[INFO] fetching crate flex-error 0.4.2...
[INFO] building flex-error-0.4.2 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate flex-error 0.4.2 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate flex-error 0.4.2 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 flex-error 0.4.2
[INFO] finished tweaking crates.io crate flex-error 0.4.2
[INFO] tweaked toml for crates.io crate flex-error 0.4.2 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] b4cdf9f6fe6f834d5e3ed81676684f7ebd3ccb91ab240740a9f29024bba8566d
[INFO] running `Command { std: "docker" "start" "-a" "b4cdf9f6fe6f834d5e3ed81676684f7ebd3ccb91ab240740a9f29024bba8566d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4cdf9f6fe6f834d5e3ed81676684f7ebd3ccb91ab240740a9f29024bba8566d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cdf9f6fe6f834d5e3ed81676684f7ebd3ccb91ab240740a9f29024bba8566d", kill_on_drop: false }`
[INFO] [stdout] b4cdf9f6fe6f834d5e3ed81676684f7ebd3ccb91ab240740a9f29024bba8566d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] 4a056d8ee7214d5a9df410fbf89baf226ddce01fcdc07b8a3e6b0b381315f986
[INFO] running `Command { std: "docker" "start" "-a" "4a056d8ee7214d5a9df410fbf89baf226ddce01fcdc07b8a3e6b0b381315f986", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling flex-error v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "4a056d8ee7214d5a9df410fbf89baf226ddce01fcdc07b8a3e6b0b381315f986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a056d8ee7214d5a9df410fbf89baf226ddce01fcdc07b8a3e6b0b381315f986", kill_on_drop: false }`
[INFO] [stdout] 4a056d8ee7214d5a9df410fbf89baf226ddce01fcdc07b8a3e6b0b381315f986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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] d077afe4200c114608756fc29ca9ddcf594c9355925a9882103ccee0e600f590
[INFO] running `Command { std: "docker" "start" "-a" "d077afe4200c114608756fc29ca9ddcf594c9355925a9882103ccee0e600f590", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flex-error v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d077afe4200c114608756fc29ca9ddcf594c9355925a9882103ccee0e600f590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d077afe4200c114608756fc29ca9ddcf594c9355925a9882103ccee0e600f590", kill_on_drop: false }`
[INFO] [stdout] d077afe4200c114608756fc29ca9ddcf594c9355925a9882103ccee0e600f590