[INFO] fetching crate fhiroki-bicycle-book-wordcount 0.1.0...
[INFO] testing fhiroki-bicycle-book-wordcount-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate fhiroki-bicycle-book-wordcount 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fhiroki-bicycle-book-wordcount 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fhiroki-bicycle-book-wordcount 0.1.0
[INFO] finished tweaking crates.io crate fhiroki-bicycle-book-wordcount 0.1.0
[INFO] tweaked toml for crates.io crate fhiroki-bicycle-book-wordcount 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate fhiroki-bicycle-book-wordcount 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c47be7dbf8b0337b4785c5cf3de897dcc1983c1d3934f8cea4af862c74973ca
[INFO] running `Command { std: "docker" "start" "-a" "2c47be7dbf8b0337b4785c5cf3de897dcc1983c1d3934f8cea4af862c74973ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c47be7dbf8b0337b4785c5cf3de897dcc1983c1d3934f8cea4af862c74973ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c47be7dbf8b0337b4785c5cf3de897dcc1983c1d3934f8cea4af862c74973ca", kill_on_drop: false }`
[INFO] [stdout] 2c47be7dbf8b0337b4785c5cf3de897dcc1983c1d3934f8cea4af862c74973ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da3b87bd95b3d693c29f6eada5f72a4d78883b337719c8a3ddeaedd6fd15e9e0
[INFO] running `Command { std: "docker" "start" "-a" "da3b87bd95b3d693c29f6eada5f72a4d78883b337719c8a3ddeaedd6fd15e9e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 v0.7.10
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling fhiroki-bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:18:50
[INFO] [stdout]    |
[INFO] [stdout] 18 |         _ => panic!("invalid option: select from {char, word, line}")
[INFO] [stdout]    |                                                  ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 18 |         _ => panic!("{}", "invalid option: select from {char, word, line}")
[INFO] [stdout]    |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "da3b87bd95b3d693c29f6eada5f72a4d78883b337719c8a3ddeaedd6fd15e9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3b87bd95b3d693c29f6eada5f72a4d78883b337719c8a3ddeaedd6fd15e9e0", kill_on_drop: false }`
[INFO] [stdout] da3b87bd95b3d693c29f6eada5f72a4d78883b337719c8a3ddeaedd6fd15e9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 933f097c5f116dfba4be7ee943a2374cb27951e4cec34632c275e54207e6d89f
[INFO] running `Command { std: "docker" "start" "-a" "933f097c5f116dfba4be7ee943a2374cb27951e4cec34632c275e54207e6d89f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fhiroki-bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:18:50
[INFO] [stdout]    |
[INFO] [stdout] 18 |         _ => panic!("invalid option: select from {char, word, line}")
[INFO] [stdout]    |                                                  ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 18 |         _ => panic!("{}", "invalid option: select from {char, word, line}")
[INFO] [stdout]    |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "933f097c5f116dfba4be7ee943a2374cb27951e4cec34632c275e54207e6d89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933f097c5f116dfba4be7ee943a2374cb27951e4cec34632c275e54207e6d89f", kill_on_drop: false }`
[INFO] [stdout] 933f097c5f116dfba4be7ee943a2374cb27951e4cec34632c275e54207e6d89f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80146184ea08632942494068d88cc86ef74ff6d72db7953cabf80f75b580d51d
[INFO] running `Command { std: "docker" "start" "-a" "80146184ea08632942494068d88cc86ef74ff6d72db7953cabf80f75b580d51d", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]   --> src/main.rs:18:50
[INFO] [stderr]    |
[INFO] [stderr] 18 |         _ => panic!("invalid option: select from {char, word, line}")
[INFO] [stderr]    |                                                  ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 18 |         _ => panic!("{}", "invalid option: select from {char, word, line}")
[INFO] [stderr]    |                     +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fhiroki-bicycle-book-wordcount` (bin "fhiroki-bicycle-book-wordcount" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fhiroki_bicycle_book_wordcount-2a09c11b3733d2f1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::word_count_works2 ... ok
[INFO] [stdout] test test::word_count_works3 ... ok
[INFO] [stdout] test test::word_count_works ... ok
[INFO] [stdout] test test::word_count_do_not_contain_unknown_words - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fhiroki_bicycle_book_wordcount-dc80ff30a87e80c6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fhiroki-bicycle-book-wordcount
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - count (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80146184ea08632942494068d88cc86ef74ff6d72db7953cabf80f75b580d51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80146184ea08632942494068d88cc86ef74ff6d72db7953cabf80f75b580d51d", kill_on_drop: false }`
[INFO] [stdout] 80146184ea08632942494068d88cc86ef74ff6d72db7953cabf80f75b580d51d