[INFO] fetching crate the_rock 0.4.0...
[INFO] checking the_rock-0.4.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate the_rock 0.4.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate the_rock 0.4.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate the_rock 0.4.0
[INFO] finished tweaking crates.io crate the_rock 0.4.0
[INFO] tweaked toml for crates.io crate the_rock 0.4.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate the_rock 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 585a2d82951f9cee7f862cecbefa3eeafc11e25880d1c8f4471d23f437098499
[INFO] running `Command { std: "docker" "start" "-a" "585a2d82951f9cee7f862cecbefa3eeafc11e25880d1c8f4471d23f437098499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "585a2d82951f9cee7f862cecbefa3eeafc11e25880d1c8f4471d23f437098499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585a2d82951f9cee7f862cecbefa3eeafc11e25880d1c8f4471d23f437098499", kill_on_drop: false }`
[INFO] [stdout] 585a2d82951f9cee7f862cecbefa3eeafc11e25880d1c8f4471d23f437098499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af1603e367aa9a7e3bdbaca3901dbeb84f7bd5ff74971cdb173a40e64a872ef4
[INFO] running `Command { std: "docker" "start" "-a" "af1603e367aa9a7e3bdbaca3901dbeb84f7bd5ff74971cdb173a40e64a872ef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]    Compiling signal-hook v0.3.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking rust-utils v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling the_rock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Command`, `Stdio`, `path`
[INFO] [stdout]  --> build.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, env, path, process::{Command,Stdio}};
[INFO] [stdout]   |                    ^^^^            ^^^^^^^ ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]     Checking wasmer_enumset v1.0.1
[INFO] [stderr]     Checking cursive_core v0.2.2
[INFO] [stderr]     Checking cursive v0.16.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.95s
[INFO] running `Command { std: "docker" "inspect" "af1603e367aa9a7e3bdbaca3901dbeb84f7bd5ff74971cdb173a40e64a872ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1603e367aa9a7e3bdbaca3901dbeb84f7bd5ff74971cdb173a40e64a872ef4", kill_on_drop: false }`
[INFO] [stdout] af1603e367aa9a7e3bdbaca3901dbeb84f7bd5ff74971cdb173a40e64a872ef4