFO] tweaked toml for git repo https://github.com/jaduplansti/chronos written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaduplansti/chronos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f8ec56e7532478919063bb8ef91a81624dd84be31b2ceb12fd7adf90458c842
[INFO] running `Command { std: "docker" "start" "-a" "3f8ec56e7532478919063bb8ef91a81624dd84be31b2ceb12fd7adf90458c842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f8ec56e7532478919063bb8ef91a81624dd84be31b2ceb12fd7adf90458c842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8ec56e7532478919063bb8ef91a81624dd84be31b2ceb12fd7adf90458c842", kill_on_drop: false }`
[INFO] [stdout] 3f8ec56e7532478919063bb8ef91a81624dd84be31b2ceb12fd7adf90458c842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2642e215269336cc094a39a01ed0a4e4301790fe0990c098a767850743e744a
[INFO] running `Command { std: "docker" "start" "-a" "a2642e215269336cc094a39a01ed0a4e4301790fe0990c098a767850743e744a", kill_on_drop: false }`
[INFO] [stderr]     Checking chronos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `string_of_tasks`
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut string_of_tasks = String::new();  
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_of_tasks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task`
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for task in &self.list {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut string_of_tasks = String::new();  
[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: struct `Task` is never constructed
[INFO] [stdout]  --> src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Task {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaskList` is never constructed
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct TaskList {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl TaskList {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 19 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn find_by_name(self : &mut Self, name : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn find_by_author(self : &mut Self, author : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn find_by_start_date(self : &mut Self, start_date : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn find_by_run_date(self : &mut Self, run_date : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn tasks_to_string(self : &mut Self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn save(self : &mut Self, filename : String) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string_of_tasks`
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut string_of_tasks = String::new();  
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string_of_tasks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `task`
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for task in &self.list {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut string_of_tasks = String::new();  
[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: struct `Task` is never constructed
[INFO] [stdout]  --> src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Task {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaskList` is never constructed
[INFO] [stdout]   --> src/main.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct TaskList {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl TaskList {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 19 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn find_by_name(self : &mut Self, name : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn find_by_author(self : &mut Self, author : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn find_by_start_date(self : &mut Self, start_date : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn find_by_run_date(self : &mut Self, run_date : String) -> Option<Task> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn tasks_to_string(self : &mut Self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn save(self : &mut Self, filename : String) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "a2642e215269336cc094a39a01ed0a4e4301790fe0990c098a767850743e744a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2642e215269336cc094a39a01ed0a4e4301790fe0990c098a767850743e744a", kill_on_drop: false }`
[INFO] [stdout] a2642e215269336cc094a39a01ed0a4e4301790fe0990c098a767850743e744a