[INFO] cloning repository https://github.com/peterthejohnston/loxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peterthejohnston/loxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50a0a6f0f836458901cb2747fd13c80668fb6e9c
[INFO] checking peterthejohnston/loxr against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterthejohnston%2Floxr" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterthejohnston/loxr on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peterthejohnston/loxr
[INFO] finished tweaking git repo https://github.com/peterthejohnston/loxr
[INFO] tweaked toml for git repo https://github.com/peterthejohnston/loxr written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/peterthejohnston/loxr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0045ddaeb6793f8f688aaf18cba95e0d54fed0e75886125f95604b166172765a
[INFO] running `Command { std: "docker" "start" "-a" "0045ddaeb6793f8f688aaf18cba95e0d54fed0e75886125f95604b166172765a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0045ddaeb6793f8f688aaf18cba95e0d54fed0e75886125f95604b166172765a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0045ddaeb6793f8f688aaf18cba95e0d54fed0e75886125f95604b166172765a", kill_on_drop: false }`
[INFO] [stdout] 0045ddaeb6793f8f688aaf18cba95e0d54fed0e75886125f95604b166172765a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c26b8b6a3669f85dfb6c2d3468efa3213707abcda6adbfea288f2ba5ef0619b
[INFO] running `Command { std: "docker" "start" "-a" "6c26b8b6a3669f85dfb6c2d3468efa3213707abcda6adbfea288f2ba5ef0619b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Tombstone`
[INFO] [stdout]   --> src/table.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Tombstone, // Marks deleted entries
[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: `delete`
[INFO] [stdout]    --> src/table.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn delete(&mut self, key: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STACK_MAX`
[INFO] [stdout]  --> src/vm.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_MAX: usize = 256;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STACK_MAX`
[INFO] [stdout]  --> src/vm.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const STACK_MAX: usize = 256;
[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 1.87s
[INFO] running `Command { std: "docker" "inspect" "6c26b8b6a3669f85dfb6c2d3468efa3213707abcda6adbfea288f2ba5ef0619b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c26b8b6a3669f85dfb6c2d3468efa3213707abcda6adbfea288f2ba5ef0619b", kill_on_drop: false }`
[INFO] [stdout] 6c26b8b6a3669f85dfb6c2d3468efa3213707abcda6adbfea288f2ba5ef0619b