[INFO] fetching crate twox-hash 1.6.0...
[INFO] checking twox-hash-1.6.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate twox-hash 1.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate twox-hash 1.6.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twox-hash 1.6.0
[INFO] finished tweaking crates.io crate twox-hash 1.6.0
[INFO] tweaked toml for crates.io crate twox-hash 1.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate twox-hash 1.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06454af7d55769e8843e023ffc7a08fd79e0bef61cdb34d8b9c1940aa8f77390
[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" "06454af7d55769e8843e023ffc7a08fd79e0bef61cdb34d8b9c1940aa8f77390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06454af7d55769e8843e023ffc7a08fd79e0bef61cdb34d8b9c1940aa8f77390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06454af7d55769e8843e023ffc7a08fd79e0bef61cdb34d8b9c1940aa8f77390", kill_on_drop: false }`
[INFO] [stdout] 06454af7d55769e8843e023ffc7a08fd79e0bef61cdb34d8b9c1940aa8f77390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8254ceaf0aa6830f9a0c29557e7133c1b094a622b1a086923653dfd650407b2
[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" "b8254ceaf0aa6830f9a0c29557e7133c1b094a622b1a086923653dfd650407b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking twox-hash v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/sixty_four.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/thirty_two.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/sixty_four.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/thirty_two.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "b8254ceaf0aa6830f9a0c29557e7133c1b094a622b1a086923653dfd650407b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8254ceaf0aa6830f9a0c29557e7133c1b094a622b1a086923653dfd650407b2", kill_on_drop: false }`
[INFO] [stdout] b8254ceaf0aa6830f9a0c29557e7133c1b094a622b1a086923653dfd650407b2