[INFO] crate dudect-bencher 0.4.1 is already in cache
[INFO] checking dudect-bencher-0.4.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate dudect-bencher 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dudect-bencher 0.4.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dudect-bencher 0.4.1
[INFO] finished tweaking crates.io crate dudect-bencher 0.4.1
[INFO] tweaked toml for crates.io crate dudect-bencher 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate dudect-bencher 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a869b7a5c1a03259c6aa68728833fc531f7eff98896e0d1eaa51d9b619e5c3
[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" "84a869b7a5c1a03259c6aa68728833fc531f7eff98896e0d1eaa51d9b619e5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a869b7a5c1a03259c6aa68728833fc531f7eff98896e0d1eaa51d9b619e5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a869b7a5c1a03259c6aa68728833fc531f7eff98896e0d1eaa51d9b619e5c3", kill_on_drop: false }`
[INFO] [stdout] 84a869b7a5c1a03259c6aa68728833fc531f7eff98896e0d1eaa51d9b619e5c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73212d342ceaa63a5aa89a71b0c3f5c6015dc8d43478c0d7db05d639c3d914ab
[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" "73212d342ceaa63a5aa89a71b0c3f5c6015dc8d43478c0d7db05d639c3d914ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking dudect-bencher v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.53s
[INFO] running `Command { std: "docker" "inspect" "73212d342ceaa63a5aa89a71b0c3f5c6015dc8d43478c0d7db05d639c3d914ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73212d342ceaa63a5aa89a71b0c3f5c6015dc8d43478c0d7db05d639c3d914ab", kill_on_drop: false }`
[INFO] [stdout] 73212d342ceaa63a5aa89a71b0c3f5c6015dc8d43478c0d7db05d639c3d914ab