[INFO] updating cached repository https://github.com/rusty-cat-life/wordcount [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bd6122737b66ab0d98a1beae90e8c4288f8e99c5 [INFO] testing rusty-cat-life/wordcount against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-cat-life%2Fwordcount" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rusty-cat-life/wordcount on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/rusty-cat-life/wordcount [INFO] finished tweaking git repo https://github.com/rusty-cat-life/wordcount [INFO] tweaked toml for git repo https://github.com/rusty-cat-life/wordcount written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/rusty-cat-life/wordcount already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 82fa612a1cb26f29669ae9497f12f733f521b57202b7c69d933db3a709101fcc [INFO] running `"docker" "start" "-a" "82fa612a1cb26f29669ae9497f12f733f521b57202b7c69d933db3a709101fcc"` [INFO] [stderr] Compiling regex-syntax v0.6.11 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling regex v1.2.1 [INFO] [stderr] Compiling wordcount v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Char` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Char, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Line` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Line, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.73s [INFO] running `"docker" "inspect" "82fa612a1cb26f29669ae9497f12f733f521b57202b7c69d933db3a709101fcc"` [INFO] running `"docker" "rm" "-f" "82fa612a1cb26f29669ae9497f12f733f521b57202b7c69d933db3a709101fcc"` [INFO] [stdout] 82fa612a1cb26f29669ae9497f12f733f521b57202b7c69d933db3a709101fcc [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3c40d82bb133d17a3893393b682aaa8acc091e2a05fde0641ea127d5aa1d0f5a [INFO] running `"docker" "start" "-a" "3c40d82bb133d17a3893393b682aaa8acc091e2a05fde0641ea127d5aa1d0f5a"` [INFO] [stderr] Compiling wordcount v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `Char` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Char, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Line` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Line, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `"docker" "inspect" "3c40d82bb133d17a3893393b682aaa8acc091e2a05fde0641ea127d5aa1d0f5a"` [INFO] running `"docker" "rm" "-f" "3c40d82bb133d17a3893393b682aaa8acc091e2a05fde0641ea127d5aa1d0f5a"` [INFO] [stdout] 3c40d82bb133d17a3893393b682aaa8acc091e2a05fde0641ea127d5aa1d0f5a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stdout] 24de47282886682e6c88061606040ce0672dbf936b55b0f4a0e8743257a83315 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "24de47282886682e6c88061606040ce0672dbf936b55b0f4a0e8743257a83315"` [INFO] [stderr] warning: variant is never constructed: `Char` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Char, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Line` [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Line, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wordcount-da1123b0932193b0 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test word_count_works ... ok [INFO] [stdout] test word_count_works2 ... ok [INFO] [stdout] test word_count_do_not_contain_unknown_words ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wordcount-f5adc1024d7f5ae7 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lib::word_count_works ... ok [INFO] [stdout] test lib::word_count_works2 ... ok [INFO] [stdout] test lib::word_count_do_not_contain_unknown_words ... ok [INFO] [stderr] Doc-tests wordcount [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "24de47282886682e6c88061606040ce0672dbf936b55b0f4a0e8743257a83315"` [INFO] running `"docker" "rm" "-f" "24de47282886682e6c88061606040ce0672dbf936b55b0f4a0e8743257a83315"` [INFO] [stdout] 24de47282886682e6c88061606040ce0672dbf936b55b0f4a0e8743257a83315