[INFO] fetching crate tree_magic 0.2.3...
[INFO] checking tree_magic-0.2.3 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate tree_magic 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tree_magic 0.2.3 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree_magic 0.2.3
[INFO] finished tweaking crates.io crate tree_magic 0.2.3
[INFO] tweaked toml for crates.io crate tree_magic 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate tree_magic 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a3a514ee2f30120e80040437d448ce77109300b84713c76999fa9b11502583
[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" "f2a3a514ee2f30120e80040437d448ce77109300b84713c76999fa9b11502583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a3a514ee2f30120e80040437d448ce77109300b84713c76999fa9b11502583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a3a514ee2f30120e80040437d448ce77109300b84713c76999fa9b11502583", kill_on_drop: false }`
[INFO] [stdout] f2a3a514ee2f30120e80040437d448ce77109300b84713c76999fa9b11502583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 53f91c0094e0a16169cad4c42a70bca60f4d12d7017f2607c9e58b85047ac9e0
[INFO] running `Command { std: "docker" "start" "-a" "53f91c0094e0a16169cad4c42a70bca60f4d12d7017f2607c9e58b85047ac9e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking tree_magic v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "53f91c0094e0a16169cad4c42a70bca60f4d12d7017f2607c9e58b85047ac9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f91c0094e0a16169cad4c42a70bca60f4d12d7017f2607c9e58b85047ac9e0", kill_on_drop: false }`
[INFO] [stdout] 53f91c0094e0a16169cad4c42a70bca60f4d12d7017f2607c9e58b85047ac9e0