[INFO] fetching crate iref-enum 1.2.0...
[INFO] building iref-enum-1.2.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate iref-enum 1.2.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate iref-enum 1.2.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iref-enum 1.2.0
[INFO] finished tweaking crates.io crate iref-enum 1.2.0
[INFO] tweaked toml for crates.io crate iref-enum 1.2.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate iref-enum 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ec683e238a9fcd81ffbb481a68362e087eacb7911144a58106a4aea7352263a
[INFO] running `Command { std: "docker" "start" "-a" "1ec683e238a9fcd81ffbb481a68362e087eacb7911144a58106a4aea7352263a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec683e238a9fcd81ffbb481a68362e087eacb7911144a58106a4aea7352263a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec683e238a9fcd81ffbb481a68362e087eacb7911144a58106a4aea7352263a", kill_on_drop: false }`
[INFO] [stdout] 1ec683e238a9fcd81ffbb481a68362e087eacb7911144a58106a4aea7352263a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c5ced4824fbb14b591b74907dcab3d2624c22abfb0d29a9b0e10ee0af90deb1
[INFO] running `Command { std: "docker" "start" "-a" "5c5ced4824fbb14b591b74907dcab3d2624c22abfb0d29a9b0e10ee0af90deb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling pct-str v1.1.0
[INFO] [stderr]    Compiling iref v1.4.0
[INFO] [stderr]    Compiling iref-enum v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "5c5ced4824fbb14b591b74907dcab3d2624c22abfb0d29a9b0e10ee0af90deb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5ced4824fbb14b591b74907dcab3d2624c22abfb0d29a9b0e10ee0af90deb1", kill_on_drop: false }`
[INFO] [stdout] 5c5ced4824fbb14b591b74907dcab3d2624c22abfb0d29a9b0e10ee0af90deb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a724fa18817ec58080bf5e1195f79177c1b279cf1c5bad4c14a87c858e270c8
[INFO] running `Command { std: "docker" "start" "-a" "6a724fa18817ec58080bf5e1195f79177c1b279cf1c5bad4c14a87c858e270c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling static-iref v1.0.0
[INFO] [stderr]    Compiling iref-enum v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "6a724fa18817ec58080bf5e1195f79177c1b279cf1c5bad4c14a87c858e270c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a724fa18817ec58080bf5e1195f79177c1b279cf1c5bad4c14a87c858e270c8", kill_on_drop: false }`
[INFO] [stdout] 6a724fa18817ec58080bf5e1195f79177c1b279cf1c5bad4c14a87c858e270c8