[INFO] cloning repository https://github.com/plumenator/failure-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plumenator/failure-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplumenator%2Ffailure-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplumenator%2Ffailure-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aa2196d9aa6e6ddda13d8e78c2b56925ff46c641 [INFO] testing plumenator/failure-learn against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplumenator%2Ffailure-learn" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/plumenator/failure-learn on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/plumenator/failure-learn [INFO] finished tweaking git repo https://github.com/plumenator/failure-learn [INFO] tweaked toml for git repo https://github.com/plumenator/failure-learn written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/plumenator/failure-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 868dced00b1592bff866a16743e42a99411b438989100ca6bc39b4deded370f7 [INFO] running `Command { std: "docker" "start" "-a" "868dced00b1592bff866a16743e42a99411b438989100ca6bc39b4deded370f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "868dced00b1592bff866a16743e42a99411b438989100ca6bc39b4deded370f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "868dced00b1592bff866a16743e42a99411b438989100ca6bc39b4deded370f7", kill_on_drop: false }` [INFO] [stdout] 868dced00b1592bff866a16743e42a99411b438989100ca6bc39b4deded370f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9c8b1c2e41b8ca3d87f17a302158d9274555c9aeefa46c7071d08c4cb9a42e5 [INFO] running `Command { std: "docker" "start" "-a" "b9c8b1c2e41b8ca3d87f17a302158d9274555c9aeefa46c7071d08c4cb9a42e5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling rustc-demangle v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling serde v1.0.27 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling backtrace v0.3.5 [INFO] [stderr] Compiling failure v0.1.1 [INFO] [stderr] Compiling failure-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] extern crate matches; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.52s [INFO] running `Command { std: "docker" "inspect" "b9c8b1c2e41b8ca3d87f17a302158d9274555c9aeefa46c7071d08c4cb9a42e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9c8b1c2e41b8ca3d87f17a302158d9274555c9aeefa46c7071d08c4cb9a42e5", kill_on_drop: false }` [INFO] [stdout] b9c8b1c2e41b8ca3d87f17a302158d9274555c9aeefa46c7071d08c4cb9a42e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0587f055111684ac33e1df470f6c6c5209c372d72a88a18a92098a04c7b6335e [INFO] running `Command { std: "docker" "start" "-a" "0587f055111684ac33e1df470f6c6c5209c372d72a88a18a92098a04c7b6335e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling failure-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `Command { std: "docker" "inspect" "0587f055111684ac33e1df470f6c6c5209c372d72a88a18a92098a04c7b6335e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0587f055111684ac33e1df470f6c6c5209c372d72a88a18a92098a04c7b6335e", kill_on_drop: false }` [INFO] [stdout] 0587f055111684ac33e1df470f6c6c5209c372d72a88a18a92098a04c7b6335e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 160330c607a306e5c4d4bb4d54647d8c64aae68b573799aa4202113d14a06fa3 [INFO] running `Command { std: "docker" "start" "-a" "160330c607a306e5c4d4bb4d54647d8c64aae68b573799aa4202113d14a06fa3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.54s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/failure_learn-1c6a25c971ed2045) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test invalid_path ... ok [INFO] [stdout] test invalid_toml ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "160330c607a306e5c4d4bb4d54647d8c64aae68b573799aa4202113d14a06fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "160330c607a306e5c4d4bb4d54647d8c64aae68b573799aa4202113d14a06fa3", kill_on_drop: false }` [INFO] [stdout] 160330c607a306e5c4d4bb4d54647d8c64aae68b573799aa4202113d14a06fa3