[INFO] cloning repository https://github.com/sarajuhosova/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarajuhosova/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarajuhosova%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarajuhosova%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0cb199c82810282e4d41e685c8c6c88d12a8a5f
[INFO] testing sarajuhosova/rust-playground against try#311784882baa42a9638298cb325fa01a062c9d0f+cargoflags=-Zbuild-dir-new-layout for pr-149852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarajuhosova%2Frust-playground" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sarajuhosova/rust-playground
[INFO] finished tweaking git repo https://github.com/sarajuhosova/rust-playground
[INFO] tweaked toml for git repo https://github.com/sarajuhosova/rust-playground written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sarajuhosova/rust-playground on toolchain 311784882baa42a9638298cb325fa01a062c9d0f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311784882baa42a9638298cb325fa01a062c9d0f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sarajuhosova/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311784882baa42a9638298cb325fa01a062c9d0f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+311784882baa42a9638298cb325fa01a062c9d0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d05feda66f9563bef8267bc7e488c6b77889cd6eed03fc5e4fd7af7da33cedb
[INFO] running `Command { std: "docker" "start" "-a" "2d05feda66f9563bef8267bc7e488c6b77889cd6eed03fc5e4fd7af7da33cedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d05feda66f9563bef8267bc7e488c6b77889cd6eed03fc5e4fd7af7da33cedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d05feda66f9563bef8267bc7e488c6b77889cd6eed03fc5e4fd7af7da33cedb", kill_on_drop: false }`
[INFO] [stdout] 2d05feda66f9563bef8267bc7e488c6b77889cd6eed03fc5e4fd7af7da33cedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+311784882baa42a9638298cb325fa01a062c9d0f" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] b37b4b592d665c06816a54bfd8c794ca862a75af12b9561ad0911e3a4c296f0b
[INFO] running `Command { std: "docker" "start" "-a" "b37b4b592d665c06816a54bfd8c794ca862a75af12b9561ad0911e3a4c296f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `data::alphabet::Alphabet`
[INFO] [stdout]   --> src/dna/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use data::alphabet::Alphabet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] warning: unused import: `data::amino_acid::AminoAcid`
[INFO] [stdout]   --> src/dna/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use data::amino_acid::AminoAcid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state_machine::StateMachine`
[INFO] [stdout]   --> src/dna/mod.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use state_machine::StateMachine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b37b4b592d665c06816a54bfd8c794ca862a75af12b9561ad0911e3a4c296f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37b4b592d665c06816a54bfd8c794ca862a75af12b9561ad0911e3a4c296f0b", kill_on_drop: false }`
[INFO] [stdout] b37b4b592d665c06816a54bfd8c794ca862a75af12b9561ad0911e3a4c296f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+311784882baa42a9638298cb325fa01a062c9d0f" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 174d56e769782d1f1d63e369b470a05e6c9bd65438a9ed7ad76a14ea5aae0c19
[INFO] running `Command { std: "docker" "start" "-a" "174d56e769782d1f1d63e369b470a05e6c9bd65438a9ed7ad76a14ea5aae0c19", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `data::alphabet::Alphabet`
[INFO] [stdout]   --> src/dna/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | use data::alphabet::Alphabet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::amino_acid::AminoAcid`
[INFO] [stdout]   --> src/dna/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use data::amino_acid::AminoAcid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `state_machine::StateMachine`
[INFO] [stdout]   --> src/dna/mod.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use state_machine::StateMachine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "174d56e769782d1f1d63e369b470a05e6c9bd65438a9ed7ad76a14ea5aae0c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174d56e769782d1f1d63e369b470a05e6c9bd65438a9ed7ad76a14ea5aae0c19", kill_on_drop: false }`
[INFO] [stdout] 174d56e769782d1f1d63e369b470a05e6c9bd65438a9ed7ad76a14ea5aae0c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+311784882baa42a9638298cb325fa01a062c9d0f" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 8301acde85befac68bbcbf21afc94700377ffd8d43278fce583bc2e0b58435b8
[INFO] running `Command { std: "docker" "start" "-a" "8301acde85befac68bbcbf21afc94700377ffd8d43278fce583bc2e0b58435b8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `data::alphabet::Alphabet`
[INFO] [stderr]   --> src/dna/mod.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | use data::alphabet::Alphabet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `data::amino_acid::AminoAcid`
[INFO] [stderr]   --> src/dna/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | use data::amino_acid::AminoAcid;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `state_machine::StateMachine`
[INFO] [stderr]   --> src/dna/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | use state_machine::StateMachine;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-playground` (lib) generated 3 warnings (run `cargo fix --lib -p rust-playground` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/rust-playground/c34e2904645c1a57/deps/rust_playground-c34e2904645c1a57)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dna::tests::test_open_close_x_3 ... ok
[INFO] [stdout] test dna::tests::test_leucine_count ... ok
[INFO] [stdout] test dna::tests::test_protein_read ... ok
[INFO] [stdout] test fibonacci::tests::test_fibonacci ... ok
[INFO] [stderr]    Doc-tests rust_playground
[INFO] [stdout] test rectangle::tests::test_rectangle ... ok
[INFO] [stdout] test rectangle::tests::test_square ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8301acde85befac68bbcbf21afc94700377ffd8d43278fce583bc2e0b58435b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8301acde85befac68bbcbf21afc94700377ffd8d43278fce583bc2e0b58435b8", kill_on_drop: false }`
[INFO] [stdout] 8301acde85befac68bbcbf21afc94700377ffd8d43278fce583bc2e0b58435b8