[INFO] fetching crate image-to-ascii 0.7.0... [INFO] checking image-to-ascii-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate image-to-ascii 0.7.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate image-to-ascii 0.7.0 [INFO] finished tweaking crates.io crate image-to-ascii 0.7.0 [INFO] tweaked toml for crates.io crate image-to-ascii 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate image-to-ascii 0.7.0 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 image-to-ascii 0.7.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1e8b1bc2bba197e4cc8f11b02800cd4bb81b121f6c436ebe8fa9c2388681a908 [INFO] running `Command { std: "docker" "start" "-a" "1e8b1bc2bba197e4cc8f11b02800cd4bb81b121f6c436ebe8fa9c2388681a908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e8b1bc2bba197e4cc8f11b02800cd4bb81b121f6c436ebe8fa9c2388681a908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e8b1bc2bba197e4cc8f11b02800cd4bb81b121f6c436ebe8fa9c2388681a908", kill_on_drop: false }` [INFO] [stdout] 1e8b1bc2bba197e4cc8f11b02800cd4bb81b121f6c436ebe8fa9c2388681a908 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5704191c1f9215db0991de68dfafc591bee2fa75008fb04a433a9ed316529715 [INFO] running `Command { std: "docker" "start" "-a" "5704191c1f9215db0991de68dfafc591bee2fa75008fb04a433a9ed316529715", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking bytemuck v1.16.1 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Checking console v0.15.8 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking flate2 v1.0.30 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking png v0.17.13 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rayon-core v1.12.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking exr v1.72.0 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Checking bdf-reader v0.1.2 [INFO] [stderr] Checking jpeg-decoder v0.3.1 [INFO] [stderr] Checking tiff v0.9.1 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking image v0.24.9 [INFO] [stderr] Checking image-to-ascii v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/image.rs:234:31 [INFO] [stdout] | [INFO] [stdout] 234 | v.iter().cloned().map(|x| (x * inv_total)).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] 234 - v.iter().cloned().map(|x| (x * inv_total)).collect() [INFO] [stdout] 234 + v.iter().cloned().map(|x| x * inv_total ).collect() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/image.rs:234:31 [INFO] [stdout] | [INFO] [stdout] 234 | v.iter().cloned().map(|x| (x * inv_total)).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] 234 - v.iter().cloned().map(|x| (x * inv_total)).collect() [INFO] [stdout] 234 + v.iter().cloned().map(|x| x * inv_total ).collect() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/image.rs:234:31 [INFO] [stdout] | [INFO] [stdout] 234 | v.iter().cloned().map(|x| (x * inv_total)).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] 234 - v.iter().cloned().map(|x| (x * inv_total)).collect() [INFO] [stdout] 234 + v.iter().cloned().map(|x| x * inv_total ).collect() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/image.rs:234:31 [INFO] [stdout] | [INFO] [stdout] 234 | v.iter().cloned().map(|x| (x * inv_total)).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] 234 - v.iter().cloned().map(|x| (x * inv_total)).collect() [INFO] [stdout] 234 + v.iter().cloned().map(|x| x * inv_total ).collect() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | image_path: String, [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:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | font: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | alphabet: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | metric: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | out_path: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | conversion_algorithm: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `image-to-ascii` (bin "image-to-ascii" test) due to 6 previous errors; 1 warning 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/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | image_path: String, [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:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | font: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | alphabet: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | metric: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | out_path: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | conversion_algorithm: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `image-to-ascii` (bin "image-to-ascii") due to 6 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5704191c1f9215db0991de68dfafc591bee2fa75008fb04a433a9ed316529715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5704191c1f9215db0991de68dfafc591bee2fa75008fb04a433a9ed316529715", kill_on_drop: false }` [INFO] [stdout] 5704191c1f9215db0991de68dfafc591bee2fa75008fb04a433a9ed316529715