[INFO] fetching crate a4 0.0.4...
[INFO] checking a4-0.0.4 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate a4 0.0.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate a4 0.0.4 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a4 0.0.4
[INFO] finished tweaking crates.io crate a4 0.0.4
[INFO] tweaked toml for crates.io crate a4 0.0.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate a4 0.0.4 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.130
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded rzcobs v0.1.2
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded a4-core v0.0.4
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded heapless v0.7.8
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded postcard v0.7.2
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.18
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded kolben v0.0.3
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded rcobs v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b50832e88a910796f7ae1829dd14410f87efef34f874cc3dbdacd9778d3be13
[INFO] running `Command { std: "docker" "start" "-a" "1b50832e88a910796f7ae1829dd14410f87efef34f874cc3dbdacd9778d3be13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b50832e88a910796f7ae1829dd14410f87efef34f874cc3dbdacd9778d3be13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b50832e88a910796f7ae1829dd14410f87efef34f874cc3dbdacd9778d3be13", kill_on_drop: false }`
[INFO] [stdout] 1b50832e88a910796f7ae1829dd14410f87efef34f874cc3dbdacd9778d3be13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9fdd1d9da47f0a8877f302a1ec6fa16126f1c2c8584deef4217178d892cb1c2
[INFO] running `Command { std: "docker" "start" "-a" "a9fdd1d9da47f0a8877f302a1ec6fa16126f1c2c8584deef4217178d892cb1c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rcobs v0.1.1
[INFO] [stderr]     Checking rzcobs v0.1.2
[INFO] [stderr]     Checking kolben v0.0.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking postcard v0.7.2
[INFO] [stderr]     Checking a4-core v0.0.4
[INFO] [stderr]     Checking a4 v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "a9fdd1d9da47f0a8877f302a1ec6fa16126f1c2c8584deef4217178d892cb1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fdd1d9da47f0a8877f302a1ec6fa16126f1c2c8584deef4217178d892cb1c2", kill_on_drop: false }`
[INFO] [stdout] a9fdd1d9da47f0a8877f302a1ec6fa16126f1c2c8584deef4217178d892cb1c2
