[INFO] cloning repository https://github.com/Narsil/euleur-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Narsil/euleur-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarsil%2Feuleur-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarsil%2Feuleur-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b17845906d1074ccb473aacc8fa715cc8ceb110d [INFO] checking Narsil/euleur-rust 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%2FNarsil%2Feuleur-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Narsil/euleur-rust [INFO] finished tweaking git repo https://github.com/Narsil/euleur-rust [INFO] tweaked toml for git repo https://github.com/Narsil/euleur-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Narsil/euleur-rust 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/Narsil/euleur-rust 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 10cedf207a07369962f94caaf26355ba2e85efe5269c0b83b754dbdf1fe04f15 [INFO] running `Command { std: "docker" "start" "-a" "10cedf207a07369962f94caaf26355ba2e85efe5269c0b83b754dbdf1fe04f15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10cedf207a07369962f94caaf26355ba2e85efe5269c0b83b754dbdf1fe04f15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10cedf207a07369962f94caaf26355ba2e85efe5269c0b83b754dbdf1fe04f15", kill_on_drop: false }` [INFO] [stdout] 10cedf207a07369962f94caaf26355ba2e85efe5269c0b83b754dbdf1fe04f15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 678920e0de38a283bfa640f3e9e34b35e2ccd096a1da9d78c5e00d8e1c95e94f [INFO] running `Command { std: "docker" "start" "-a" "678920e0de38a283bfa640f3e9e34b35e2ccd096a1da9d78c5e00d8e1c95e94f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking bytecount v0.6.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking euler-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/forty_fifty.rs:45:66 [INFO] [stdout] | [INFO] [stdout] 45 | let pan_number = from_digits(&permutation.iter().map(|i| (8 - i)).collect::>()[..]); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 45 - let pan_number = from_digits(&permutation.iter().map(|i| (8 - i)).collect::>()[..]); [INFO] [stdout] 45 + let pan_number = from_digits(&permutation.iter().map(|i| 8 - i ).collect::>()[..]); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/thirty_forty.rs:248:49 [INFO] [stdout] | [INFO] [stdout] 248 | let digits = permutation.iter().map(|i| (10 - i)).collect::>(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 248 - let digits = permutation.iter().map(|i| (10 - i)).collect::>(); [INFO] [stdout] 248 + let digits = permutation.iter().map(|i| 10 - i ).collect::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/forty_fifty.rs:45:66 [INFO] [stdout] | [INFO] [stdout] 45 | let pan_number = from_digits(&permutation.iter().map(|i| (8 - i)).collect::>()[..]); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 45 - let pan_number = from_digits(&permutation.iter().map(|i| (8 - i)).collect::>()[..]); [INFO] [stdout] 45 + let pan_number = from_digits(&permutation.iter().map(|i| 8 - i ).collect::>()[..]); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/thirty_forty.rs:248:49 [INFO] [stdout] | [INFO] [stdout] 248 | let digits = permutation.iter().map(|i| (10 - i)).collect::>(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 248 - let digits = permutation.iter().map(|i| (10 - i)).collect::>(); [INFO] [stdout] 248 + let digits = permutation.iter().map(|i| 10 - i ).collect::>(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/fifty_sixty.rs:73:26 [INFO] [stdout] | [INFO] [stdout] 73 | if self.take_n > n_digits.try_into().unwrap() { [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/sixty_seventy.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:60:24 [INFO] [stdout] | [INFO] [stdout] 60 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:74:24 [INFO] [stdout] | [INFO] [stdout] 74 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:102:24 [INFO] [stdout] | [INFO] [stdout] 102 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:116:24 [INFO] [stdout] | [INFO] [stdout] 116 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/thirty_forty.rs:220:27 [INFO] [stdout] | [INFO] [stdout] 220 | let digs = digits((*p).try_into().unwrap()).in_order(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/twenty_thirty.rs:257:30 [INFO] [stdout] | [INFO] [stdout] 257 | let d: u64 = c.to_digit(10).unwrap().try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `euler-rust` (bin "euler-rust") due to 9 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/fifty_sixty.rs:73:26 [INFO] [stdout] | [INFO] [stdout] 73 | if self.take_n > n_digits.try_into().unwrap() { [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/sixty_seventy.rs:46:24 [INFO] [stdout] | [INFO] [stdout] 46 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:60:24 [INFO] [stdout] | [INFO] [stdout] 60 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:74:24 [INFO] [stdout] | [INFO] [stdout] 74 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:102:24 [INFO] [stdout] | [INFO] [stdout] 102 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/sixty_seventy.rs:116:24 [INFO] [stdout] | [INFO] [stdout] 116 | .entry((t / 100).try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/thirty_forty.rs:220:27 [INFO] [stdout] | [INFO] [stdout] 220 | let digs = digits((*p).try_into().unwrap()).in_order(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/twenty_thirty.rs:257:30 [INFO] [stdout] | [INFO] [stdout] 257 | let d: u64 = c.to_digit(10).unwrap().try_into().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `euler-rust` (bin "euler-rust" test) due to 9 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "678920e0de38a283bfa640f3e9e34b35e2ccd096a1da9d78c5e00d8e1c95e94f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "678920e0de38a283bfa640f3e9e34b35e2ccd096a1da9d78c5e00d8e1c95e94f", kill_on_drop: false }` [INFO] [stdout] 678920e0de38a283bfa640f3e9e34b35e2ccd096a1da9d78c5e00d8e1c95e94f