[INFO] fetching crate pipenet 0.2.1...
[INFO] checking pipenet-0.2.1 against master#2b112efcccf831c0e0fbaa6470047c7067f12801 for pr-150727-1
[INFO] extracting crate pipenet 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pipenet 0.2.1
[INFO] finished tweaking crates.io crate pipenet 0.2.1
[INFO] tweaked toml for crates.io crate pipenet 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pipenet 0.2.1 on toolchain 2b112efcccf831c0e0fbaa6470047c7067f12801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pipenet 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded opaque-debug v0.3.1
[INFO] [stderr]   Downloaded universal-hash v0.5.1
[INFO] [stderr]   Downloaded windows-link v0.2.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.17
[INFO] [stderr]   Downloaded aead v0.5.2
[INFO] [stderr]   Downloaded crypto-common v0.1.7
[INFO] [stderr]   Downloaded inout v0.1.4
[INFO] [stderr]   Downloaded lz4-compression v0.7.0
[INFO] [stderr]   Downloaded version_check v0.9.5
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded chacha20 v0.9.1
[INFO] [stderr]   Downloaded byteorder v1.5.0
[INFO] [stderr]   Downloaded cipher v0.4.4
[INFO] [stderr]   Downloaded chacha20poly1305 v0.10.1
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded typenum v1.19.0
[INFO] [stderr]   Downloaded poly1305 v0.8.0
[INFO] [stderr]   Downloaded getrandom v0.2.16
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded aho-corasick v1.1.4
[INFO] [stderr]   Downloaded regex v1.12.2
[INFO] [stderr]   Downloaded regex-syntax v0.8.8
[INFO] [stderr]   Downloaded regex-automata v0.4.13
[INFO] [stderr]   Downloaded windows-sys v0.61.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb920bf87f3bdfefaa798978e64a359f0158c151b2f2c6e1ff20d1b2bd995227
[INFO] running `Command { std: "docker" "start" "-a" "fb920bf87f3bdfefaa798978e64a359f0158c151b2f2c6e1ff20d1b2bd995227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb920bf87f3bdfefaa798978e64a359f0158c151b2f2c6e1ff20d1b2bd995227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb920bf87f3bdfefaa798978e64a359f0158c151b2f2c6e1ff20d1b2bd995227", kill_on_drop: false }`
[INFO] [stdout] fb920bf87f3bdfefaa798978e64a359f0158c151b2f2c6e1ff20d1b2bd995227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7721789e1eb4e906b7ab3f5e70ed1de50ee95b2ac5beb51fed4d9d097f231ed
[INFO] running `Command { std: "docker" "start" "-a" "f7721789e1eb4e906b7ab3f5e70ed1de50ee95b2ac5beb51fed4d9d097f231ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pipenet v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "f7721789e1eb4e906b7ab3f5e70ed1de50ee95b2ac5beb51fed4d9d097f231ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7721789e1eb4e906b7ab3f5e70ed1de50ee95b2ac5beb51fed4d9d097f231ed", kill_on_drop: false }`
[INFO] [stdout] f7721789e1eb4e906b7ab3f5e70ed1de50ee95b2ac5beb51fed4d9d097f231ed