[INFO] fetching crate test2 0.1.1...
[INFO] building test2-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate test2 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate test2 0.1.1
[INFO] finished tweaking crates.io crate test2 0.1.1
[INFO] tweaked toml for crates.io crate test2 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate test2 0.1.1 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 test2 0.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fc6b3240ed031ddefca4df90b1f19752fbc6da4fdbf18783e051e2c7d866c6df
[INFO] running `Command { std: "docker" "start" "-a" "fc6b3240ed031ddefca4df90b1f19752fbc6da4fdbf18783e051e2c7d866c6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc6b3240ed031ddefca4df90b1f19752fbc6da4fdbf18783e051e2c7d866c6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6b3240ed031ddefca4df90b1f19752fbc6da4fdbf18783e051e2c7d866c6df", kill_on_drop: false }`
[INFO] [stdout] fc6b3240ed031ddefca4df90b1f19752fbc6da4fdbf18783e051e2c7d866c6df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0d222fa335ce63758b8c745a07c939e9fe61478b9ea5c6eadb628029d7ca70ed
[INFO] running `Command { std: "docker" "start" "-a" "0d222fa335ce63758b8c745a07c939e9fe61478b9ea5c6eadb628029d7ca70ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling test2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `Command { std: "docker" "inspect" "0d222fa335ce63758b8c745a07c939e9fe61478b9ea5c6eadb628029d7ca70ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d222fa335ce63758b8c745a07c939e9fe61478b9ea5c6eadb628029d7ca70ed", kill_on_drop: false }`
[INFO] [stdout] 0d222fa335ce63758b8c745a07c939e9fe61478b9ea5c6eadb628029d7ca70ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e4e913d22185c8741a3cf3c59dacc00b957018b4b257ca6e6740882aca10a9eb
[INFO] running `Command { std: "docker" "start" "-a" "e4e913d22185c8741a3cf3c59dacc00b957018b4b257ca6e6740882aca10a9eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling test2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e4e913d22185c8741a3cf3c59dacc00b957018b4b257ca6e6740882aca10a9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e913d22185c8741a3cf3c59dacc00b957018b4b257ca6e6740882aca10a9eb", kill_on_drop: false }`
[INFO] [stdout] e4e913d22185c8741a3cf3c59dacc00b957018b4b257ca6e6740882aca10a9eb