[INFO] fetching crate gtars 0.5.0...
[INFO] building gtars-0.5.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate gtars 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate gtars 0.5.0
[INFO] finished tweaking crates.io crate gtars 0.5.0
[INFO] tweaked toml for crates.io crate gtars 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gtars 0.5.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gtars 0.5.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2962f595c806aad09bda151a18612b5088dbbe0267261b7492ef19b4dc33ba32
[INFO] running `Command { std: "docker" "start" "-a" "2962f595c806aad09bda151a18612b5088dbbe0267261b7492ef19b4dc33ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2962f595c806aad09bda151a18612b5088dbbe0267261b7492ef19b4dc33ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2962f595c806aad09bda151a18612b5088dbbe0267261b7492ef19b4dc33ba32", kill_on_drop: false }`
[INFO] [stdout] 2962f595c806aad09bda151a18612b5088dbbe0267261b7492ef19b4dc33ba32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee61c330413365a06cbaced7429f140d512d7304af5e50e7aab6e8221471cfb9
[INFO] running `Command { std: "docker" "start" "-a" "ee61c330413365a06cbaced7429f140d512d7304af5e50e7aab6e8221471cfb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling gtars v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "ee61c330413365a06cbaced7429f140d512d7304af5e50e7aab6e8221471cfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee61c330413365a06cbaced7429f140d512d7304af5e50e7aab6e8221471cfb9", kill_on_drop: false }`
[INFO] [stdout] ee61c330413365a06cbaced7429f140d512d7304af5e50e7aab6e8221471cfb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ea9b8d1a3abd692cadf9ca369dfe6fd679b879ca3613858c250f95f5df3248b
[INFO] running `Command { std: "docker" "start" "-a" "9ea9b8d1a3abd692cadf9ca369dfe6fd679b879ca3613858c250f95f5df3248b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gtars v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "9ea9b8d1a3abd692cadf9ca369dfe6fd679b879ca3613858c250f95f5df3248b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea9b8d1a3abd692cadf9ca369dfe6fd679b879ca3613858c250f95f5df3248b", kill_on_drop: false }`
[INFO] [stdout] 9ea9b8d1a3abd692cadf9ca369dfe6fd679b879ca3613858c250f95f5df3248b