[INFO] fetching crate newdoku 0.6.1... [INFO] checking newdoku-0.6.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate newdoku 0.6.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate newdoku 0.6.1 [INFO] finished tweaking crates.io crate newdoku 0.6.1 [INFO] tweaked toml for crates.io crate newdoku 0.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate newdoku 0.6.1 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 newdoku 0.6.1 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] 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] 8cce23e59df9c9e55225ff9de139987aec68115962ec478f76759f885724eb87 [INFO] running `Command { std: "docker" "start" "-a" "8cce23e59df9c9e55225ff9de139987aec68115962ec478f76759f885724eb87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8cce23e59df9c9e55225ff9de139987aec68115962ec478f76759f885724eb87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cce23e59df9c9e55225ff9de139987aec68115962ec478f76759f885724eb87", kill_on_drop: false }` [INFO] [stdout] 8cce23e59df9c9e55225ff9de139987aec68115962ec478f76759f885724eb87 [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] 43498ea8ab6ab24dc881e7acbb954cf18107ff680bc147bc6efe50a9bf359fcf [INFO] running `Command { std: "docker" "start" "-a" "43498ea8ab6ab24dc881e7acbb954cf18107ff680bc147bc6efe50a9bf359fcf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.1.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.23.2 [INFO] [stderr] Checking clap v3.1.10 [INFO] [stderr] Checking newdoku v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / /// Load Sudoku by unique ID [INFO] [stdout] 20 | | #[clap(short, long)] [INFO] [stdout] 21 | | uid: Option, [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/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// Load Sudoku from file [INFO] [stdout] 24 | | #[clap(short, long)] [INFO] [stdout] 25 | | file: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / /// Load Sudoku by unique ID [INFO] [stdout] 20 | | #[clap(short, long)] [INFO] [stdout] 21 | | uid: Option, [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/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// Load Sudoku from file [INFO] [stdout] 24 | | #[clap(short, long)] [INFO] [stdout] 25 | | file: Option, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `newdoku` (bin "newdoku") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `newdoku` (bin "newdoku" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "43498ea8ab6ab24dc881e7acbb954cf18107ff680bc147bc6efe50a9bf359fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43498ea8ab6ab24dc881e7acbb954cf18107ff680bc147bc6efe50a9bf359fcf", kill_on_drop: false }` [INFO] [stdout] 43498ea8ab6ab24dc881e7acbb954cf18107ff680bc147bc6efe50a9bf359fcf