[INFO] fetching crate mack 1.4.1... [INFO] checking mack-1.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate mack 1.4.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate mack 1.4.1 [INFO] finished tweaking crates.io crate mack 1.4.1 [INFO] tweaked toml for crates.io crate mack 1.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mack 1.4.1 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 mack 1.4.1 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] [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3bd5e4c907ab9f83ed21f0b5e1f10d8ef5b4300d1b0e9c479704c14ebb3ac41b [INFO] running `Command { std: "docker" "start" "-a" "3bd5e4c907ab9f83ed21f0b5e1f10d8ef5b4300d1b0e9c479704c14ebb3ac41b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bd5e4c907ab9f83ed21f0b5e1f10d8ef5b4300d1b0e9c479704c14ebb3ac41b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bd5e4c907ab9f83ed21f0b5e1f10d8ef5b4300d1b0e9c479704c14ebb3ac41b", kill_on_drop: false }` [INFO] [stdout] 3bd5e4c907ab9f83ed21f0b5e1f10d8ef5b4300d1b0e9c479704c14ebb3ac41b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8484011b5d32f67335dbd61c462c84a8762e9d7d3a6b93213a2bbe35f4c54511 [INFO] running `Command { std: "docker" "start" "-a" "8484011b5d32f67335dbd61c462c84a8762e9d7d3a6b93213a2bbe35f4c54511", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.83 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling smartstring v1.0.1 [INFO] [stderr] Checking miniz_oxide v0.7.3 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking flate2 v1.0.30 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking id3 v1.13.1 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking cow-utils v0.1.3 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking jwalk v0.8.1 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking funcfmt v0.3.0 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking mack v1.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i32> [INFO] [stdout] --> src/rename.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | let xdev_err_cast = xdev_err.try_into()?; [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 [INFO] [stdout] --> src/rename.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | let xdev_err_cast = xdev_err.try_into()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mack` (bin "mack") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: ControlFlow, i32> [INFO] [stdout] --> src/rename.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | let xdev_err_cast = xdev_err.try_into()?; [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 [INFO] [stdout] --> src/rename.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | let xdev_err_cast = xdev_err.try_into()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mack` (bin "mack" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "8484011b5d32f67335dbd61c462c84a8762e9d7d3a6b93213a2bbe35f4c54511", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8484011b5d32f67335dbd61c462c84a8762e9d7d3a6b93213a2bbe35f4c54511", kill_on_drop: false }` [INFO] [stdout] 8484011b5d32f67335dbd61c462c84a8762e9d7d3a6b93213a2bbe35f4c54511