[INFO] fetching crate virtual-machine 0.0.0...
[INFO] checking virtual-machine-0.0.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate virtual-machine 0.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate virtual-machine 0.0.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virtual-machine 0.0.0
[INFO] finished tweaking crates.io crate virtual-machine 0.0.0
[INFO] tweaked toml for crates.io crate virtual-machine 0.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate virtual-machine 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93e2bd0e00b416c04165897b480bc2769b731cc7d4bcc50587a9c1d67703301d
[INFO] running `Command { std: "docker" "start" "-a" "93e2bd0e00b416c04165897b480bc2769b731cc7d4bcc50587a9c1d67703301d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93e2bd0e00b416c04165897b480bc2769b731cc7d4bcc50587a9c1d67703301d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e2bd0e00b416c04165897b480bc2769b731cc7d4bcc50587a9c1d67703301d", kill_on_drop: false }`
[INFO] [stdout] 93e2bd0e00b416c04165897b480bc2769b731cc7d4bcc50587a9c1d67703301d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e9018f38b7391f7d1b72424e1eb3a72c99a942e19dcf845035157b7a73afb9
[INFO] running `Command { std: "docker" "start" "-a" "15e9018f38b7391f7d1b72424e1eb3a72c99a942e19dcf845035157b7a73afb9", kill_on_drop: false }`
[INFO] [stderr]     Checking virtual-machine v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "15e9018f38b7391f7d1b72424e1eb3a72c99a942e19dcf845035157b7a73afb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e9018f38b7391f7d1b72424e1eb3a72c99a942e19dcf845035157b7a73afb9", kill_on_drop: false }`
[INFO] [stdout] 15e9018f38b7391f7d1b72424e1eb3a72c99a942e19dcf845035157b7a73afb9