[INFO] fetching crate fisher_processor 0.1.0...
[INFO] checking fisher_processor-0.1.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate fisher_processor 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fisher_processor 0.1.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fisher_processor 0.1.0
[INFO] finished tweaking crates.io crate fisher_processor 0.1.0
[INFO] tweaked toml for crates.io crate fisher_processor 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fisher_common v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4977dcd3c79ad6a7889bb95349f82e64f0db1b58fe603cb6fff3672019959872
[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" "4977dcd3c79ad6a7889bb95349f82e64f0db1b58fe603cb6fff3672019959872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4977dcd3c79ad6a7889bb95349f82e64f0db1b58fe603cb6fff3672019959872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4977dcd3c79ad6a7889bb95349f82e64f0db1b58fe603cb6fff3672019959872", kill_on_drop: false }`
[INFO] [stdout] 4977dcd3c79ad6a7889bb95349f82e64f0db1b58fe603cb6fff3672019959872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd16f414da05c73332a915a14c2a617f6fe182a6bea996df1c25d8f6cdb8eb32
[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" "cd16f414da05c73332a915a14c2a617f6fe182a6bea996df1c25d8f6cdb8eb32", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking fisher_common v0.2.0
[INFO] [stderr]     Checking fisher_processor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/scheduler.rs:292:67
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let mut queued = HashSet::with_capacity(self.queue.len());;
[INFO] [stdout]     |                                                                   ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timer.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     handler: Box<Fn() + 'static + Send>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + 'static + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/scheduler.rs:292:67
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let mut queued = HashSet::with_capacity(self.queue.len());;
[INFO] [stdout]     |                                                                   ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/timer.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     handler: Box<Fn() + 'static + Send>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + 'static + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/test_utils.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     func: Arc<Mutex<Box<Fn(I) -> Result<()> + Send>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(I) -> Result<()> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scheduler.rs:217:33
[INFO] [stdout]     |
[INFO] [stdout] 217 |                     if let Some(mut thread) = self.threads.get_mut(&thread_id) {
[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/scheduler.rs:224:33
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     if let Some(mut waiting) = self.waiting.get_mut(&hook_id) {
[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/scheduler.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 |             if let Some(mut waiting) = self.waiting.get_mut(&hook_id) {
[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/scheduler.rs:383:33
[INFO] [stdout]     |
[INFO] [stdout] 383 |                     if let Some(mut waiting) = self.waiting.get_mut(&hook_id) {
[INFO] [stdout]     |                                 ----^^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/scheduler.rs:217:33
[INFO] [stdout]     |
[INFO] [stdout] 217 |                     if let Some(mut thread) = self.threads.get_mut(&thread_id) {
[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/scheduler.rs:224:33
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     if let Some(mut waiting) = self.waiting.get_mut(&hook_id) {
[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/scheduler.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 |             if let Some(mut waiting) = self.waiting.get_mut(&hook_id) {
[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/scheduler.rs:383:33
[INFO] [stdout]     |
[INFO] [stdout] 383 |                     if let Some(mut waiting) = self.waiting.get_mut(&hook_id) {
[INFO] [stdout]     |                                 ----^^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "cd16f414da05c73332a915a14c2a617f6fe182a6bea996df1c25d8f6cdb8eb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd16f414da05c73332a915a14c2a617f6fe182a6bea996df1c25d8f6cdb8eb32", kill_on_drop: false }`
[INFO] [stdout] cd16f414da05c73332a915a14c2a617f6fe182a6bea996df1c25d8f6cdb8eb32
