[INFO] fetching crate uni_rc_lock 0.2.0...
[INFO] building uni_rc_lock-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate uni_rc_lock 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate uni_rc_lock 0.2.0
[INFO] finished tweaking crates.io crate uni_rc_lock 0.2.0
[INFO] tweaked toml for crates.io crate uni_rc_lock 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uni_rc_lock 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e0b28a954940a15392717664868a3b6e336373bd928ac0e71d959a942db6b8ee
[INFO] running `Command { std: "docker" "start" "-a" "e0b28a954940a15392717664868a3b6e336373bd928ac0e71d959a942db6b8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b28a954940a15392717664868a3b6e336373bd928ac0e71d959a942db6b8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b28a954940a15392717664868a3b6e336373bd928ac0e71d959a942db6b8ee", kill_on_drop: false }`
[INFO] [stdout] e0b28a954940a15392717664868a3b6e336373bd928ac0e71d959a942db6b8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 29bede0504fb6fae95fc106bb52d56552e2202b058e06269f86f1a219b7be0ef
[INFO] running `Command { std: "docker" "start" "-a" "29bede0504fb6fae95fc106bb52d56552e2202b058e06269f86f1a219b7be0ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling uni_rc_lock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "29bede0504fb6fae95fc106bb52d56552e2202b058e06269f86f1a219b7be0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bede0504fb6fae95fc106bb52d56552e2202b058e06269f86f1a219b7be0ef", kill_on_drop: false }`
[INFO] [stdout] 29bede0504fb6fae95fc106bb52d56552e2202b058e06269f86f1a219b7be0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5c789e434ff805affd02a1569ef7ca14ff3f71363c29ae8371641d86d80c5a0d
[INFO] running `Command { std: "docker" "start" "-a" "5c789e434ff805affd02a1569ef7ca14ff3f71363c29ae8371641d86d80c5a0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling uni_rc_lock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "5c789e434ff805affd02a1569ef7ca14ff3f71363c29ae8371641d86d80c5a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c789e434ff805affd02a1569ef7ca14ff3f71363c29ae8371641d86d80c5a0d", kill_on_drop: false }`
[INFO] [stdout] 5c789e434ff805affd02a1569ef7ca14ff3f71363c29ae8371641d86d80c5a0d