[INFO] fetching crate mextk 0.1.0...
[INFO] checking mextk-0.1.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate mextk 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mextk 0.1.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mextk 0.1.0
[INFO] finished tweaking crates.io crate mextk 0.1.0
[INFO] tweaked toml for crates.io crate mextk 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", 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] 758b8f2ef542174c586e7e2199829dc0623433af64bc33512a1242569b287578
[INFO] running `Command { std: "docker" "start" "-a" "758b8f2ef542174c586e7e2199829dc0623433af64bc33512a1242569b287578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "758b8f2ef542174c586e7e2199829dc0623433af64bc33512a1242569b287578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758b8f2ef542174c586e7e2199829dc0623433af64bc33512a1242569b287578", kill_on_drop: false }`
[INFO] [stdout] 758b8f2ef542174c586e7e2199829dc0623433af64bc33512a1242569b287578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade80f51674e54d12644e25dab12c81198680a1ebd45bb10412d43e4e4624f9f
[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" "ade80f51674e54d12644e25dab12c81198680a1ebd45bb10412d43e4e4624f9f", kill_on_drop: false }`
[INFO] [stderr]     Checking mextk-libc v0.1.0
[INFO] [stderr]     Checking mextk-sys v0.1.0
[INFO] [stderr]     Checking mextk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `Command { std: "docker" "inspect" "ade80f51674e54d12644e25dab12c81198680a1ebd45bb10412d43e4e4624f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade80f51674e54d12644e25dab12c81198680a1ebd45bb10412d43e4e4624f9f", kill_on_drop: false }`
[INFO] [stdout] ade80f51674e54d12644e25dab12c81198680a1ebd45bb10412d43e4e4624f9f