[INFO] fetching crate simplers_optimization 0.4.2...
[INFO] checking simplers_optimization-0.4.2 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate simplers_optimization 0.4.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.2 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simplers_optimization 0.4.2
[INFO] finished tweaking crates.io crate simplers_optimization 0.4.2
[INFO] tweaked toml for crates.io crate simplers_optimization 0.4.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate simplers_optimization 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 7afce6bb4de64e6ab6207638ab4d641c9b1f9c7bb0e5d6dd2c76f1c7f94d1dd5
[INFO] running `Command { std: "docker" "start" "-a" "7afce6bb4de64e6ab6207638ab4d641c9b1f9c7bb0e5d6dd2c76f1c7f94d1dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7afce6bb4de64e6ab6207638ab4d641c9b1f9c7bb0e5d6dd2c76f1c7f94d1dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afce6bb4de64e6ab6207638ab4d641c9b1f9c7bb0e5d6dd2c76f1c7f94d1dd5", kill_on_drop: false }`
[INFO] [stdout] 7afce6bb4de64e6ab6207638ab4d641c9b1f9c7bb0e5d6dd2c76f1c7f94d1dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae89532a70149dfaebcca6ce26ceed0d0a98a5968b3403333efd71d8582212a
[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" "0ae89532a70149dfaebcca6ce26ceed0d0a98a5968b3403333efd71d8582212a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling priority-queue v1.0.1
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]     Checking simplers_optimization v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "0ae89532a70149dfaebcca6ce26ceed0d0a98a5968b3403333efd71d8582212a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae89532a70149dfaebcca6ce26ceed0d0a98a5968b3403333efd71d8582212a", kill_on_drop: false }`
[INFO] [stdout] 0ae89532a70149dfaebcca6ce26ceed0d0a98a5968b3403333efd71d8582212a