[INFO] fetching crate stringerror 0.1.2...
[INFO] building stringerror-0.1.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate stringerror 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate stringerror 0.1.2
[INFO] finished tweaking crates.io crate stringerror 0.1.2
[INFO] tweaked toml for crates.io crate stringerror 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stringerror 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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] fb50752289002bca9ef65336f4733b4cae891065ce4c9f12803a6457f3bade8e
[INFO] running `Command { std: "docker" "start" "-a" "fb50752289002bca9ef65336f4733b4cae891065ce4c9f12803a6457f3bade8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb50752289002bca9ef65336f4733b4cae891065ce4c9f12803a6457f3bade8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb50752289002bca9ef65336f4733b4cae891065ce4c9f12803a6457f3bade8e", kill_on_drop: false }`
[INFO] [stdout] fb50752289002bca9ef65336f4733b4cae891065ce4c9f12803a6457f3bade8e
[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] 62fbc418034439a408da9b40afa20f36a37944051c47a98a564f9d52fbe5afc0
[INFO] running `Command { std: "docker" "start" "-a" "62fbc418034439a408da9b40afa20f36a37944051c47a98a564f9d52fbe5afc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringerror v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "62fbc418034439a408da9b40afa20f36a37944051c47a98a564f9d52fbe5afc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fbc418034439a408da9b40afa20f36a37944051c47a98a564f9d52fbe5afc0", kill_on_drop: false }`
[INFO] [stdout] 62fbc418034439a408da9b40afa20f36a37944051c47a98a564f9d52fbe5afc0
[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] 58580ce4beb9bb7e41ae8a1b9be8aa32f2d7c0928eb16afe7cc45d571fec5f89
[INFO] running `Command { std: "docker" "start" "-a" "58580ce4beb9bb7e41ae8a1b9be8aa32f2d7c0928eb16afe7cc45d571fec5f89", kill_on_drop: false }`
[INFO] [stderr]    Compiling stringerror v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "58580ce4beb9bb7e41ae8a1b9be8aa32f2d7c0928eb16afe7cc45d571fec5f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58580ce4beb9bb7e41ae8a1b9be8aa32f2d7c0928eb16afe7cc45d571fec5f89", kill_on_drop: false }`
[INFO] [stdout] 58580ce4beb9bb7e41ae8a1b9be8aa32f2d7c0928eb16afe7cc45d571fec5f89