[INFO] fetching crate cargo-mutagen 0.1.2... [INFO] testing cargo-mutagen-0.1.2 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate cargo-mutagen 0.1.2 into /workspace/builds/worker-29/source [INFO] validating manifest of crates.io crate cargo-mutagen 0.1.2 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-29/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 868e1d7c8fbf386991c4d6e8b3da657bdf41e8b6e1c1b3822c6d9de9a6640e7e [INFO] running `Command { std: "docker" "start" "-a" "868e1d7c8fbf386991c4d6e8b3da657bdf41e8b6e1c1b3822c6d9de9a6640e7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "868e1d7c8fbf386991c4d6e8b3da657bdf41e8b6e1c1b3822c6d9de9a6640e7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "868e1d7c8fbf386991c4d6e8b3da657bdf41e8b6e1c1b3822c6d9de9a6640e7e", kill_on_drop: false }` [INFO] [stdout] 868e1d7c8fbf386991c4d6e8b3da657bdf41e8b6e1c1b3822c6d9de9a6640e7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9fd2bbefd77fe42b517f479c8a5ffe55fb63dd474147334a904a21f8c43efdc2 [INFO] running `Command { std: "docker" "start" "-a" "9fd2bbefd77fe42b517f479c8a5ffe55fb63dd474147334a904a21f8c43efdc2", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling json v0.11.15 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling wait-timeout v0.1.5 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling backtrace v0.3.64 [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] | ^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 - fn run_mutations(runner: &mut Runner, list: &[String]) -> Result<()> { [INFO] [stdout] 48 + fn run_mutations(runner: &mut dyn Runner, list: &[String]) -> Result<()> { [INFO] [stdout] | [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] | ^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 161 - let runner: &mut Runner = if with_coverage { [INFO] [stdout] 161 + let runner: &mut dyn Runner = if with_coverage { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.13s [INFO] running `Command { std: "docker" "inspect" "9fd2bbefd77fe42b517f479c8a5ffe55fb63dd474147334a904a21f8c43efdc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fd2bbefd77fe42b517f479c8a5ffe55fb63dd474147334a904a21f8c43efdc2", kill_on_drop: false }` [INFO] [stdout] 9fd2bbefd77fe42b517f479c8a5ffe55fb63dd474147334a904a21f8c43efdc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9f2e58c6a02381681991ef4f86a91e43d3c7359032d677946fcb6dda2765ea1 [INFO] running `Command { std: "docker" "start" "-a" "d9f2e58c6a02381681991ef4f86a91e43d3c7359032d677946fcb6dda2765ea1", 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] | ^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 - fn run_mutations(runner: &mut Runner, list: &[String]) -> Result<()> { [INFO] [stdout] 48 + fn run_mutations(runner: &mut dyn Runner, list: &[String]) -> Result<()> { [INFO] [stdout] | [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] | ^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 161 - let runner: &mut Runner = if with_coverage { [INFO] [stdout] 161 + let runner: &mut dyn Runner = if with_coverage { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_mutagen-efb3df03612146c5) [INFO] running `Command { std: "docker" "inspect" "d9f2e58c6a02381681991ef4f86a91e43d3c7359032d677946fcb6dda2765ea1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9f2e58c6a02381681991ef4f86a91e43d3c7359032d677946fcb6dda2765ea1", kill_on_drop: false }` [INFO] [stdout] d9f2e58c6a02381681991ef4f86a91e43d3c7359032d677946fcb6dda2765ea1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 830b9f6530bfac95d75319d8c0669ac5a85d32fb4c8e2bcdc3f6c7fab05b391a [INFO] running `Command { std: "docker" "start" "-a" "830b9f6530bfac95d75319d8c0669ac5a85d32fb4c8e2bcdc3f6c7fab05b391a", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:48:31 [INFO] [stderr] | [INFO] [stderr] 48 | fn run_mutations(runner: &mut Runner, list: &[String]) -> Result<()> { [INFO] [stderr] | ^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 48 - fn run_mutations(runner: &mut Runner, list: &[String]) -> Result<()> { [INFO] [stderr] 48 + fn run_mutations(runner: &mut dyn Runner, list: &[String]) -> Result<()> { [INFO] [stderr] | [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] | ^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 161 - let runner: &mut Runner = if with_coverage { [INFO] [stderr] 161 + let runner: &mut dyn Runner = if with_coverage { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `cargo-mutagen` (bin "cargo-mutagen" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_mutagen-efb3df03612146c5) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test runner::tests::it_returns_no_tests_on_empty ... ok [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 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "830b9f6530bfac95d75319d8c0669ac5a85d32fb4c8e2bcdc3f6c7fab05b391a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "830b9f6530bfac95d75319d8c0669ac5a85d32fb4c8e2bcdc3f6c7fab05b391a", kill_on_drop: false }` [INFO] [stdout] 830b9f6530bfac95d75319d8c0669ac5a85d32fb4c8e2bcdc3f6c7fab05b391a