[INFO] fetching crate zaki-yama-bicycle-book-wordcount 0.1.1...
[INFO] testing zaki-yama-bicycle-book-wordcount-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate zaki-yama-bicycle-book-wordcount 0.1.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zaki-yama-bicycle-book-wordcount 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22394692a23e274f3cb9a8534014b8b2ca161710a24045489c3de580647730c2
[INFO] running `Command { std: "docker" "start" "-a" "22394692a23e274f3cb9a8534014b8b2ca161710a24045489c3de580647730c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22394692a23e274f3cb9a8534014b8b2ca161710a24045489c3de580647730c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22394692a23e274f3cb9a8534014b8b2ca161710a24045489c3de580647730c2", kill_on_drop: false }`
[INFO] [stdout] 22394692a23e274f3cb9a8534014b8b2ca161710a24045489c3de580647730c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b2328ef21187880eca54c3c5b0af064245059a6df8439cb6c616848857ef16
[INFO] running `Command { std: "docker" "start" "-a" "92b2328ef21187880eca54c3c5b0af064245059a6df8439cb6c616848857ef16", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling 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 2.50s
[INFO] running `Command { std: "docker" "inspect" "92b2328ef21187880eca54c3c5b0af064245059a6df8439cb6c616848857ef16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b2328ef21187880eca54c3c5b0af064245059a6df8439cb6c616848857ef16", kill_on_drop: false }`
[INFO] [stdout] 92b2328ef21187880eca54c3c5b0af064245059a6df8439cb6c616848857ef16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c4c756b253125d3da7b39e3bcb6f4a7f095a43fc195c41015ae0d260d82ba4
[INFO] running `Command { std: "docker" "start" "-a" "f3c4c756b253125d3da7b39e3bcb6f4a7f095a43fc195c41015ae0d260d82ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f3c4c756b253125d3da7b39e3bcb6f4a7f095a43fc195c41015ae0d260d82ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c4c756b253125d3da7b39e3bcb6f4a7f095a43fc195c41015ae0d260d82ba4", kill_on_drop: false }`
[INFO] [stdout] f3c4c756b253125d3da7b39e3bcb6f4a7f095a43fc195c41015ae0d260d82ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffb4cf46ab1a00b6ed57d215fb48e56c9a4462f57f3d7127169ab7394396bfcf
[INFO] running `Command { std: "docker" "start" "-a" "ffb4cf46ab1a00b6ed57d215fb48e56c9a4462f57f3d7127169ab7394396bfcf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]    --> src/lib.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 | use std::io;
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `assert_map`
[INFO] [stderr]    --> src/lib.rs:136:14
[INFO] [stderr]     |
[INFO] [stderr] 136 | macro_rules! assert_map {
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zaki-yama-bicycle-book-wordcount` (lib) generated 2 warnings (run `cargo fix --lib -p zaki-yama-bicycle-book-wordcount` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zaki_yama_bicycle_book_wordcount-113d034a53d9c186)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test result_test ... FAILED
[INFO] [stdout] test word_count_works ... ok
[INFO] [stdout] test word_count_works3 ... ok
[INFO] [stdout] test word_count_works2 ... ok
[INFO] [stdout] test word_count_do_not_contain_unknown_words - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- result_test stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     result_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ffb4cf46ab1a00b6ed57d215fb48e56c9a4462f57f3d7127169ab7394396bfcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb4cf46ab1a00b6ed57d215fb48e56c9a4462f57f3d7127169ab7394396bfcf", kill_on_drop: false }`
[INFO] [stdout] ffb4cf46ab1a00b6ed57d215fb48e56c9a4462f57f3d7127169ab7394396bfcf