[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/a49db2a2d0bf6471e5987ee5fc91eeff2ca815a1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalkcyon%2Flox-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Halkcyon/lox-rs on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 020ecef411c8aafe3a231748179b026dfa1e44a0601d0f2b337f04e729ff7d79
[INFO] running `Command { std: "docker" "start" "-a" "020ecef411c8aafe3a231748179b026dfa1e44a0601d0f2b337f04e729ff7d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020ecef411c8aafe3a231748179b026dfa1e44a0601d0f2b337f04e729ff7d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020ecef411c8aafe3a231748179b026dfa1e44a0601d0f2b337f04e729ff7d79", kill_on_drop: false }`
[INFO] [stdout] 020ecef411c8aafe3a231748179b026dfa1e44a0601d0f2b337f04e729ff7d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1415edac62eb90eb51544e54826ab2df7d3625a882c6a64a53d61ec3a0769cc4
[INFO] running `Command { std: "docker" "start" "-a" "1415edac62eb90eb51544e54826ab2df7d3625a882c6a64a53d61ec3a0769cc4", 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[E0596]: cannot borrow `scanner` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/main.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let tokens = scanner.scan_tokens();
[INFO] [stdout]     |                      ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let mut scanner = Scanner::new(source);
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `scanner` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/main.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let tokens = scanner.scan_tokens();
[INFO] [stdout]     |                      ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let mut scanner = Scanner::new(source);
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lox` (bin "lox" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lox` (bin "lox") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1415edac62eb90eb51544e54826ab2df7d3625a882c6a64a53d61ec3a0769cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1415edac62eb90eb51544e54826ab2df7d3625a882c6a64a53d61ec3a0769cc4", kill_on_drop: false }`
[INFO] [stdout] 1415edac62eb90eb51544e54826ab2df7d3625a882c6a64a53d61ec3a0769cc4