[INFO] fetching crate lox-scanner 0.0.2... [INFO] testing lox-scanner-0.0.2 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate lox-scanner 0.0.2 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate lox-scanner 0.0.2 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 lox-scanner 0.0.2 [INFO] finished tweaking crates.io crate lox-scanner 0.0.2 [INFO] tweaked toml for crates.io crate lox-scanner 0.0.2 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate lox-scanner 0.0.2 already has a lockfile, it will not be regenerated [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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 18e02cedf4ada607e868a7d2637edc983a30e69387efe71f16f52fffcc0a2b91 [INFO] running `Command { std: "docker" "start" "-a" "18e02cedf4ada607e868a7d2637edc983a30e69387efe71f16f52fffcc0a2b91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18e02cedf4ada607e868a7d2637edc983a30e69387efe71f16f52fffcc0a2b91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18e02cedf4ada607e868a7d2637edc983a30e69387efe71f16f52fffcc0a2b91", kill_on_drop: false }` [INFO] [stdout] 18e02cedf4ada607e868a7d2637edc983a30e69387efe71f16f52fffcc0a2b91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 89318bb2961d638c776388c261c6cc544cffec85bf5c3c10f39bb23875a459a3 [INFO] running `Command { std: "docker" "start" "-a" "89318bb2961d638c776388c261c6cc544cffec85bf5c3c10f39bb23875a459a3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling lox-scanner v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `peek_ahead` [INFO] [stdout] --> src/source_iterator.rs:56:19 [INFO] [stdout] | [INFO] [stdout] 56 | 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: associated function is never used: `current_line` [INFO] [stdout] --> src/source_iterator.rs:60:19 [INFO] [stdout] | [INFO] [stdout] 60 | pub(crate) fn current_line(&self) -> usize { [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 1.57s [INFO] running `Command { std: "docker" "inspect" "89318bb2961d638c776388c261c6cc544cffec85bf5c3c10f39bb23875a459a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89318bb2961d638c776388c261c6cc544cffec85bf5c3c10f39bb23875a459a3", kill_on_drop: false }` [INFO] [stdout] 89318bb2961d638c776388c261c6cc544cffec85bf5c3c10f39bb23875a459a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e25515c170e95312b4a5bb635ffaf987dd6bed9b90d3dc20375400e003529bae [INFO] running `Command { std: "docker" "start" "-a" "e25515c170e95312b4a5bb635ffaf987dd6bed9b90d3dc20375400e003529bae", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: associated function is never used: `peek_ahead` [INFO] [stdout] --> src/source_iterator.rs:56:19 [INFO] [stdout] | [INFO] [stdout] 56 | 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] [stderr] Compiling lox-scanner v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `current_line` [INFO] [stdout] --> src/source_iterator.rs:60:19 [INFO] [stdout] | [INFO] [stdout] 60 | pub(crate) fn current_line(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:202:13 [INFO] [stdout] | [INFO] [stdout] 202 | let mut scanner = Scanner::from_str(source); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_ahead` [INFO] [stdout] --> src/source_iterator.rs:56:19 [INFO] [stdout] | [INFO] [stdout] 56 | 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: associated function is never used: `current_line` [INFO] [stdout] --> src/source_iterator.rs:60:19 [INFO] [stdout] | [INFO] [stdout] 60 | pub(crate) fn current_line(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "e25515c170e95312b4a5bb635ffaf987dd6bed9b90d3dc20375400e003529bae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e25515c170e95312b4a5bb635ffaf987dd6bed9b90d3dc20375400e003529bae", kill_on_drop: false }` [INFO] [stdout] e25515c170e95312b4a5bb635ffaf987dd6bed9b90d3dc20375400e003529bae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9081a95237779a54cd42bd16e408a577b601b3e05b0e116e736a3fa38b14b593 [INFO] running `Command { std: "docker" "start" "-a" "9081a95237779a54cd42bd16e408a577b601b3e05b0e116e736a3fa38b14b593", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `peek_ahead` [INFO] [stderr] --> src/source_iterator.rs:56:19 [INFO] [stderr] | [INFO] [stderr] 56 | 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: associated function is never used: `current_line` [INFO] [stderr] --> src/source_iterator.rs:60:19 [INFO] [stderr] | [INFO] [stderr] 60 | pub(crate) fn current_line(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `lox-scanner` (lib) generated 2 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:202:13 [INFO] [stderr] | [INFO] [stderr] 202 | let mut scanner = Scanner::from_str(source); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `lox-scanner` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lox_scanner-22244f1a5e25fd92) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test source_iterator::tests::test_empty ... 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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sample-4d0a5ce2e598e104) [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 source_iterator::tests::test_two_chars ... 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] 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] [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" "9081a95237779a54cd42bd16e408a577b601b3e05b0e116e736a3fa38b14b593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9081a95237779a54cd42bd16e408a577b601b3e05b0e116e736a3fa38b14b593", kill_on_drop: false }` [INFO] [stdout] 9081a95237779a54cd42bd16e408a577b601b3e05b0e116e736a3fa38b14b593