[INFO] fetching crate thawing 0.1.0...
[INFO] building thawing-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate thawing 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate thawing 0.1.0
[INFO] finished tweaking crates.io crate thawing 0.1.0
[INFO] tweaked toml for crates.io crate thawing 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate thawing 0.1.0 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 thawing 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2b7d571ec38b59dc1590c4fa07dd1cdc32b99bc03f459debf77621a385a07b55
[INFO] running `Command { std: "docker" "start" "-a" "2b7d571ec38b59dc1590c4fa07dd1cdc32b99bc03f459debf77621a385a07b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b7d571ec38b59dc1590c4fa07dd1cdc32b99bc03f459debf77621a385a07b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7d571ec38b59dc1590c4fa07dd1cdc32b99bc03f459debf77621a385a07b55", kill_on_drop: false }`
[INFO] [stdout] 2b7d571ec38b59dc1590c4fa07dd1cdc32b99bc03f459debf77621a385a07b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2e0bd4bfd636f1d2398906ff6425ed61b6a37176a8df70345db8298ef0d55359
[INFO] running `Command { std: "docker" "start" "-a" "2e0bd4bfd636f1d2398906ff6425ed61b6a37176a8df70345db8298ef0d55359", kill_on_drop: false }`
[INFO] [stderr]    Compiling thawing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "2e0bd4bfd636f1d2398906ff6425ed61b6a37176a8df70345db8298ef0d55359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0bd4bfd636f1d2398906ff6425ed61b6a37176a8df70345db8298ef0d55359", kill_on_drop: false }`
[INFO] [stdout] 2e0bd4bfd636f1d2398906ff6425ed61b6a37176a8df70345db8298ef0d55359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 53feb096f4f39fef4df5aa9987367bab3559ddb255e3a84a11035e02d7e9b0bb
[INFO] running `Command { std: "docker" "start" "-a" "53feb096f4f39fef4df5aa9987367bab3559ddb255e3a84a11035e02d7e9b0bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling thawing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "53feb096f4f39fef4df5aa9987367bab3559ddb255e3a84a11035e02d7e9b0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53feb096f4f39fef4df5aa9987367bab3559ddb255e3a84a11035e02d7e9b0bb", kill_on_drop: false }`
[INFO] [stdout] 53feb096f4f39fef4df5aa9987367bab3559ddb255e3a84a11035e02d7e9b0bb