[INFO] fetching crate my-rust-app 0.1.55...
[INFO] building my-rust-app-0.1.55 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate my-rust-app 0.1.55 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate my-rust-app 0.1.55
[INFO] finished tweaking crates.io crate my-rust-app 0.1.55
[INFO] tweaked toml for crates.io crate my-rust-app 0.1.55 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate my-rust-app 0.1.55 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] crate crates.io crate my-rust-app 0.1.55 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a191ec6998f736781156bdabc230cb82ac349cd8a6b9a66bd03885f00d3be413
[INFO] running `Command { std: "docker" "start" "-a" "a191ec6998f736781156bdabc230cb82ac349cd8a6b9a66bd03885f00d3be413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a191ec6998f736781156bdabc230cb82ac349cd8a6b9a66bd03885f00d3be413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a191ec6998f736781156bdabc230cb82ac349cd8a6b9a66bd03885f00d3be413", kill_on_drop: false }`
[INFO] [stdout] a191ec6998f736781156bdabc230cb82ac349cd8a6b9a66bd03885f00d3be413
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d65878377d7dc30ee0df6bbb78c67e12072019ae27a4d8af897e189e1bb1256
[INFO] running `Command { std: "docker" "start" "-a" "1d65878377d7dc30ee0df6bbb78c67e12072019ae27a4d8af897e189e1bb1256", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-rust-app v0.1.55 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "1d65878377d7dc30ee0df6bbb78c67e12072019ae27a4d8af897e189e1bb1256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d65878377d7dc30ee0df6bbb78c67e12072019ae27a4d8af897e189e1bb1256", kill_on_drop: false }`
[INFO] [stdout] 1d65878377d7dc30ee0df6bbb78c67e12072019ae27a4d8af897e189e1bb1256
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85430eaf8d63a7d537e75ea5fef2e207de89576ff56a2d0c762ecea9c828c8dc
[INFO] running `Command { std: "docker" "start" "-a" "85430eaf8d63a7d537e75ea5fef2e207de89576ff56a2d0c762ecea9c828c8dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-rust-app v0.1.55 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "85430eaf8d63a7d537e75ea5fef2e207de89576ff56a2d0c762ecea9c828c8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85430eaf8d63a7d537e75ea5fef2e207de89576ff56a2d0c762ecea9c828c8dc", kill_on_drop: false }`
[INFO] [stdout] 85430eaf8d63a7d537e75ea5fef2e207de89576ff56a2d0c762ecea9c828c8dc