[INFO] fetching crate fehler 1.0.0... [INFO] testing fehler-1.0.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate fehler 1.0.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate fehler 1.0.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fehler 1.0.0 [INFO] finished tweaking crates.io crate fehler 1.0.0 [INFO] tweaked toml for crates.io crate fehler 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate fehler 1.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 17b468892b36590de12657d534281ebe82607754c40da1e943081f4e4923ad04 [INFO] running `Command { std: "docker" "start" "-a" "17b468892b36590de12657d534281ebe82607754c40da1e943081f4e4923ad04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17b468892b36590de12657d534281ebe82607754c40da1e943081f4e4923ad04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17b468892b36590de12657d534281ebe82607754c40da1e943081f4e4923ad04", kill_on_drop: false }` [INFO] [stdout] 17b468892b36590de12657d534281ebe82607754c40da1e943081f4e4923ad04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc4c191d4f5e0b5a16089f28d9b4fb1fb9c75c8b3946950597a513272505709a [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" "fc4c191d4f5e0b5a16089f28d9b4fb1fb9c75c8b3946950597a513272505709a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling fehler-macros v1.0.0 [INFO] [stderr] Compiling fehler v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.94s [INFO] running `Command { std: "docker" "inspect" "fc4c191d4f5e0b5a16089f28d9b4fb1fb9c75c8b3946950597a513272505709a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc4c191d4f5e0b5a16089f28d9b4fb1fb9c75c8b3946950597a513272505709a", kill_on_drop: false }` [INFO] [stdout] fc4c191d4f5e0b5a16089f28d9b4fb1fb9c75c8b3946950597a513272505709a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf85623a6cd5f3637c7f7064588ea60cc9394949b601135ce3d8bf7e0097603f [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" "bf85623a6cd5f3637c7f7064588ea60cc9394949b601135ce3d8bf7e0097603f", kill_on_drop: false }` [INFO] [stderr] Compiling fehler v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> tests/throws.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | #[throws] [INFO] [stdout] | ^^^^^^^^^ unreachable expression [INFO] [stdout] 100 | fn throws_integer() { [INFO] [stdout] 101 | throw!(0); [INFO] [stdout] | ---------- any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Error` [INFO] [stdout] --> tests/throws.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | type Error = i32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `throws_integer` [INFO] [stdout] --> tests/throws.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 100 | fn throws_integer() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> tests/no_std.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[throws(i32)] [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] 6 | fn no_std_fn() { [INFO] [stdout] 7 | throw!(0); [INFO] [stdout] | ---------- any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "bf85623a6cd5f3637c7f7064588ea60cc9394949b601135ce3d8bf7e0097603f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf85623a6cd5f3637c7f7064588ea60cc9394949b601135ce3d8bf7e0097603f", kill_on_drop: false }` [INFO] [stdout] bf85623a6cd5f3637c7f7064588ea60cc9394949b601135ce3d8bf7e0097603f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 90569d678ff0963ed7cbbe5baf68cba24cf75506d2d52c0e8da19e7003d1e9ff [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" "90569d678ff0963ed7cbbe5baf68cba24cf75506d2d52c0e8da19e7003d1e9ff", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> tests/no_std.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[throws(i32)] [INFO] [stderr] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] 6 | fn no_std_fn() { [INFO] [stderr] 7 | throw!(0); [INFO] [stderr] | ---------- any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> tests/throws.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | #[throws] [INFO] [stderr] | ^^^^^^^^^ unreachable expression [INFO] [stderr] 100 | fn throws_integer() { [INFO] [stderr] 101 | throw!(0); [INFO] [stderr] | ---------- any code following this expression is unreachable [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Error` [INFO] [stderr] --> tests/throws.rs:97:5 [INFO] [stderr] | [INFO] [stderr] 97 | type Error = i32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `throws_integer` [INFO] [stderr] --> tests/throws.rs:100:8 [INFO] [stderr] | [INFO] [stderr] 100 | fn throws_integer() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `fehler` (test "no_std") generated 1 warning [INFO] [stderr] warning: `fehler` (test "throws") generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fehler-8b0294de36cfd5fc) [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; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running tests/no_std.rs (/opt/rustwide/target/debug/deps/no_std-2676de660e8a9361) [INFO] [stdout] test test_expansion ... ok [INFO] [stderr] Running tests/option.rs (/opt/rustwide/target/debug/deps/option-cfa8081d48009b72) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running tests/throw.rs (/opt/rustwide/target/debug/deps/throw-17be8994b3d261db) [INFO] [stdout] test test_outcome_false ... ok [INFO] [stdout] test test_outcome_true ... 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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running tests/throws.rs (/opt/rustwide/target/debug/deps/throws-35bd9b00fa15eb82) [INFO] [stdout] test throw_works ... ok [INFO] [stdout] test throw_infers_ok_type ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests fehler [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; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - throws (line 65) ... ok [INFO] [stdout] test src/lib.rs - throws (line 42) ... ok [INFO] [stdout] test src/lib.rs - throws (line 13) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "90569d678ff0963ed7cbbe5baf68cba24cf75506d2d52c0e8da19e7003d1e9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90569d678ff0963ed7cbbe5baf68cba24cf75506d2d52c0e8da19e7003d1e9ff", kill_on_drop: false }` [INFO] [stdout] 90569d678ff0963ed7cbbe5baf68cba24cf75506d2d52c0e8da19e7003d1e9ff