[INFO] fetching crate tiny_lib 0.0.2...
[INFO] checking tiny_lib-0.0.2 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate tiny_lib 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tiny_lib 0.0.2 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiny_lib 0.0.2
[INFO] finished tweaking crates.io crate tiny_lib 0.0.2
[INFO] tweaked toml for crates.io crate tiny_lib 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddbef27184fd635f5c593106c7a35942d6ca411b35a968e3eb8c50dc5d24e614
[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" "ddbef27184fd635f5c593106c7a35942d6ca411b35a968e3eb8c50dc5d24e614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddbef27184fd635f5c593106c7a35942d6ca411b35a968e3eb8c50dc5d24e614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbef27184fd635f5c593106c7a35942d6ca411b35a968e3eb8c50dc5d24e614", kill_on_drop: false }`
[INFO] [stdout] ddbef27184fd635f5c593106c7a35942d6ca411b35a968e3eb8c50dc5d24e614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8661ad625ab90e192b876771c6209f1a713434051215c110ea85323559e43a5e
[INFO] running `Command { std: "docker" "start" "-a" "8661ad625ab90e192b876771c6209f1a713434051215c110ea85323559e43a5e", kill_on_drop: false }`
[INFO] [stderr]     Checking tiny_lib v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]   --> src/trig.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use test::Bencher;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/trig.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ITERATIONS`
[INFO] [stdout]    --> src/trig.rs:107:2
[INFO] [stdout]     |
[INFO] [stdout] 107 |     const ITERATIONS:u32 = 1000;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `accumulate`
[INFO] [stdout]    --> src/trig.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn accumulate(f:fn(a:f32)->f32) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8661ad625ab90e192b876771c6209f1a713434051215c110ea85323559e43a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8661ad625ab90e192b876771c6209f1a713434051215c110ea85323559e43a5e", kill_on_drop: false }`
[INFO] [stdout] 8661ad625ab90e192b876771c6209f1a713434051215c110ea85323559e43a5e