[INFO] cloning repository https://github.com/kboruff1966/scanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kboruff1966/scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkboruff1966%2Fscanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkboruff1966%2Fscanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceb8f3f90719321dba2a413cf4bd0eb87d3fd0c0
[INFO] testing kboruff1966/scanner against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkboruff1966%2Fscanner" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kboruff1966/scanner on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kboruff1966/scanner
[INFO] finished tweaking git repo https://github.com/kboruff1966/scanner
[INFO] tweaked toml for git repo https://github.com/kboruff1966/scanner written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/kboruff1966/scanner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b634ebabdefd933042575dd8e3a0a9c2048a987c0ceba4ae45b1cd123744782
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b634ebabdefd933042575dd8e3a0a9c2048a987c0ceba4ae45b1cd123744782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b634ebabdefd933042575dd8e3a0a9c2048a987c0ceba4ae45b1cd123744782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b634ebabdefd933042575dd8e3a0a9c2048a987c0ceba4ae45b1cd123744782", kill_on_drop: false }`
[INFO] [stdout] 1b634ebabdefd933042575dd8e3a0a9c2048a987c0ceba4ae45b1cd123744782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 647c9821e0868e6cda5c2b8243d11848b7677890c4268bb869300a4221b7b45d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "647c9821e0868e6cda5c2b8243d11848b7677890c4268bb869300a4221b7b45d", kill_on_drop: false }`
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     False,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `For`
[INFO] [stdout]  --> src/lexer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     For,
[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 1.38s
[INFO] running `Command { std: "docker" "inspect" "647c9821e0868e6cda5c2b8243d11848b7677890c4268bb869300a4221b7b45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647c9821e0868e6cda5c2b8243d11848b7677890c4268bb869300a4221b7b45d", kill_on_drop: false }`
[INFO] [stdout] 647c9821e0868e6cda5c2b8243d11848b7677890c4268bb869300a4221b7b45d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b85f869231d43aacadcf65c1c36e1939755f4077c13e7cfbd9968361b963f9a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b85f869231d43aacadcf65c1c36e1939755f4077c13e7cfbd9968361b963f9a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/lexer.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |         for token in expected_tokens.iter() {}
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple`
[INFO] [stdout]    --> src/lexer.rs:385:13
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let tuple = (TokenKind::Identifier("C".to_string()), 1);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     False,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `For`
[INFO] [stdout]  --> src/lexer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     For,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b85f869231d43aacadcf65c1c36e1939755f4077c13e7cfbd9968361b963f9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85f869231d43aacadcf65c1c36e1939755f4077c13e7cfbd9968361b963f9a2", kill_on_drop: false }`
[INFO] [stdout] b85f869231d43aacadcf65c1c36e1939755f4077c13e7cfbd9968361b963f9a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba3875b238c108e2e1daae311b4c8961f90d89bf765cc0167bd2b7cf2f48585a
[INFO] running `Command { std: "docker" "start" "-a" "ba3875b238c108e2e1daae311b4c8961f90d89bf765cc0167bd2b7cf2f48585a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/lexer.rs:336:13
[INFO] [stderr]     |
[INFO] [stderr] 336 |         for token in expected_tokens.iter() {}
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tuple`
[INFO] [stderr]    --> src/lexer.rs:385:13
[INFO] [stderr]     |
[INFO] [stderr] 385 |         let tuple = (TokenKind::Identifier("C".to_string()), 1);
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]  --> src/lexer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     False,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `For`
[INFO] [stderr]  --> src/lexer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     For,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `scanner` (bin "scanner" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scanner-c15c644d6c819c48)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test lexer::lexer_tests::keyword_test ... ok
[INFO] [stdout] test lexer::lexer_tests::next_token_test ... ok
[INFO] [stdout] test lexer::lexer_tests::tokenize_number_test ... ok
[INFO] [stdout] test lexer::lexer_tests::relops_test ... ok
[INFO] [stdout] test lexer::lexer_tests::skip_test ... ok
[INFO] [stdout] test lexer::lexer_tests::tokenize_identifier_test ... ok
[INFO] [stdout] test lexer::lexer_tests::skip_comment_test ... ok
[INFO] [stdout] test lexer::lexer_tests::skip_whitespace_test ... 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] running `Command { std: "docker" "inspect" "ba3875b238c108e2e1daae311b4c8961f90d89bf765cc0167bd2b7cf2f48585a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3875b238c108e2e1daae311b4c8961f90d89bf765cc0167bd2b7cf2f48585a", kill_on_drop: false }`
[INFO] [stdout] ba3875b238c108e2e1daae311b4c8961f90d89bf765cc0167bd2b7cf2f48585a