[INFO] fetching crate option-symbology 0.2.0...
[INFO] building option-symbology-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate option-symbology 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate option-symbology 0.2.0
[INFO] finished tweaking crates.io crate option-symbology 0.2.0
[INFO] tweaked toml for crates.io crate option-symbology 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate option-symbology 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding fancy-regex v0.6.0 (available: v0.16.2)
[INFO] [stderr]       Adding strum v0.21.0 (available: v0.27.2)
[INFO] [stderr]       Adding strum_macros v0.21.1 (available: v0.27.2)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded fancy-regex v0.6.0
[INFO] [stderr]   Downloaded bit-set v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 646d68b2489557749a711e7f531558ec550f750f6df11d11bb4fece70779f6eb
[INFO] running `Command { std: "docker" "start" "-a" "646d68b2489557749a711e7f531558ec550f750f6df11d11bb4fece70779f6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "646d68b2489557749a711e7f531558ec550f750f6df11d11bb4fece70779f6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646d68b2489557749a711e7f531558ec550f750f6df11d11bb4fece70779f6eb", kill_on_drop: false }`
[INFO] [stdout] 646d68b2489557749a711e7f531558ec550f750f6df11d11bb4fece70779f6eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0aabc326bc80adcccf9d09cec111b532c36cfd4a24f57e6a5ee63316e8992025
[INFO] running `Command { std: "docker" "start" "-a" "0aabc326bc80adcccf9d09cec111b532c36cfd4a24f57e6a5ee63316e8992025", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling fancy-regex v0.6.0
[INFO] [stderr]    Compiling option-symbology v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `Command { std: "docker" "inspect" "0aabc326bc80adcccf9d09cec111b532c36cfd4a24f57e6a5ee63316e8992025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aabc326bc80adcccf9d09cec111b532c36cfd4a24f57e6a5ee63316e8992025", kill_on_drop: false }`
[INFO] [stdout] 0aabc326bc80adcccf9d09cec111b532c36cfd4a24f57e6a5ee63316e8992025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 633eaa418cddbbb422780d5bb0860aec0ddfd1c636bb712fca1808591a3c004f
[INFO] running `Command { std: "docker" "start" "-a" "633eaa418cddbbb422780d5bb0860aec0ddfd1c636bb712fca1808591a3c004f", kill_on_drop: false }`
[INFO] [stderr]    Compiling option-symbology v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "633eaa418cddbbb422780d5bb0860aec0ddfd1c636bb712fca1808591a3c004f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633eaa418cddbbb422780d5bb0860aec0ddfd1c636bb712fca1808591a3c004f", kill_on_drop: false }`
[INFO] [stdout] 633eaa418cddbbb422780d5bb0860aec0ddfd1c636bb712fca1808591a3c004f