[INFO] cloning repository https://github.com/jchubbard/spartan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jchubbard/spartan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchubbard%2Fspartan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchubbard%2Fspartan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 067b090230cbd96871888c376b2e4fbd40088ad0
[INFO] testing jchubbard/spartan against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchubbard%2Fspartan" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jchubbard/spartan 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 git repo https://github.com/jchubbard/spartan
[INFO] finished tweaking git repo https://github.com/jchubbard/spartan
[INFO] tweaked toml for git repo https://github.com/jchubbard/spartan written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/jchubbard/spartan 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] [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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] c900d06a06dcd4669e638719b7b3b20855bfaeaef21a1e1920d5425a6644733d
[INFO] running `Command { std: "docker" "start" "-a" "c900d06a06dcd4669e638719b7b3b20855bfaeaef21a1e1920d5425a6644733d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c900d06a06dcd4669e638719b7b3b20855bfaeaef21a1e1920d5425a6644733d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c900d06a06dcd4669e638719b7b3b20855bfaeaef21a1e1920d5425a6644733d", kill_on_drop: false }`
[INFO] [stdout] c900d06a06dcd4669e638719b7b3b20855bfaeaef21a1e1920d5425a6644733d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 055b5914171c8e35e9f8a739fc38cb6e478482e8ac0b546d56228e11ba53cf3b
[INFO] running `Command { std: "docker" "start" "-a" "055b5914171c8e35e9f8a739fc38cb6e478482e8ac0b546d56228e11ba53cf3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spartan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> lexer/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let buffer = String::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> lexer/lib.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Ok(l) => {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> lexer/token.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     stream: Vec<Token<'a>>
[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 28.73s
[INFO] running `Command { std: "docker" "inspect" "055b5914171c8e35e9f8a739fc38cb6e478482e8ac0b546d56228e11ba53cf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055b5914171c8e35e9f8a739fc38cb6e478482e8ac0b546d56228e11ba53cf3b", kill_on_drop: false }`
[INFO] [stdout] 055b5914171c8e35e9f8a739fc38cb6e478482e8ac0b546d56228e11ba53cf3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] a080e8e67f9864a233294a266fa2f41735973ffa94259d23c44877b3e4deee47
[INFO] running `Command { std: "docker" "start" "-a" "a080e8e67f9864a233294a266fa2f41735973ffa94259d23c44877b3e4deee47", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> lexer/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let buffer = String::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling spartan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> lexer/lib.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Ok(l) => {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> lexer/token.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     stream: Vec<Token<'a>>
[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] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> lexer/lib.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let buffer = String::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> lexer/lib.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Ok(l) => {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> lexer/token.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     stream: Vec<Token<'a>>
[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 0.44s
[INFO] running `Command { std: "docker" "inspect" "a080e8e67f9864a233294a266fa2f41735973ffa94259d23c44877b3e4deee47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a080e8e67f9864a233294a266fa2f41735973ffa94259d23c44877b3e4deee47", kill_on_drop: false }`
[INFO] [stdout] a080e8e67f9864a233294a266fa2f41735973ffa94259d23c44877b3e4deee47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] f12ca12d1b05fe2b5c9798056196ef4974f4e25c40797eb800545260ae378872
[INFO] running `Command { std: "docker" "start" "-a" "f12ca12d1b05fe2b5c9798056196ef4974f4e25c40797eb800545260ae378872", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> lexer/lib.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let buffer = String::new();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> lexer/lib.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |             Ok(l) => {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stream`
[INFO] [stderr]   --> lexer/token.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     stream: Vec<Token<'a>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spartan` (lib) generated 3 warnings
[INFO] [stderr] warning: `spartan` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lexer-23a1ac3e96c88ae2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lexer
[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" "f12ca12d1b05fe2b5c9798056196ef4974f4e25c40797eb800545260ae378872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12ca12d1b05fe2b5c9798056196ef4974f4e25c40797eb800545260ae378872", kill_on_drop: false }`
[INFO] [stdout] f12ca12d1b05fe2b5c9798056196ef4974f4e25c40797eb800545260ae378872