[INFO] cloning repository https://github.com/charlesdunbar/crafting-interpreters-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlesdunbar/crafting-interpreters-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesdunbar%2Fcrafting-interpreters-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesdunbar%2Fcrafting-interpreters-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0ed760c3f0aaf378dac320ff39a237ef4c73bb
[INFO] testing charlesdunbar/crafting-interpreters-rust against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesdunbar%2Fcrafting-interpreters-rust" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charlesdunbar/crafting-interpreters-rust on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charlesdunbar/crafting-interpreters-rust
[INFO] finished tweaking git repo https://github.com/charlesdunbar/crafting-interpreters-rust
[INFO] tweaked toml for git repo https://github.com/charlesdunbar/crafting-interpreters-rust written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/charlesdunbar/crafting-interpreters-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320ee7862ec760b6580ad685c073518a23a29258706065eaaeea63f30814805f
[INFO] running `Command { std: "docker" "start" "-a" "320ee7862ec760b6580ad685c073518a23a29258706065eaaeea63f30814805f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320ee7862ec760b6580ad685c073518a23a29258706065eaaeea63f30814805f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320ee7862ec760b6580ad685c073518a23a29258706065eaaeea63f30814805f", kill_on_drop: false }`
[INFO] [stdout] 320ee7862ec760b6580ad685c073518a23a29258706065eaaeea63f30814805f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 145baa0fc588eaee0f627c5e52a17ef5d7c03bf8fdbae30e85faaf79a4a2c522
[INFO] running `Command { std: "docker" "start" "-a" "145baa0fc588eaee0f627c5e52a17ef5d7c03bf8fdbae30e85faaf79a4a2c522", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     line: usize,
[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 29.64s
[INFO] running `Command { std: "docker" "inspect" "145baa0fc588eaee0f627c5e52a17ef5d7c03bf8fdbae30e85faaf79a4a2c522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145baa0fc588eaee0f627c5e52a17ef5d7c03bf8fdbae30e85faaf79a4a2c522", kill_on_drop: false }`
[INFO] [stdout] 145baa0fc588eaee0f627c5e52a17ef5d7c03bf8fdbae30e85faaf79a4a2c522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5aadfa76c77d898aed4c1348fead87189e93efda09964c585d74023cc6c3f7
[INFO] running `Command { std: "docker" "start" "-a" "bf5aadfa76c77d898aed4c1348fead87189e93efda09964c585d74023cc6c3f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     line: usize,
[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 7.42s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/jlox-f7496121674fb983)
[INFO] running `Command { std: "docker" "inspect" "bf5aadfa76c77d898aed4c1348fead87189e93efda09964c585d74023cc6c3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5aadfa76c77d898aed4c1348fead87189e93efda09964c585d74023cc6c3f7", kill_on_drop: false }`
[INFO] [stdout] bf5aadfa76c77d898aed4c1348fead87189e93efda09964c585d74023cc6c3f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9979ab3bd694a3a3ea1444ce228e6a04023fd894419de11543a79b0dc4ad51f
[INFO] running `Command { std: "docker" "start" "-a" "e9979ab3bd694a3a3ea1444ce228e6a04023fd894419de11543a79b0dc4ad51f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stdout] 
[INFO] [stderr]   --> src/token.rs:21:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 21 |     line: usize,
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jlox` (bin "jlox" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.96s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jlox-f7496121674fb983)
[INFO] running `Command { std: "docker" "inspect" "e9979ab3bd694a3a3ea1444ce228e6a04023fd894419de11543a79b0dc4ad51f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9979ab3bd694a3a3ea1444ce228e6a04023fd894419de11543a79b0dc4ad51f", kill_on_drop: false }`
[INFO] [stdout] e9979ab3bd694a3a3ea1444ce228e6a04023fd894419de11543a79b0dc4ad51f