[INFO] fetching crate luthien 0.6.0... [INFO] checking luthien-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate luthien 0.6.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate luthien 0.6.0 [INFO] finished tweaking crates.io crate luthien 0.6.0 [INFO] tweaked toml for crates.io crate luthien 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate luthien 0.6.0 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 luthien 0.6.0 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] 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] 2aa057d0f4b80afd94587abfddffeee295a5d5884f3d79dd491299fa6b09c236 [INFO] running `Command { std: "docker" "start" "-a" "2aa057d0f4b80afd94587abfddffeee295a5d5884f3d79dd491299fa6b09c236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2aa057d0f4b80afd94587abfddffeee295a5d5884f3d79dd491299fa6b09c236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2aa057d0f4b80afd94587abfddffeee295a5d5884f3d79dd491299fa6b09c236", kill_on_drop: false }` [INFO] [stdout] 2aa057d0f4b80afd94587abfddffeee295a5d5884f3d79dd491299fa6b09c236 [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] e7460f561d4eb59c6b6a1c8c4ccfcd185aadd4d400bf677c9f5782ed32c12cf0 [INFO] running `Command { std: "docker" "start" "-a" "e7460f561d4eb59c6b6a1c8c4ccfcd185aadd4d400bf677c9f5782ed32c12cf0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking tracing-subscriber v0.2.19 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking object v0.24.0 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.7.0 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking dirs v3.0.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking flurry v0.3.1 [INFO] [stderr] Checking regex v1.4.6 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking ipipe v0.8.2 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling impl-enum v0.2.0 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking luthien v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | / /// Override the config file [INFO] [stdout] 22 | | #[structopt(short, long)] [INFO] [stdout] 23 | | config: 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:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / /// Output file for the theme [INFO] [stdout] 30 | | #[structopt(short, long)] [INFO] [stdout] 31 | | output: Option, [INFO] [stdout] | |___________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | / #[structopt(possible_values = &clap::Shell::variants())] [INFO] [stdout] 59 | | shell: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/apply.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / /// Theme to be applied. [INFO] [stdout] 15 | | pub theme: PathBuf, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extraction/img.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | / /// Source image to extract theme from. [INFO] [stdout] 16 | | path: std::path::PathBuf, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extraction/toml.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / /// Path to a TOML theme file. Defaults to stdin. [INFO] [stdout] 23 | | path: Option, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/modify.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | / /// Theme to be modified. [INFO] [stdout] 11 | | pub theme: PathBuf, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/modify.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | / /// New wallpaper to be used. [INFO] [stdout] 14 | | #[structopt(short, long)] [INFO] [stdout] 15 | | pub wallpaper: Option, [INFO] [stdout] | |__________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `luthien` (bin "luthien") due to 8 previous errors [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:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | / /// Override the config file [INFO] [stdout] 22 | | #[structopt(short, long)] [INFO] [stdout] 23 | | config: 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:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / /// Output file for the theme [INFO] [stdout] 30 | | #[structopt(short, long)] [INFO] [stdout] 31 | | output: Option, [INFO] [stdout] | |___________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | / #[structopt(possible_values = &clap::Shell::variants())] [INFO] [stdout] 59 | | shell: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/apply.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / /// Theme to be applied. [INFO] [stdout] 15 | | pub theme: PathBuf, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extraction/img.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | / /// Source image to extract theme from. [INFO] [stdout] 16 | | path: std::path::PathBuf, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extraction/toml.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / /// Path to a TOML theme file. Defaults to stdin. [INFO] [stdout] 23 | | path: Option, [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/modify.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | / /// Theme to be modified. [INFO] [stdout] 11 | | pub theme: PathBuf, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/modify.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | / /// New wallpaper to be used. [INFO] [stdout] 14 | | #[structopt(short, long)] [INFO] [stdout] 15 | | pub wallpaper: Option, [INFO] [stdout] | |__________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/theme.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | format!("{}", test_theme!().colors.palette); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 223 | let _ = format!("{}", test_theme!().colors.palette); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/theme.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | format!("{}", test_theme!()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 224 | let _ = format!("{}", test_theme!()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `luthien` (bin "luthien" test) due to 8 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e7460f561d4eb59c6b6a1c8c4ccfcd185aadd4d400bf677c9f5782ed32c12cf0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7460f561d4eb59c6b6a1c8c4ccfcd185aadd4d400bf677c9f5782ed32c12cf0", kill_on_drop: false }` [INFO] [stdout] e7460f561d4eb59c6b6a1c8c4ccfcd185aadd4d400bf677c9f5782ed32c12cf0