[INFO] fetching crate myumberwm 0.0.1...
[INFO] building myumberwm-0.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate myumberwm 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate myumberwm 0.0.1
[INFO] finished tweaking crates.io crate myumberwm 0.0.1
[INFO] tweaked toml for crates.io crate myumberwm 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate myumberwm 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 myumberwm 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.17
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded regex v1.3.7
[INFO] [stderr]   Downloaded umberwm v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9928621164a902202d7a27b55c8c7c4b0e7d8b7f7a3aa2cdce680bade4cba3a7
[INFO] running `Command { std: "docker" "start" "-a" "9928621164a902202d7a27b55c8c7c4b0e7d8b7f7a3aa2cdce680bade4cba3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9928621164a902202d7a27b55c8c7c4b0e7d8b7f7a3aa2cdce680bade4cba3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9928621164a902202d7a27b55c8c7c4b0e7d8b7f7a3aa2cdce680bade4cba3a7", kill_on_drop: false }`
[INFO] [stdout] 9928621164a902202d7a27b55c8c7c4b0e7d8b7f7a3aa2cdce680bade4cba3a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9766016e438127b54e2a8cce50d9e7cdda09ab805bec3ef349881a77fa477742
[INFO] running `Command { std: "docker" "start" "-a" "9766016e438127b54e2a8cce50d9e7cdda09ab805bec3ef349881a77fa477742", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling umberwm v0.0.1
[INFO] [stderr]    Compiling myumberwm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.43s
[INFO] running `Command { std: "docker" "inspect" "9766016e438127b54e2a8cce50d9e7cdda09ab805bec3ef349881a77fa477742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9766016e438127b54e2a8cce50d9e7cdda09ab805bec3ef349881a77fa477742", kill_on_drop: false }`
[INFO] [stdout] 9766016e438127b54e2a8cce50d9e7cdda09ab805bec3ef349881a77fa477742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f6bfc02fc093de021db455206fc4582ab095e38f2db66e124629318f2ebbc41f
[INFO] running `Command { std: "docker" "start" "-a" "f6bfc02fc093de021db455206fc4582ab095e38f2db66e124629318f2ebbc41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling myumberwm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "f6bfc02fc093de021db455206fc4582ab095e38f2db66e124629318f2ebbc41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bfc02fc093de021db455206fc4582ab095e38f2db66e124629318f2ebbc41f", kill_on_drop: false }`
[INFO] [stdout] f6bfc02fc093de021db455206fc4582ab095e38f2db66e124629318f2ebbc41f