[INFO] cloning repository https://github.com/fhiroki/rust_word_count [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fhiroki/rust_word_count" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhiroki%2Frust_word_count", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhiroki%2Frust_word_count'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 02c6426140e1f0134e368db6eed111c18992ffc0 [INFO] testing fhiroki/rust_word_count against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffhiroki%2Frust_word_count" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fhiroki/rust_word_count on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fhiroki/rust_word_count [INFO] finished tweaking git repo https://github.com/fhiroki/rust_word_count [INFO] tweaked toml for git repo https://github.com/fhiroki/rust_word_count written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/fhiroki/rust_word_count already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f02cbcf49b08b7c15810351d4e532aa3c76ba7129953066cab2eb33c994a9a3a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f02cbcf49b08b7c15810351d4e532aa3c76ba7129953066cab2eb33c994a9a3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f02cbcf49b08b7c15810351d4e532aa3c76ba7129953066cab2eb33c994a9a3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f02cbcf49b08b7c15810351d4e532aa3c76ba7129953066cab2eb33c994a9a3a", kill_on_drop: false }` [INFO] [stdout] f02cbcf49b08b7c15810351d4e532aa3c76ba7129953066cab2eb33c994a9a3a [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 564b09a9f476437e1ed24edf03403c6e0d5676907404c99c2ce0fae4be03c424 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "564b09a9f476437e1ed24edf03403c6e0d5676907404c99c2ce0fae4be03c424", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [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 10.21s [INFO] running `Command { std: "docker" "inspect" "564b09a9f476437e1ed24edf03403c6e0d5676907404c99c2ce0fae4be03c424", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "564b09a9f476437e1ed24edf03403c6e0d5676907404c99c2ce0fae4be03c424", kill_on_drop: false }` [INFO] [stdout] 564b09a9f476437e1ed24edf03403c6e0d5676907404c99c2ce0fae4be03c424 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 196058a303c22d673ef39240f23e0c9ad52311f9173aa537b59ba952d6c26ffa [INFO] running `Command { std: "docker" "start" "-a" "196058a303c22d673ef39240f23e0c9ad52311f9173aa537b59ba952d6c26ffa", 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] 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 1.24s [INFO] running `Command { std: "docker" "inspect" "196058a303c22d673ef39240f23e0c9ad52311f9173aa537b59ba952d6c26ffa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "196058a303c22d673ef39240f23e0c9ad52311f9173aa537b59ba952d6c26ffa", kill_on_drop: false }` [INFO] [stdout] 196058a303c22d673ef39240f23e0c9ad52311f9173aa537b59ba952d6c26ffa [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] af3453f6dad41122217d2e202a2a051ccd42df6edb80784df8d30f703c373d44 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "af3453f6dad41122217d2e202a2a051ccd42df6edb80784df8d30f703c373d44", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: panic message contains braces [INFO] [stdout] running 4 tests [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fhiroki_bicycle_book_wordcount-73f16a05323dcb6c) [INFO] [stdout] test test::word_count_works3 ... ok [INFO] [stdout] test test::word_count_works ... ok [INFO] [stdout] test test::word_count_works2 ... 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 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fhiroki_bicycle_book_wordcount-a3354abf83f72df1) [INFO] [stdout] [INFO] [stderr] Doc-tests fhiroki-bicycle-book-wordcount [INFO] [stdout] running 0 tests [INFO] [stdout] [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 1.12s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "af3453f6dad41122217d2e202a2a051ccd42df6edb80784df8d30f703c373d44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af3453f6dad41122217d2e202a2a051ccd42df6edb80784df8d30f703c373d44", kill_on_drop: false }` [INFO] [stdout] af3453f6dad41122217d2e202a2a051ccd42df6edb80784df8d30f703c373d44