[INFO] fetching crate beeyan-bicycle-book-wordcount 0.1.0...
[INFO] checking beeyan-bicycle-book-wordcount-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate beeyan-bicycle-book-wordcount 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate beeyan-bicycle-book-wordcount 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate beeyan-bicycle-book-wordcount 0.1.0
[INFO] finished tweaking crates.io crate beeyan-bicycle-book-wordcount 0.1.0
[INFO] tweaked toml for crates.io crate beeyan-bicycle-book-wordcount 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate beeyan-bicycle-book-wordcount 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 memchr v2.2.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84651e3e25029f8eca90be7ae69382efd542b53c58c6078700722fc5e4e49f20
[INFO] running `Command { std: "docker" "start" "-a" "84651e3e25029f8eca90be7ae69382efd542b53c58c6078700722fc5e4e49f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84651e3e25029f8eca90be7ae69382efd542b53c58c6078700722fc5e4e49f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84651e3e25029f8eca90be7ae69382efd542b53c58c6078700722fc5e4e49f20", kill_on_drop: false }`
[INFO] [stdout] 84651e3e25029f8eca90be7ae69382efd542b53c58c6078700722fc5e4e49f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ab22304e640b1a3da0a83020fbacfcac90cb2c4a9dbcc9acf0f7842ca63fa4
[INFO] running `Command { std: "docker" "start" "-a" "d1ab22304e640b1a3da0a83020fbacfcac90cb2c4a9dbcc9acf0f7842ca63fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking beeyan-bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `assert_map`
[INFO] [stdout]   --> src/lib.rs:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 | macro_rules!  assert_map {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Word,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "d1ab22304e640b1a3da0a83020fbacfcac90cb2c4a9dbcc9acf0f7842ca63fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ab22304e640b1a3da0a83020fbacfcac90cb2c4a9dbcc9acf0f7842ca63fa4", kill_on_drop: false }`
[INFO] [stdout] d1ab22304e640b1a3da0a83020fbacfcac90cb2c4a9dbcc9acf0f7842ca63fa4