[INFO] fetching crate std_helper 0.1.0...
[INFO] building std_helper-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate std_helper 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate std_helper 0.1.0
[INFO] finished tweaking crates.io crate std_helper 0.1.0
[INFO] tweaked toml for crates.io crate std_helper 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate std_helper 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271e533d4d2cbe356dd6da82e536b537ae61f70fb5ee428392862ba39c0039c5
[INFO] running `Command { std: "docker" "start" "-a" "271e533d4d2cbe356dd6da82e536b537ae61f70fb5ee428392862ba39c0039c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271e533d4d2cbe356dd6da82e536b537ae61f70fb5ee428392862ba39c0039c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271e533d4d2cbe356dd6da82e536b537ae61f70fb5ee428392862ba39c0039c5", kill_on_drop: false }`
[INFO] [stdout] 271e533d4d2cbe356dd6da82e536b537ae61f70fb5ee428392862ba39c0039c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d2284dbb7a9933b98000dfef9e6c6fd6613ea79db839c3d8a718f753641fc9b
[INFO] running `Command { std: "docker" "start" "-a" "4d2284dbb7a9933b98000dfef9e6c6fd6613ea79db839c3d8a718f753641fc9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling std_helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4d2284dbb7a9933b98000dfef9e6c6fd6613ea79db839c3d8a718f753641fc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2284dbb7a9933b98000dfef9e6c6fd6613ea79db839c3d8a718f753641fc9b", kill_on_drop: false }`
[INFO] [stdout] 4d2284dbb7a9933b98000dfef9e6c6fd6613ea79db839c3d8a718f753641fc9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5b89d1a2328dd610ad36ce5d5d6ff2bcce6649b95cd585aef74721a0ee0753
[INFO] running `Command { std: "docker" "start" "-a" "4c5b89d1a2328dd610ad36ce5d5d6ff2bcce6649b95cd585aef74721a0ee0753", kill_on_drop: false }`
[INFO] [stderr]    Compiling std_helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4c5b89d1a2328dd610ad36ce5d5d6ff2bcce6649b95cd585aef74721a0ee0753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5b89d1a2328dd610ad36ce5d5d6ff2bcce6649b95cd585aef74721a0ee0753", kill_on_drop: false }`
[INFO] [stdout] 4c5b89d1a2328dd610ad36ce5d5d6ff2bcce6649b95cd585aef74721a0ee0753