[INFO] cloning repository https://github.com/sebdeveloper6952/rust-lexical-analyzer-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebdeveloper6952/rust-lexical-analyzer-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebdeveloper6952%2Frust-lexical-analyzer-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebdeveloper6952%2Frust-lexical-analyzer-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 402970cc277a93f809a02b54fee449fb4e82b00c
[INFO] testing sebdeveloper6952/rust-lexical-analyzer-generator against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebdeveloper6952%2Frust-lexical-analyzer-generator" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebdeveloper6952/rust-lexical-analyzer-generator on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebdeveloper6952/rust-lexical-analyzer-generator
[INFO] finished tweaking git repo https://github.com/sebdeveloper6952/rust-lexical-analyzer-generator
[INFO] tweaked toml for git repo https://github.com/sebdeveloper6952/rust-lexical-analyzer-generator written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/sebdeveloper6952/rust-lexical-analyzer-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97dc784baa90f31c8d3af27dddf9cf3f75828ff4878f890bd857d3727bc5cb83
[INFO] running `Command { std: "docker" "start" "-a" "97dc784baa90f31c8d3af27dddf9cf3f75828ff4878f890bd857d3727bc5cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97dc784baa90f31c8d3af27dddf9cf3f75828ff4878f890bd857d3727bc5cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97dc784baa90f31c8d3af27dddf9cf3f75828ff4878f890bd857d3727bc5cb83", kill_on_drop: false }`
[INFO] [stdout] 97dc784baa90f31c8d3af27dddf9cf3f75828ff4878f890bd857d3727bc5cb83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f2ba039a0b9267e92c13084404390dcff5074eee0c8c8cf9cadc7887a312b52
[INFO] running `Command { std: "docker" "start" "-a" "6f2ba039a0b9267e92c13084404390dcff5074eee0c8c8cf9cadc7887a312b52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rust-lexical-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/main.rs:453:17
[INFO] [stdout]     |
[INFO] [stdout] 453 |         let mut n = Node::new(top_op, 0, false);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first_time` is never read
[INFO] [stdout]     --> src/main.rs:1066:13
[INFO] [stdout]      |
[INFO] [stdout] 1066 |             first_time = false;
[INFO] [stdout]      |             ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `symbol`
[INFO] [stdout]    --> src/main.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     symbol: char,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.57s
[INFO] running `Command { std: "docker" "inspect" "6f2ba039a0b9267e92c13084404390dcff5074eee0c8c8cf9cadc7887a312b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2ba039a0b9267e92c13084404390dcff5074eee0c8c8cf9cadc7887a312b52", kill_on_drop: false }`
[INFO] [stdout] 6f2ba039a0b9267e92c13084404390dcff5074eee0c8c8cf9cadc7887a312b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35833c4a36d73a9b0b0688a70991d3adc85554d01f6011b37aaf8c5129136230
[INFO] running `Command { std: "docker" "start" "-a" "35833c4a36d73a9b0b0688a70991d3adc85554d01f6011b37aaf8c5129136230", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-lexical-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/main.rs:453:17
[INFO] [stdout]     |
[INFO] [stdout] 453 |         let mut n = Node::new(top_op, 0, false);
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first_time` is never read
[INFO] [stdout]     --> src/main.rs:1066:13
[INFO] [stdout]      |
[INFO] [stdout] 1066 |             first_time = false;
[INFO] [stdout]      |             ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `symbol`
[INFO] [stdout]    --> src/main.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     symbol: char,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "35833c4a36d73a9b0b0688a70991d3adc85554d01f6011b37aaf8c5129136230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35833c4a36d73a9b0b0688a70991d3adc85554d01f6011b37aaf8c5129136230", kill_on_drop: false }`
[INFO] [stdout] 35833c4a36d73a9b0b0688a70991d3adc85554d01f6011b37aaf8c5129136230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 284cc1dffc85367e59ad774db06f3fd0d1e336efae515478cd7f02947aabe992
[INFO] running `Command { std: "docker" "start" "-a" "284cc1dffc85367e59ad774db06f3fd0d1e336efae515478cd7f02947aabe992", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `n` is never read
[INFO] [stderr]    --> src/main.rs:453:17
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let mut n = Node::new(top_op, 0, false);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `first_time` is never read
[INFO] [stderr]     --> src/main.rs:1066:13
[INFO] [stderr]      |
[INFO] [stderr] 1066 |             first_time = false;
[INFO] [stderr]      |             ^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `symbol`
[INFO] [stderr]    --> src/main.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     symbol: char,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-lexical-analyzer` (bin "rust-lexical-analyzer" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_lexical_analyzer-04df8641f92bb87d)
[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" "284cc1dffc85367e59ad774db06f3fd0d1e336efae515478cd7f02947aabe992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284cc1dffc85367e59ad774db06f3fd0d1e336efae515478cd7f02947aabe992", kill_on_drop: false }`
[INFO] [stdout] 284cc1dffc85367e59ad774db06f3fd0d1e336efae515478cd7f02947aabe992