[INFO] fetching crate lox-scanner 0.1.0...
[INFO] testing lox-scanner-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate lox-scanner 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate lox-scanner 0.1.0
[INFO] finished tweaking crates.io crate lox-scanner 0.1.0
[INFO] tweaked toml for crates.io crate lox-scanner 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lox-scanner 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lox-scanner 0.1.0 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peekmore v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cbfdb532a239eeeedc8e638a6c85a1e242bdd585b45135c529dd529f0fa07f9
[INFO] running `Command { std: "docker" "start" "-a" "0cbfdb532a239eeeedc8e638a6c85a1e242bdd585b45135c529dd529f0fa07f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cbfdb532a239eeeedc8e638a6c85a1e242bdd585b45135c529dd529f0fa07f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbfdb532a239eeeedc8e638a6c85a1e242bdd585b45135c529dd529f0fa07f9", kill_on_drop: false }`
[INFO] [stdout] 0cbfdb532a239eeeedc8e638a6c85a1e242bdd585b45135c529dd529f0fa07f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9cf723b5a369ccf120af59b61c5881819b2f4a58e80b0c9dd4ce700e02bc831
[INFO] running `Command { std: "docker" "start" "-a" "a9cf723b5a369ccf120af59b61c5881819b2f4a58e80b0c9dd4ce700e02bc831", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekmore v1.0.0
[INFO] [stderr]    Compiling lox-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `peek_ahead` is never used
[INFO] [stdout]   --> src/source_iterator.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<T> SourceIterator<T>
[INFO] [stdout] 13 | |     where
[INFO] [stdout] 14 | |         T: Iterator<Item=char>,
[INFO] [stdout]    | |_______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |       pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "a9cf723b5a369ccf120af59b61c5881819b2f4a58e80b0c9dd4ce700e02bc831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cf723b5a369ccf120af59b61c5881819b2f4a58e80b0c9dd4ce700e02bc831", kill_on_drop: false }`
[INFO] [stdout] a9cf723b5a369ccf120af59b61c5881819b2f4a58e80b0c9dd4ce700e02bc831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ff95566c615553d4a185ebd5740b7562f7afb63f87e9fb2da5a3a55decf4789
[INFO] running `Command { std: "docker" "start" "-a" "7ff95566c615553d4a185ebd5740b7562f7afb63f87e9fb2da5a3a55decf4789", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `peek_ahead` is never used
[INFO] [stdout]   --> src/source_iterator.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<T> SourceIterator<T>
[INFO] [stdout] 13 | |     where
[INFO] [stdout] 14 | |         T: Iterator<Item=char>,
[INFO] [stdout]    | |_______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |       pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_ahead` is never used
[INFO] [stdout]   --> src/source_iterator.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<T> SourceIterator<T>
[INFO] [stdout] 13 | |     where
[INFO] [stdout] 14 | |         T: Iterator<Item=char>,
[INFO] [stdout]    | |_______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |       pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "7ff95566c615553d4a185ebd5740b7562f7afb63f87e9fb2da5a3a55decf4789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff95566c615553d4a185ebd5740b7562f7afb63f87e9fb2da5a3a55decf4789", kill_on_drop: false }`
[INFO] [stdout] 7ff95566c615553d4a185ebd5740b7562f7afb63f87e9fb2da5a3a55decf4789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05b9623f53244560ecc3c25f8312973d2c458e3f0d89d26a6f0d9c8bf58d1fd1
[INFO] running `Command { std: "docker" "start" "-a" "05b9623f53244560ecc3c25f8312973d2c458e3f0d89d26a6f0d9c8bf58d1fd1", kill_on_drop: false }`
[INFO] [stderr] warning: method `peek_ahead` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/source_iterator.rs:38:19
[INFO] [stdout] running 8 tests
[INFO] [stderr]    |
[INFO] [stderr] 12 | / impl<T> SourceIterator<T>
[INFO] [stderr] 13 | |     where
[INFO] [stderr] 14 | |         T: Iterator<Item=char>,
[INFO] [stderr]    | |_______________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |       pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lox-scanner` (lib) generated 1 warning
[INFO] [stderr] warning: `lox-scanner` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lox_scanner-2703bfc66d4e5149)
[INFO] [stdout] test source_iterator::tests::test_empty ... ok
[INFO] [stdout] test source_iterator::tests::test_single_char ... ok
[INFO] [stdout] test tests::test_single_char ... ok
[INFO] [stdout] test tests::test_string ... ok
[INFO] [stdout] test tests::test_unterminated_string ... ok
[INFO] [stdout] test tests::test_empty_source ... ok
[INFO] [stdout] test source_iterator::tests::test_two_chars ... ok
[INFO] [stdout] test tests::test_list_single_char_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/sample.rs (/opt/rustwide/target/debug/deps/sample-7b540e13d33eef79)
[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] [stderr]    Doc-tests lox_scanner
[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" "05b9623f53244560ecc3c25f8312973d2c458e3f0d89d26a6f0d9c8bf58d1fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b9623f53244560ecc3c25f8312973d2c458e3f0d89d26a6f0d9c8bf58d1fd1", kill_on_drop: false }`
[INFO] [stdout] 05b9623f53244560ecc3c25f8312973d2c458e3f0d89d26a6f0d9c8bf58d1fd1
