[INFO] fetching crate voltpkg 0.1.0...
[INFO] checking voltpkg-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate voltpkg 0.1.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate voltpkg 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate voltpkg 0.1.0
[INFO] finished tweaking crates.io crate voltpkg 0.1.0
[INFO] tweaked toml for crates.io crate voltpkg 0.1.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate crates.io crate voltpkg 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0574c0ca43a33566bf34cceba6dd2f926608782be63f7e3261a04c3722bf3ec
[INFO] running `Command { std: "docker" "start" "-a" "a0574c0ca43a33566bf34cceba6dd2f926608782be63f7e3261a04c3722bf3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0574c0ca43a33566bf34cceba6dd2f926608782be63f7e3261a04c3722bf3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0574c0ca43a33566bf34cceba6dd2f926608782be63f7e3261a04c3722bf3ec", kill_on_drop: false }`
[INFO] [stdout] a0574c0ca43a33566bf34cceba6dd2f926608782be63f7e3261a04c3722bf3ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc2f541bb446ddcd17aad50177f9a7c5dc46ae017d24fa659b4a6c4b6557970e
[INFO] running `Command { std: "docker" "start" "-a" "cc2f541bb446ddcd17aad50177f9a7c5dc46ae017d24fa659b4a6c4b6557970e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking voltpkg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "cc2f541bb446ddcd17aad50177f9a7c5dc46ae017d24fa659b4a6c4b6557970e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2f541bb446ddcd17aad50177f9a7c5dc46ae017d24fa659b4a6c4b6557970e", kill_on_drop: false }`
[INFO] [stdout] cc2f541bb446ddcd17aad50177f9a7c5dc46ae017d24fa659b4a6c4b6557970e