[INFO] fetching crate volans-codec 0.2.1...
[INFO] checking volans-codec-0.2.1 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate volans-codec 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate volans-codec 0.2.1
[INFO] finished tweaking crates.io crate volans-codec 0.2.1
[INFO] tweaked toml for crates.io crate volans-codec 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate volans-codec 0.2.1 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate volans-codec 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "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 asynchronous-codec v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bb6a2c7e32a5518a22e105196b2dfcfb6e002e809a7110fcb601172e036f907
[INFO] running `Command { std: "docker" "start" "-a" "3bb6a2c7e32a5518a22e105196b2dfcfb6e002e809a7110fcb601172e036f907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bb6a2c7e32a5518a22e105196b2dfcfb6e002e809a7110fcb601172e036f907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb6a2c7e32a5518a22e105196b2dfcfb6e002e809a7110fcb601172e036f907", kill_on_drop: false }`
[INFO] [stdout] 3bb6a2c7e32a5518a22e105196b2dfcfb6e002e809a7110fcb601172e036f907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81d8c3612f17b64a7337f807838aa768469436f20672189e16f7f33241c55d13
[INFO] running `Command { std: "docker" "start" "-a" "81d8c3612f17b64a7337f807838aa768469436f20672189e16f7f33241c55d13", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking prost v0.14.1
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking volans-codec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "81d8c3612f17b64a7337f807838aa768469436f20672189e16f7f33241c55d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d8c3612f17b64a7337f807838aa768469436f20672189e16f7f33241c55d13", kill_on_drop: false }`
[INFO] [stdout] 81d8c3612f17b64a7337f807838aa768469436f20672189e16f7f33241c55d13