[INFO] fetching crate b3sum 0.3.7...
[INFO] checking b3sum-0.3.7 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate b3sum 0.3.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate b3sum 0.3.7 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate b3sum 0.3.7
[INFO] finished tweaking crates.io crate b3sum 0.3.7
[INFO] tweaked toml for crates.io crate b3sum 0.3.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate b3sum 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded duct v0.13.4
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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] e7a8e5b9d36d5b42e0efbaad5024a6704a77fdbabacd33bee4a71d272a323182
[INFO] running `Command { std: "docker" "start" "-a" "e7a8e5b9d36d5b42e0efbaad5024a6704a77fdbabacd33bee4a71d272a323182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7a8e5b9d36d5b42e0efbaad5024a6704a77fdbabacd33bee4a71d272a323182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a8e5b9d36d5b42e0efbaad5024a6704a77fdbabacd33bee4a71d272a323182", kill_on_drop: false }`
[INFO] [stdout] e7a8e5b9d36d5b42e0efbaad5024a6704a77fdbabacd33bee4a71d272a323182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd89eff3cd0acc154a70f5d8bb4d53d6e2ee85301eef0be0a48c82a3a3935263
[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" "cd89eff3cd0acc154a70f5d8bb4d53d6e2ee85301eef0be0a48c82a3a3935263", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling blake3 v0.3.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking b3sum v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "cd89eff3cd0acc154a70f5d8bb4d53d6e2ee85301eef0be0a48c82a3a3935263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd89eff3cd0acc154a70f5d8bb4d53d6e2ee85301eef0be0a48c82a3a3935263", kill_on_drop: false }`
[INFO] [stdout] cd89eff3cd0acc154a70f5d8bb4d53d6e2ee85301eef0be0a48c82a3a3935263