[INFO] cloning repository https://github.com/LinusDikomey/temp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LinusDikomey/temp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusDikomey%2Ftemp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusDikomey%2Ftemp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f957ac49d4f70ff7cb06d7fff237417bdf550a19
[INFO] checking LinusDikomey/temp against try#c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6 for pr-145463
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinusDikomey%2Ftemp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LinusDikomey/temp
[INFO] finished tweaking git repo https://github.com/LinusDikomey/temp
[INFO] tweaked toml for git repo https://github.com/LinusDikomey/temp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LinusDikomey/temp on toolchain c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LinusDikomey/temp 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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64f5c248d6e3b73dbf60e564e39261266c55864ad1e5a0b799ecf3dbaf6f4b88
[INFO] running `Command { std: "docker" "start" "-a" "64f5c248d6e3b73dbf60e564e39261266c55864ad1e5a0b799ecf3dbaf6f4b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64f5c248d6e3b73dbf60e564e39261266c55864ad1e5a0b799ecf3dbaf6f4b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f5c248d6e3b73dbf60e564e39261266c55864ad1e5a0b799ecf3dbaf6f4b88", kill_on_drop: false }`
[INFO] [stdout] 64f5c248d6e3b73dbf60e564e39261266c55864ad1e5a0b799ecf3dbaf6f4b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2896d2e1debb21081a0328c81f698c63ee0730d0c6bc2b4067fe18a7e875edce
[INFO] running `Command { std: "docker" "start" "-a" "2896d2e1debb21081a0328c81f698c63ee0730d0c6bc2b4067fe18a7e875edce", kill_on_drop: false }`
[INFO] [stderr]     Checking temp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]  --> src/error.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Errors {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     pub errors: Vec<Error>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]  --> src/error.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Errors {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 4 |     pub errors: Vec<Error>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ast` and `errors` are never read
[INFO] [stdout]   --> src/parser.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Parser<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 35 |     lexer: Lexer<'a>,
[INFO] [stdout] 36 |     ast: &'a mut Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     errors: &'a mut Errors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ast` and `errors` are never read
[INFO] [stdout]   --> src/parser.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Parser<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 35 |     lexer: Lexer<'a>,
[INFO] [stdout] 36 |     ast: &'a mut Ast,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     errors: &'a mut Errors,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `new_line` is never read
[INFO] [stdout]  --> src/parser/lexer.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub new_line: bool,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `new_line` is never read
[INFO] [stdout]  --> src/parser/lexer.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub new_line: bool,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "2896d2e1debb21081a0328c81f698c63ee0730d0c6bc2b4067fe18a7e875edce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2896d2e1debb21081a0328c81f698c63ee0730d0c6bc2b4067fe18a7e875edce", kill_on_drop: false }`
[INFO] [stdout] 2896d2e1debb21081a0328c81f698c63ee0730d0c6bc2b4067fe18a7e875edce