[INFO] fetching crate zaki-yama-bicycle-book-wordcount 0.1.1...
[INFO] checking zaki-yama-bicycle-book-wordcount-0.1.1 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate zaki-yama-bicycle-book-wordcount 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1
[INFO] finished tweaking crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1
[INFO] tweaked toml for crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2a0a5abf605f8f5df2881aefe1a080c0b0e9d45563c4bb1c0b7be311ec72364
[INFO] running `Command { std: "docker" "start" "-a" "c2a0a5abf605f8f5df2881aefe1a080c0b0e9d45563c4bb1c0b7be311ec72364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a0a5abf605f8f5df2881aefe1a080c0b0e9d45563c4bb1c0b7be311ec72364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a0a5abf605f8f5df2881aefe1a080c0b0e9d45563c4bb1c0b7be311ec72364", kill_on_drop: false }`
[INFO] [stdout] c2a0a5abf605f8f5df2881aefe1a080c0b0e9d45563c4bb1c0b7be311ec72364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977a9e211f410068ebd0f87a1fa2a63d9b8a5fdec9c5fc95345d6aea2f50533c
[INFO] running `Command { std: "docker" "start" "-a" "977a9e211f410068ebd0f87a1fa2a63d9b8a5fdec9c5fc95345d6aea2f50533c", kill_on_drop: false }`
[INFO] [stderr]     Checking zaki-yama-bicycle-book-wordcount v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | use std::io;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `assert_map`
[INFO] [stdout]    --> src/lib.rs:136:14
[INFO] [stdout]     |
[INFO] [stdout] 136 | macro_rules! assert_map {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "977a9e211f410068ebd0f87a1fa2a63d9b8a5fdec9c5fc95345d6aea2f50533c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977a9e211f410068ebd0f87a1fa2a63d9b8a5fdec9c5fc95345d6aea2f50533c", kill_on_drop: false }`
[INFO] [stdout] 977a9e211f410068ebd0f87a1fa2a63d9b8a5fdec9c5fc95345d6aea2f50533c