[INFO] fetching crate cargo-mutagen 0.1.2... [INFO] testing cargo-mutagen-0.1.2 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate cargo-mutagen 0.1.2 into /workspace/builds/worker-86/source [INFO] validating manifest of crates.io crate cargo-mutagen 0.1.2 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 crates.io crate cargo-mutagen 0.1.2 [INFO] finished tweaking crates.io crate cargo-mutagen 0.1.2 [INFO] tweaked toml for crates.io crate cargo-mutagen 0.1.2 written to /workspace/builds/worker-86/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] ca351e13ba973070851d1f99e4d696948f513f8b5c8e22b25a563e6606d754fe [INFO] running `Command { std: "docker" "start" "-a" "ca351e13ba973070851d1f99e4d696948f513f8b5c8e22b25a563e6606d754fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca351e13ba973070851d1f99e4d696948f513f8b5c8e22b25a563e6606d754fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca351e13ba973070851d1f99e4d696948f513f8b5c8e22b25a563e6606d754fe", kill_on_drop: false }` [INFO] [stdout] ca351e13ba973070851d1f99e4d696948f513f8b5c8e22b25a563e6606d754fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] f7d557b817f4c635653c6cdc42f2bb9db65aac943b703b42837f9d954b248433 [INFO] running `Command { std: "docker" "start" "-a" "f7d557b817f4c635653c6cdc42f2bb9db65aac943b703b42837f9d954b248433", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling gimli v0.25.0 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling json v0.11.15 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling wait-timeout v0.1.5 [INFO] [stderr] Compiling object v0.26.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling addr2line v0.16.0 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling cargo-mutagen v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:48:31 [INFO] [stdout] | [INFO] [stdout] 48 | fn run_mutations(runner: &mut Runner, list: &[String]) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Runner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:161:26 [INFO] [stdout] | [INFO] [stdout] 161 | let runner: &mut Runner = if with_coverage { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Runner` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.12s [INFO] running `Command { std: "docker" "inspect" "f7d557b817f4c635653c6cdc42f2bb9db65aac943b703b42837f9d954b248433", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7d557b817f4c635653c6cdc42f2bb9db65aac943b703b42837f9d954b248433", kill_on_drop: false }` [INFO] [stdout] f7d557b817f4c635653c6cdc42f2bb9db65aac943b703b42837f9d954b248433 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 16723829d9b9700c19c96a38da7318ed92babed97ccb17c69ce6321626e09f6b [INFO] running `Command { std: "docker" "start" "-a" "16723829d9b9700c19c96a38da7318ed92babed97ccb17c69ce6321626e09f6b", kill_on_drop: false }` [INFO] [stderr] Compiling cargo-mutagen v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:48:31 [INFO] [stdout] | [INFO] [stdout] 48 | fn run_mutations(runner: &mut Runner, list: &[String]) -> Result<()> { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Runner` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:161:26 [INFO] [stdout] | [INFO] [stdout] 161 | let runner: &mut Runner = if with_coverage { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Runner` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "16723829d9b9700c19c96a38da7318ed92babed97ccb17c69ce6321626e09f6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16723829d9b9700c19c96a38da7318ed92babed97ccb17c69ce6321626e09f6b", kill_on_drop: false }` [INFO] [stdout] 16723829d9b9700c19c96a38da7318ed92babed97ccb17c69ce6321626e09f6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] df9d707d4828b8d70acf9edbe0dbbdc5de465a05ce8f1803f535d4c7bfb0c0d8 [INFO] running `Command { std: "docker" "start" "-a" "df9d707d4828b8d70acf9edbe0dbbdc5de465a05ce8f1803f535d4c7bfb0c0d8", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 4 tests [INFO] [stderr] --> src/main.rs:48:31 [INFO] [stdout] test runner::tests::it_returns_no_tests_on_empty ... ok [INFO] [stderr] | [INFO] [stderr] 48 | fn run_mutations(runner: &mut Runner, list: &[String]) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Runner` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:161:26 [INFO] [stderr] | [INFO] [stderr] 161 | let runner: &mut Runner = if with_coverage { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Runner` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `cargo-mutagen` (bin "cargo-mutagen" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cargo_mutagen-0119088d4d6a9aca) [INFO] [stdout] test runner::tests::it_returns_test_if_they_were_added ... ok [INFO] [stdout] test tests::it_fails_to_decode_malformed_mutations ... ok [INFO] [stdout] test tests::it_decodes_well_formed_mutations ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "df9d707d4828b8d70acf9edbe0dbbdc5de465a05ce8f1803f535d4c7bfb0c0d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df9d707d4828b8d70acf9edbe0dbbdc5de465a05ce8f1803f535d4c7bfb0c0d8", kill_on_drop: false }` [INFO] [stdout] df9d707d4828b8d70acf9edbe0dbbdc5de465a05ce8f1803f535d4c7bfb0c0d8