[INFO] fetching crate vec-rac 0.4.2...
[INFO] checking vec-rac-0.4.2 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate vec-rac 0.4.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate vec-rac 0.4.2 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vec-rac 0.4.2
[INFO] finished tweaking crates.io crate vec-rac 0.4.2
[INFO] tweaked toml for crates.io crate vec-rac 0.4.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate vec-rac 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04edae9be0b4f90009494962246cd0fb268e58b727fa1df7bac3e257ff3cb645
[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" "04edae9be0b4f90009494962246cd0fb268e58b727fa1df7bac3e257ff3cb645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04edae9be0b4f90009494962246cd0fb268e58b727fa1df7bac3e257ff3cb645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04edae9be0b4f90009494962246cd0fb268e58b727fa1df7bac3e257ff3cb645", kill_on_drop: false }`
[INFO] [stdout] 04edae9be0b4f90009494962246cd0fb268e58b727fa1df7bac3e257ff3cb645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 6a3299d732d04bf61d6598d9042f81fc1528ea1d7cebe7e5e27e712c313bfb60
[INFO] running `Command { std: "docker" "start" "-a" "6a3299d732d04bf61d6598d9042f81fc1528ea1d7cebe7e5e27e712c313bfb60", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking vec-rac v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "6a3299d732d04bf61d6598d9042f81fc1528ea1d7cebe7e5e27e712c313bfb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3299d732d04bf61d6598d9042f81fc1528ea1d7cebe7e5e27e712c313bfb60", kill_on_drop: false }`
[INFO] [stdout] 6a3299d732d04bf61d6598d9042f81fc1528ea1d7cebe7e5e27e712c313bfb60