[INFO] cloning repository https://github.com/DavidAntliff/writing-a-c-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavidAntliff/writing-a-c-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidAntliff%2Fwriting-a-c-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidAntliff%2Fwriting-a-c-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d37195690085c82076bef5903cff4b01776fb6d
[INFO] checking DavidAntliff/writing-a-c-compiler against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidAntliff%2Fwriting-a-c-compiler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DavidAntliff/writing-a-c-compiler
[INFO] finished tweaking git repo https://github.com/DavidAntliff/writing-a-c-compiler
[INFO] tweaked toml for git repo https://github.com/DavidAntliff/writing-a-c-compiler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DavidAntliff/writing-a-c-compiler on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DavidAntliff/writing-a-c-compiler 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d440d0caf0a400cc052deec1d7018eb6d36e242f789ade1455390ced2ead8aa
[INFO] running `Command { std: "docker" "start" "-a" "0d440d0caf0a400cc052deec1d7018eb6d36e242f789ade1455390ced2ead8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d440d0caf0a400cc052deec1d7018eb6d36e242f789ade1455390ced2ead8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d440d0caf0a400cc052deec1d7018eb6d36e242f789ade1455390ced2ead8aa", kill_on_drop: false }`
[INFO] [stdout] 0d440d0caf0a400cc052deec1d7018eb6d36e242f789ade1455390ced2ead8aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b57abcacb8e9c884b09f65593b627c3964b490447089c4107769caee15e7e1
[INFO] running `Command { std: "docker" "start" "-a" "a4b57abcacb8e9c884b09f65593b627c3964b490447089c4107769caee15e7e1", kill_on_drop: false }`
[INFO] [stderr]     Checking jiff v0.2.12
[INFO] [stderr]     Checking winnow v0.7.9
[INFO] [stderr]     Checking line-numbers v0.4.0
[INFO] [stderr]     Checking assertables v9.8.0
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]     Checking pcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, !>, std::string::String>
[INFO] [stdout]   --> src/compile.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |       let input = pcc::read_input(&cli.input).map_err(|e| {
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 82 | |         log::error!("Error reading input file: {e}");
[INFO] [stdout] 83 | |         std::process::exit(1);
[INFO] [stdout] 84 | |     })?;
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, !>
[INFO] [stdout]   --> src/compile.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |       let input = pcc::read_input(&cli.input).map_err(|e| {
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 82 | |         log::error!("Error reading input file: {e}");
[INFO] [stdout] 83 | |         std::process::exit(1);
[INFO] [stdout] 84 | |     })?;
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, !>, std::string::String>
[INFO] [stdout]   --> src/compile.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |       let input = pcc::read_input(&cli.input).map_err(|e| {
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 82 | |         log::error!("Error reading input file: {e}");
[INFO] [stdout] 83 | |         std::process::exit(1);
[INFO] [stdout] 84 | |     })?;
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, !>
[INFO] [stdout]   --> src/compile.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |       let input = pcc::read_input(&cli.input).map_err(|e| {
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 82 | |         log::error!("Error reading input file: {e}");
[INFO] [stdout] 83 | |         std::process::exit(1);
[INFO] [stdout] 84 | |     })?;
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pcc` (bin "compile" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pcc` (bin "compile") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a4b57abcacb8e9c884b09f65593b627c3964b490447089c4107769caee15e7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b57abcacb8e9c884b09f65593b627c3964b490447089c4107769caee15e7e1", kill_on_drop: false }`
[INFO] [stdout] a4b57abcacb8e9c884b09f65593b627c3964b490447089c4107769caee15e7e1