[INFO] fetching crate color-backtrace 0.5.1...
[INFO] checking color-backtrace-0.5.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate color-backtrace 0.5.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate color-backtrace 0.5.1 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 color-backtrace 0.5.1
[INFO] finished tweaking crates.io crate color-backtrace 0.5.1
[INFO] tweaked toml for crates.io crate color-backtrace 0.5.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate color-backtrace 0.5.1 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 3e5d6eeefebf070dd7da8c6459b0261418a1db4d763d9cd9d01fd137a48eeb3e
[INFO] running `Command { std: "docker" "start" "-a" "3e5d6eeefebf070dd7da8c6459b0261418a1db4d763d9cd9d01fd137a48eeb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e5d6eeefebf070dd7da8c6459b0261418a1db4d763d9cd9d01fd137a48eeb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5d6eeefebf070dd7da8c6459b0261418a1db4d763d9cd9d01fd137a48eeb3e", kill_on_drop: false }`
[INFO] [stdout] 3e5d6eeefebf070dd7da8c6459b0261418a1db4d763d9cd9d01fd137a48eeb3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 1c225f3cd7bfd42d404aad96873065d1caa44962a3b746952e4deca1845a78a1
[INFO] running `Command { std: "docker" "start" "-a" "1c225f3cd7bfd42d404aad96873065d1caa44962a3b746952e4deca1845a78a1", 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 autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]     Checking color-backtrace v0.5.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/panic_macro.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/assert_failed.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/fmt_to_string.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/force_color.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/unwrap_result.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/custom_message.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.82s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking color-backtrace v0.5.1 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "1c225f3cd7bfd42d404aad96873065d1caa44962a3b746952e4deca1845a78a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c225f3cd7bfd42d404aad96873065d1caa44962a3b746952e4deca1845a78a1", kill_on_drop: false }`
[INFO] [stdout] 1c225f3cd7bfd42d404aad96873065d1caa44962a3b746952e4deca1845a78a1