[INFO] fetching crate gnaw 0.0.2...
[INFO] checking gnaw-0.0.2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate gnaw 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gnaw 0.0.2 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gnaw 0.0.2
[INFO] finished tweaking crates.io crate gnaw 0.0.2
[INFO] tweaked toml for crates.io crate gnaw 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-husky v1.5.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.6
[INFO] [stderr]   Downloaded tinyvec v1.3.1
[INFO] [stderr]   Downloaded matches v0.1.9
[INFO] [stderr]   Downloaded version-sync v0.9.2
[INFO] [stderr]   Downloaded git_info v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8201a0cc3bb6c1a10b940c46d8f9adb88b27313c9a40878f33f0e017ea9d9dd6
[INFO] running `Command { std: "docker" "start" "-a" "8201a0cc3bb6c1a10b940c46d8f9adb88b27313c9a40878f33f0e017ea9d9dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8201a0cc3bb6c1a10b940c46d8f9adb88b27313c9a40878f33f0e017ea9d9dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8201a0cc3bb6c1a10b940c46d8f9adb88b27313c9a40878f33f0e017ea9d9dd6", kill_on_drop: false }`
[INFO] [stdout] 8201a0cc3bb6c1a10b940c46d8f9adb88b27313c9a40878f33f0e017ea9d9dd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 522b1d9a07e1b559b5b50ecc96122a45b0ea9f27a933ec7fd2e07f6edac49f4e
[INFO] running `Command { std: "docker" "start" "-a" "522b1d9a07e1b559b5b50ecc96122a45b0ea9f27a933ec7fd2e07f6edac49f4e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking git_info v0.1.2
[INFO] [stderr]     Checking gnaw v0.0.2 (/tmp/fixit)
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.75
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]    Migrating tests/version-numbers.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/constants_.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/readme.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/badges.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/headings.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/cargo_badges.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking gnaw v0.0.2 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "522b1d9a07e1b559b5b50ecc96122a45b0ea9f27a933ec7fd2e07f6edac49f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522b1d9a07e1b559b5b50ecc96122a45b0ea9f27a933ec7fd2e07f6edac49f4e", kill_on_drop: false }`
[INFO] [stdout] 522b1d9a07e1b559b5b50ecc96122a45b0ea9f27a933ec7fd2e07f6edac49f4e