[INFO] fetching crate filebox 0.1.0-beta.0...
[INFO] checking filebox-0.1.0-beta.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate filebox 0.1.0-beta.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate filebox 0.1.0-beta.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate filebox 0.1.0-beta.0
[INFO] finished tweaking crates.io crate filebox 0.1.0-beta.0
[INFO] tweaked toml for crates.io crate filebox 0.1.0-beta.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ead0a53f5bb4b61a2f1307b35f9647ecaae1929a83b4ce4d081296a912164d4
[INFO] running `Command { std: "docker" "start" "-a" "4ead0a53f5bb4b61a2f1307b35f9647ecaae1929a83b4ce4d081296a912164d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ead0a53f5bb4b61a2f1307b35f9647ecaae1929a83b4ce4d081296a912164d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ead0a53f5bb4b61a2f1307b35f9647ecaae1929a83b4ce4d081296a912164d4", kill_on_drop: false }`
[INFO] [stdout] 4ead0a53f5bb4b61a2f1307b35f9647ecaae1929a83b4ce4d081296a912164d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69c3470120927e30c8a4e088115d95f28158bb26745ca3a44d72ea245cf2d4ac
[INFO] running `Command { std: "docker" "start" "-a" "69c3470120927e30c8a4e088115d95f28158bb26745ca3a44d72ea245cf2d4ac", kill_on_drop: false }`
[INFO] [stderr]     Checking filebox v0.1.0-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "69c3470120927e30c8a4e088115d95f28158bb26745ca3a44d72ea245cf2d4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c3470120927e30c8a4e088115d95f28158bb26745ca3a44d72ea245cf2d4ac", kill_on_drop: false }`
[INFO] [stdout] 69c3470120927e30c8a4e088115d95f28158bb26745ca3a44d72ea245cf2d4ac