[INFO] cloning repository https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-bicycle-book-wordcount", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-bicycle-book-wordcount'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 922a6f03fda59747eff1561ee947732d96bd7897
[INFO] checking zaki-yama-labs/rust-bicycle-book-wordcount against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-bicycle-book-wordcount" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount 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 git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount
[INFO] finished tweaking git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount
[INFO] tweaked toml for git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/zaki-yama-labs/rust-bicycle-book-wordcount 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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 70abf1d9e8802c64103270bde2e863bd93a36a47c06788c3180b9d2b1f67c7da
[INFO] running `Command { std: "docker" "start" "-a" "70abf1d9e8802c64103270bde2e863bd93a36a47c06788c3180b9d2b1f67c7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70abf1d9e8802c64103270bde2e863bd93a36a47c06788c3180b9d2b1f67c7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70abf1d9e8802c64103270bde2e863bd93a36a47c06788c3180b9d2b1f67c7da", kill_on_drop: false }`
[INFO] [stdout] 70abf1d9e8802c64103270bde2e863bd93a36a47c06788c3180b9d2b1f67c7da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 523914900b534ed40a2a184584bb3297f51704e3e642940d41fc715517c7df71
[INFO] running `Command { std: "docker" "start" "-a" "523914900b534ed40a2a184584bb3297f51704e3e642940d41fc715517c7df71", 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]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking zaki-yama-bicycle-book-wordcount v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io`
[INFO] [stdout]    --> src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn result_test() -> io::Result<()> {
[INFO] [stdout]     |                     ^^ use of undeclared crate or module `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout] 136 | / macro_rules! assert_map {
[INFO] [stdout] 137 | |   ($expr: expr, {$($key: expr => $value:expr),*}) => {
[INFO] [stdout] 138 | |     $(assert_eq!($expr[$key], $value));*
[INFO] [stdout] 139 | |   };
[INFO] [stdout] 140 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zaki-yama-bicycle-book-wordcount` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "523914900b534ed40a2a184584bb3297f51704e3e642940d41fc715517c7df71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523914900b534ed40a2a184584bb3297f51704e3e642940d41fc715517c7df71", kill_on_drop: false }`
[INFO] [stdout] 523914900b534ed40a2a184584bb3297f51704e3e642940d41fc715517c7df71