[INFO] fetching crate simple-mutex 1.1.5...
[INFO] checking simple-mutex-1.1.5 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate simple-mutex 1.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple-mutex 1.1.5 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-mutex 1.1.5
[INFO] finished tweaking crates.io crate simple-mutex 1.1.5
[INFO] tweaked toml for crates.io crate simple-mutex 1.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate simple-mutex 1.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded event-listener v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 6fc43b44c1adc2d15a5c32aba09fc19176cfc58cecca5e7d5d775b067ce8a8e0
[INFO] running `Command { std: "docker" "start" "-a" "6fc43b44c1adc2d15a5c32aba09fc19176cfc58cecca5e7d5d775b067ce8a8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fc43b44c1adc2d15a5c32aba09fc19176cfc58cecca5e7d5d775b067ce8a8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc43b44c1adc2d15a5c32aba09fc19176cfc58cecca5e7d5d775b067ce8a8e0", kill_on_drop: false }`
[INFO] [stdout] 6fc43b44c1adc2d15a5c32aba09fc19176cfc58cecca5e7d5d775b067ce8a8e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 5dd8fa3eb92f7cedfba1abe26cf825318191dff286fcfe021a6ebc009b9c3d45
[INFO] running `Command { std: "docker" "start" "-a" "5dd8fa3eb92f7cedfba1abe26cf825318191dff286fcfe021a6ebc009b9c3d45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking event-listener v2.0.0
[INFO] [stderr]     Checking simple-mutex v1.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "5dd8fa3eb92f7cedfba1abe26cf825318191dff286fcfe021a6ebc009b9c3d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd8fa3eb92f7cedfba1abe26cf825318191dff286fcfe021a6ebc009b9c3d45", kill_on_drop: false }`
[INFO] [stdout] 5dd8fa3eb92f7cedfba1abe26cf825318191dff286fcfe021a6ebc009b9c3d45
