[INFO] fetching crate b3sum 0.3.5...
[INFO] checking b3sum-0.3.5 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate b3sum 0.3.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate b3sum 0.3.5 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 b3sum 0.3.5
[INFO] finished tweaking crates.io crate b3sum 0.3.5
[INFO] tweaked toml for crates.io crate b3sum 0.3.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate b3sum 0.3.5 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7e8f32caeda0ad9df4a5d8675d04f8a3db39d7d4726c07460ecfcf0fd03892d4
[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" "7e8f32caeda0ad9df4a5d8675d04f8a3db39d7d4726c07460ecfcf0fd03892d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8f32caeda0ad9df4a5d8675d04f8a3db39d7d4726c07460ecfcf0fd03892d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8f32caeda0ad9df4a5d8675d04f8a3db39d7d4726c07460ecfcf0fd03892d4", kill_on_drop: false }`
[INFO] [stdout] 7e8f32caeda0ad9df4a5d8675d04f8a3db39d7d4726c07460ecfcf0fd03892d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] f7ddec7ed6b5ae09b0cd2832c4cdfab9171db85332ea4efc754e87aa5e0239e3
[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" "f7ddec7ed6b5ae09b0cd2832c4cdfab9171db85332ea4efc754e87aa5e0239e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling blake3 v0.3.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking b3sum v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "f7ddec7ed6b5ae09b0cd2832c4cdfab9171db85332ea4efc754e87aa5e0239e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ddec7ed6b5ae09b0cd2832c4cdfab9171db85332ea4efc754e87aa5e0239e3", kill_on_drop: false }`
[INFO] [stdout] f7ddec7ed6b5ae09b0cd2832c4cdfab9171db85332ea4efc754e87aa5e0239e3