[INFO] fetching crate stepwise 0.0.3... [INFO] checking stepwise-0.0.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate stepwise 0.0.3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate stepwise 0.0.3 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate stepwise 0.0.3 [INFO] tweaked toml for crates.io crate stepwise 0.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stepwise 0.0.3 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 crates.io crate stepwise 0.0.3 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 90c4dd3d445b04ff0ccbcb6925f386ae063bb0441ece9a97f41c14a1d8fb4542 [INFO] running `Command { std: "docker" "start" "-a" "90c4dd3d445b04ff0ccbcb6925f386ae063bb0441ece9a97f41c14a1d8fb4542", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90c4dd3d445b04ff0ccbcb6925f386ae063bb0441ece9a97f41c14a1d8fb4542", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c4dd3d445b04ff0ccbcb6925f386ae063bb0441ece9a97f41c14a1d8fb4542", kill_on_drop: false }` [INFO] [stdout] 90c4dd3d445b04ff0ccbcb6925f386ae063bb0441ece9a97f41c14a1d8fb4542 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f74ae0baeb671f5359a053049b7caff17987dda24e161d3c0001ead9ab95e978 [INFO] running `Command { std: "docker" "start" "-a" "f74ae0baeb671f5359a053049b7caff17987dda24e161d3c0001ead9ab95e978", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling iai-callgrind-runner v0.14.0 [INFO] [stderr] Checking clap_builder v4.5.38 [INFO] [stderr] Checking anstream v0.6.18 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking jiff v0.2.13 [INFO] [stderr] Compiling iai-callgrind v0.14.0 [INFO] [stderr] Checking stepwise v0.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stdout] warning: enum `Progress` is never used [INFO] [stdout] --> src/drive/step.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) enum Progress { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/algos/bisection.rs:70:64 [INFO] [stdout] | [INFO] [stdout] 70 | Bisection::from_falliable_fn::<_, Infallible>(move |x| Ok(g(x)), range) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `stepwise` (lib) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f74ae0baeb671f5359a053049b7caff17987dda24e161d3c0001ead9ab95e978", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f74ae0baeb671f5359a053049b7caff17987dda24e161d3c0001ead9ab95e978", kill_on_drop: false }` [INFO] [stdout] f74ae0baeb671f5359a053049b7caff17987dda24e161d3c0001ead9ab95e978