[INFO] fetching crate enum_companion 0.1.2...
[INFO] checking enum_companion-0.1.2 against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] extracting crate enum_companion 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate enum_companion 0.1.2
[INFO] finished tweaking crates.io crate enum_companion 0.1.2
[INFO] tweaked toml for crates.io crate enum_companion 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum_companion 0.1.2 on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate enum_companion 0.1.2 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" "+342ed2e8608ee307743c341962b427652cdb06e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd733a3a98fda9ad5e67a7fbbc1a24a59806740b107e7e02eac85ed0a2f3f774
[INFO] running `Command { std: "docker" "start" "-a" "dd733a3a98fda9ad5e67a7fbbc1a24a59806740b107e7e02eac85ed0a2f3f774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd733a3a98fda9ad5e67a7fbbc1a24a59806740b107e7e02eac85ed0a2f3f774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd733a3a98fda9ad5e67a7fbbc1a24a59806740b107e7e02eac85ed0a2f3f774", kill_on_drop: false }`
[INFO] [stdout] dd733a3a98fda9ad5e67a7fbbc1a24a59806740b107e7e02eac85ed0a2f3f774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+342ed2e8608ee307743c341962b427652cdb06e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4541915f58f0afc7ad7ec13995e0e96279f2eb77f4732eca526001f439e5364e
[INFO] running `Command { std: "docker" "start" "-a" "4541915f58f0afc7ad7ec13995e0e96279f2eb77f4732eca526001f439e5364e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling enum_companion_derive v0.1.2
[INFO] [stderr]     Checking enum_companion v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.93s
[INFO] running `Command { std: "docker" "inspect" "4541915f58f0afc7ad7ec13995e0e96279f2eb77f4732eca526001f439e5364e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4541915f58f0afc7ad7ec13995e0e96279f2eb77f4732eca526001f439e5364e", kill_on_drop: false }`
[INFO] [stdout] 4541915f58f0afc7ad7ec13995e0e96279f2eb77f4732eca526001f439e5364e