[INFO] fetching crate lox-scanner 0.1.0...
[INFO] testing lox-scanner-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate lox-scanner 0.1.0 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate lox-scanner 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-58/source/Cargo.toml
[INFO] crate crates.io crate lox-scanner 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6cabf468794bd8c986f35fb568cad006166145f27ab01e34d6524c65a2fa26
[INFO] running `Command { std: "docker" "start" "-a" "ac6cabf468794bd8c986f35fb568cad006166145f27ab01e34d6524c65a2fa26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6cabf468794bd8c986f35fb568cad006166145f27ab01e34d6524c65a2fa26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6cabf468794bd8c986f35fb568cad006166145f27ab01e34d6524c65a2fa26", kill_on_drop: false }`
[INFO] [stdout] ac6cabf468794bd8c986f35fb568cad006166145f27ab01e34d6524c65a2fa26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa0f41a808c0d353fb8b099ee6723428916737ec661b77b5f0df1a41d0ede929
[INFO] running `Command { std: "docker" "start" "-a" "aa0f41a808c0d353fb8b099ee6723428916737ec661b77b5f0df1a41d0ede929", 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: associated function is never used: `peek_ahead`
[INFO] [stdout]   --> src/source_iterator.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "aa0f41a808c0d353fb8b099ee6723428916737ec661b77b5f0df1a41d0ede929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0f41a808c0d353fb8b099ee6723428916737ec661b77b5f0df1a41d0ede929", kill_on_drop: false }`
[INFO] [stdout] aa0f41a808c0d353fb8b099ee6723428916737ec661b77b5f0df1a41d0ede929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c1d0b304e12bb6f87b58c5bfa6c8476f1669575bf3d8a885e07b3f3b5cb389d
[INFO] running `Command { std: "docker" "start" "-a" "9c1d0b304e12bb6f87b58c5bfa6c8476f1669575bf3d8a885e07b3f3b5cb389d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `peek_ahead`
[INFO] [stdout]   --> src/source_iterator.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_ahead`
[INFO] [stdout]   --> src/source_iterator.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "9c1d0b304e12bb6f87b58c5bfa6c8476f1669575bf3d8a885e07b3f3b5cb389d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1d0b304e12bb6f87b58c5bfa6c8476f1669575bf3d8a885e07b3f3b5cb389d", kill_on_drop: false }`
[INFO] [stdout] 9c1d0b304e12bb6f87b58c5bfa6c8476f1669575bf3d8a885e07b3f3b5cb389d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 674b72403d5bc5255ddce9d778ac6a3b77371bb1ccb817d64c49bd2111d73718
[INFO] running `Command { std: "docker" "start" "-a" "674b72403d5bc5255ddce9d778ac6a3b77371bb1ccb817d64c49bd2111d73718", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `peek_ahead`
[INFO] [stderr]   --> src/source_iterator.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub(crate) fn peek_ahead(&mut self) -> Option<&char> {
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` 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 [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox_scanner-0cc074ac323c9665)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test source_iterator::tests::test_empty ... ok
[INFO] [stdout] test source_iterator::tests::test_two_chars ... ok
[INFO] [stdout] test source_iterator::tests::test_single_char ... ok
[INFO] [stdout] test tests::test_empty_source ... ok
[INFO] [stdout] test tests::test_list_single_char_tokens ... ok
[INFO] [stdout] test tests::test_single_char ... ok
[INFO] [stdout] test tests::test_unterminated_string ... ok
[INFO] [stdout] test tests::test_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sample-9dfdd3b34ac8d13e)
[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" "674b72403d5bc5255ddce9d778ac6a3b77371bb1ccb817d64c49bd2111d73718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674b72403d5bc5255ddce9d778ac6a3b77371bb1ccb817d64c49bd2111d73718", kill_on_drop: false }`
[INFO] [stdout] 674b72403d5bc5255ddce9d778ac6a3b77371bb1ccb817d64c49bd2111d73718