[INFO] fetching crate impromptu 0.0.1... [INFO] checking impromptu-0.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate impromptu 0.0.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate impromptu 0.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate impromptu 0.0.1 [INFO] finished tweaking crates.io crate impromptu 0.0.1 [INFO] tweaked toml for crates.io crate impromptu 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate impromptu 0.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion-plot v0.4.0 [INFO] [stderr] Downloaded rand_os v0.2.2 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded criterion v0.3.0 [INFO] [stderr] Downloaded once_cell v0.1.8 [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded git2 v0.10.1 [INFO] [stderr] Downloaded libgit2-sys v0.9.1 [INFO] [stderr] Downloaded cached v0.9.0 [INFO] [stderr] Downloaded same-file v1.0.5 [INFO] [stderr] Downloaded walkdir v2.2.9 [INFO] [stderr] Downloaded rand_xoshiro v0.3.1 [INFO] [stderr] Downloaded tinytemplate v1.0.2 [INFO] [stderr] Downloaded jobserver v0.1.17 [INFO] [stderr] Downloaded libssh2-sys v0.2.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6bab74bb893c90f5b9e24fe5b9d1e6af0c2b9fe4652d28b2cba5250c762f654e [INFO] running `Command { std: "docker" "start" "-a" "6bab74bb893c90f5b9e24fe5b9d1e6af0c2b9fe4652d28b2cba5250c762f654e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6bab74bb893c90f5b9e24fe5b9d1e6af0c2b9fe4652d28b2cba5250c762f654e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bab74bb893c90f5b9e24fe5b9d1e6af0c2b9fe4652d28b2cba5250c762f654e", kill_on_drop: false }` [INFO] [stdout] 6bab74bb893c90f5b9e24fe5b9d1e6af0c2b9fe4652d28b2cba5250c762f654e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9deaf9f8d9c0a93bd3c5fcd7ac45df5b8c4e7609800451c6f0cdc30f848dec1 [INFO] running `Command { std: "docker" "start" "-a" "f9deaf9f8d9c0a93bd3c5fcd7ac45df5b8c4e7609800451c6f0cdc30f848dec1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking criterion-plot v0.4.0 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking termion v1.5.3 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking rand_xoshiro v0.3.1 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.50 [INFO] [stderr] Compiling libssh2-sys v0.2.12 [INFO] [stderr] Compiling libgit2-sys v0.9.1 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking once_cell v0.1.8 [INFO] [stderr] Checking cached v0.9.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Checking git2 v0.10.1 [INFO] [stderr] Checking criterion v0.3.0 [INFO] [stderr] Checking impromptu v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `style::Style::*` [INFO] [stdout] --> src/main-colors.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use style::Style::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `style::Style::*` [INFO] [stdout] --> src/main-colors.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use style::Style::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Bold` [INFO] [stdout] --> src/style.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Bold, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Faint` [INFO] [stdout] --> src/style.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | Faint, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Italic` [INFO] [stdout] --> src/style.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | Italic, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Underline` [INFO] [stdout] --> src/style.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Underline, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Blink` [INFO] [stdout] --> src/style.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | Blink, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Invert` [INFO] [stdout] --> src/style.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | Invert, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CrossedOut` [INFO] [stdout] --> src/style.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | CrossedOut, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Framed` [INFO] [stdout] --> src/style.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | Framed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `styled` [INFO] [stdout] --> src/style.rs:235:8 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn styled(arg: T, style: Style) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Bold` [INFO] [stdout] --> src/style.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Bold, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Faint` [INFO] [stdout] --> src/style.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | Faint, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Italic` [INFO] [stdout] --> src/style.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | Italic, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Underline` [INFO] [stdout] --> src/style.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Underline, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Blink` [INFO] [stdout] --> src/style.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | Blink, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Invert` [INFO] [stdout] --> src/style.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | Invert, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CrossedOut` [INFO] [stdout] --> src/style.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | CrossedOut, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Framed` [INFO] [stdout] --> src/style.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | Framed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `styled` [INFO] [stdout] --> src/style.rs:235:8 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn styled(arg: T, style: Style) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/git.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let mut describe_fmt_options = git2::DescribeFormatOptions::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/git.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let mut describe_fmt_options = git2::DescribeFormatOptions::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size_policy` [INFO] [stdout] --> src/widget.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | size_policy: SizePolicy, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Line` [INFO] [stdout] --> src/widget.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | struct Line { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/widget.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn add(&mut self, widget: Widget) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_with_separator` [INFO] [stdout] --> src/widget.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn add_with_separator(&mut self, widget: Widget, separator: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_with_separator_reversed` [INFO] [stdout] --> src/widget.rs:123:12 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn add_with_separator_reversed(&mut self, widget: Widget, separator: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size_policy` [INFO] [stdout] --> src/widget.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | size_policy: SizePolicy, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Line` [INFO] [stdout] --> src/widget.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | struct Line { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/widget.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn add(&mut self, widget: Widget) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_with_separator` [INFO] [stdout] --> src/widget.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn add_with_separator(&mut self, widget: Widget, separator: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_with_separator_reversed` [INFO] [stdout] --> src/widget.rs:123:12 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn add_with_separator_reversed(&mut self, widget: Widget, separator: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.96s [INFO] running `Command { std: "docker" "inspect" "f9deaf9f8d9c0a93bd3c5fcd7ac45df5b8c4e7609800451c6f0cdc30f848dec1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9deaf9f8d9c0a93bd3c5fcd7ac45df5b8c4e7609800451c6f0cdc30f848dec1", kill_on_drop: false }` [INFO] [stdout] f9deaf9f8d9c0a93bd3c5fcd7ac45df5b8c4e7609800451c6f0cdc30f848dec1