[INFO] cloning repository https://github.com/Halkcyon/lox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Halkcyon/lox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalkcyon%2Flox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalkcyon%2Flox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a49db2a2d0bf6471e5987ee5fc91eeff2ca815a1
[INFO] checking Halkcyon/lox-rs against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalkcyon%2Flox-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Halkcyon/lox-rs on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Halkcyon/lox-rs
[INFO] finished tweaking git repo https://github.com/Halkcyon/lox-rs
[INFO] tweaked toml for git repo https://github.com/Halkcyon/lox-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Halkcyon/lox-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60e6bb3d9283442f5b8bb518b88c4f7dd2ccc893c217fbe0922a2013bc13236f
[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" "60e6bb3d9283442f5b8bb518b88c4f7dd2ccc893c217fbe0922a2013bc13236f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60e6bb3d9283442f5b8bb518b88c4f7dd2ccc893c217fbe0922a2013bc13236f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e6bb3d9283442f5b8bb518b88c4f7dd2ccc893c217fbe0922a2013bc13236f", kill_on_drop: false }`
[INFO] [stdout] 60e6bb3d9283442f5b8bb518b88c4f7dd2ccc893c217fbe0922a2013bc13236f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd0760eb43f92c50728e096ea291fbfe3ee759e7946f630c20e198cb9c96b3c
[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" "3cd0760eb43f92c50728e096ea291fbfe3ee759e7946f630c20e198cb9c96b3c", kill_on_drop: false }`
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `add_token` found for mutable reference `&mut Scanner` in the current scope
[INFO] [stdout]   --> src/main.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |             '(' => self.add_token(TokenKind::LParen),
[INFO] [stdout]    |                         ^^^^^^^^^ method not found in `&mut Scanner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `add_token` found for mutable reference `&mut Scanner` in the current scope
[INFO] [stdout]   --> src/main.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |             '(' => self.add_token(TokenKind::LParen),
[INFO] [stdout]    |                         ^^^^^^^^^ method not found in `&mut Scanner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3cd0760eb43f92c50728e096ea291fbfe3ee759e7946f630c20e198cb9c96b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd0760eb43f92c50728e096ea291fbfe3ee759e7946f630c20e198cb9c96b3c", kill_on_drop: false }`
[INFO] [stdout] 3cd0760eb43f92c50728e096ea291fbfe3ee759e7946f630c20e198cb9c96b3c