[INFO] fetching crate modestwang 0.0.1...
[INFO] building modestwang-0.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate modestwang 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate modestwang 0.0.1
[INFO] finished tweaking crates.io crate modestwang 0.0.1
[INFO] tweaked toml for crates.io crate modestwang 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modestwang 0.0.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modestwang 0.0.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 677f1a8a1dd87543cce940528fe9ced45dad325efdb28e07b5bbc3294428af51
[INFO] running `Command { std: "docker" "start" "-a" "677f1a8a1dd87543cce940528fe9ced45dad325efdb28e07b5bbc3294428af51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "677f1a8a1dd87543cce940528fe9ced45dad325efdb28e07b5bbc3294428af51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677f1a8a1dd87543cce940528fe9ced45dad325efdb28e07b5bbc3294428af51", kill_on_drop: false }`
[INFO] [stdout] 677f1a8a1dd87543cce940528fe9ced45dad325efdb28e07b5bbc3294428af51
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5adc70ca7f5b933f3814d20831eb9e241d7d3b3dea48459a75c98ee1e86610e0
[INFO] running `Command { std: "docker" "start" "-a" "5adc70ca7f5b933f3814d20831eb9e241d7d3b3dea48459a75c98ee1e86610e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling modestwang v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5adc70ca7f5b933f3814d20831eb9e241d7d3b3dea48459a75c98ee1e86610e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5adc70ca7f5b933f3814d20831eb9e241d7d3b3dea48459a75c98ee1e86610e0", kill_on_drop: false }`
[INFO] [stdout] 5adc70ca7f5b933f3814d20831eb9e241d7d3b3dea48459a75c98ee1e86610e0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b86c92556133962dbc7e9835e1572d301c5d22e5c15dd2df0ac8b952f4ddf58
[INFO] running `Command { std: "docker" "start" "-a" "9b86c92556133962dbc7e9835e1572d301c5d22e5c15dd2df0ac8b952f4ddf58", kill_on_drop: false }`
[INFO] [stderr]    Compiling modestwang v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9b86c92556133962dbc7e9835e1572d301c5d22e5c15dd2df0ac8b952f4ddf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b86c92556133962dbc7e9835e1572d301c5d22e5c15dd2df0ac8b952f4ddf58", kill_on_drop: false }`
[INFO] [stdout] 9b86c92556133962dbc7e9835e1572d301c5d22e5c15dd2df0ac8b952f4ddf58