[INFO] cloning repository https://github.com/alessandro90/bytecode_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alessandro90/bytecode_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falessandro90%2Fbytecode_calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falessandro90%2Fbytecode_calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55db7f849012ab3a05638e339c2408cea77d2b54
[INFO] checking alessandro90/bytecode_calculator against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falessandro90%2Fbytecode_calculator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alessandro90/bytecode_calculator
[INFO] finished tweaking git repo https://github.com/alessandro90/bytecode_calculator
[INFO] tweaked toml for git repo https://github.com/alessandro90/bytecode_calculator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alessandro90/bytecode_calculator on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alessandro90/bytecode_calculator 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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-code v3.2.0
[INFO] [stderr]   Downloaded clipboard-win v5.2.0
[INFO] [stderr]   Downloaded core-graphics v0.23.1
[INFO] [stderr]   Downloaded type-map v0.5.0
[INFO] [stderr]   Downloaded async-recursion v1.0.5
[INFO] [stderr]   Downloaded async-once-cell v0.5.3
[INFO] [stderr]   Downloaded arboard v3.3.2
[INFO] [stderr]   Downloaded polling v3.5.0
[INFO] [stderr]   Downloaded webbrowser v0.8.13
[INFO] [stderr]   Downloaded indexmap v2.2.5
[INFO] [stderr]   Downloaded wgpu v0.19.3
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded wgpu-core v0.19.3
[INFO] [stderr]   Downloaded wgpu-hal v0.19.3
[INFO] [stderr]   Downloaded winit v0.29.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88fecf74e5bdb53403f18194c22a9836385a1490aed615348bfd0d67a593a817
[INFO] running `Command { std: "docker" "start" "-a" "88fecf74e5bdb53403f18194c22a9836385a1490aed615348bfd0d67a593a817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88fecf74e5bdb53403f18194c22a9836385a1490aed615348bfd0d67a593a817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88fecf74e5bdb53403f18194c22a9836385a1490aed615348bfd0d67a593a817", kill_on_drop: false }`
[INFO] [stdout] 88fecf74e5bdb53403f18194c22a9836385a1490aed615348bfd0d67a593a817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3ea72ed3db803f1590de4142feee15dba2c910d8c0f7cebd109d4f79fb912ec
[INFO] running `Command { std: "docker" "start" "-a" "f3ea72ed3db803f1590de4142feee15dba2c910d8c0f7cebd109d4f79fb912ec", kill_on_drop: false }`
[INFO] [stderr]     Checking vm_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f3ea72ed3db803f1590de4142feee15dba2c910d8c0f7cebd109d4f79fb912ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ea72ed3db803f1590de4142feee15dba2c910d8c0f7cebd109d4f79fb912ec", kill_on_drop: false }`
[INFO] [stdout] f3ea72ed3db803f1590de4142feee15dba2c910d8c0f7cebd109d4f79fb912ec