[INFO] fetching crate gn 0.1.5... [INFO] checking gn-0.1.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate gn 0.1.5 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate gn 0.1.5 [INFO] finished tweaking crates.io crate gn 0.1.5 [INFO] tweaked toml for crates.io crate gn 0.1.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gn 0.1.5 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 gn 0.1.5 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ec7c2e326f87c9988a542bdc011beee53cd4fbfe0bb5652909cd24a73de28bfa [INFO] running `Command { std: "docker" "start" "-a" "ec7c2e326f87c9988a542bdc011beee53cd4fbfe0bb5652909cd24a73de28bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec7c2e326f87c9988a542bdc011beee53cd4fbfe0bb5652909cd24a73de28bfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec7c2e326f87c9988a542bdc011beee53cd4fbfe0bb5652909cd24a73de28bfa", kill_on_drop: false }` [INFO] [stdout] ec7c2e326f87c9988a542bdc011beee53cd4fbfe0bb5652909cd24a73de28bfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 443d4654cdc198d46de2483c8726fa40f6e718e17f38a08212d0123b8e9f060f [INFO] running `Command { std: "docker" "start" "-a" "443d4654cdc198d46de2483c8726fa40f6e718e17f38a08212d0123b8e9f060f", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Compiling thiserror v1.0.35 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling ucd-trie v0.1.5 [INFO] [stderr] Compiling once_cell v1.14.0 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Compiling anyhow v1.0.65 [INFO] [stderr] Checking textwrap v0.15.1 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Checking unsafe-libyaml v0.2.4 [INFO] [stderr] Checking bool_ext v0.5.1 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking num-bigint v0.4.3 [INFO] [stderr] Checking num-iter v0.1.43 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.35 [INFO] [stderr] Compiling clap_derive v3.2.18 [INFO] [stderr] Compiling pest v2.3.1 [INFO] [stderr] Checking clap v3.2.22 [INFO] [stderr] Compiling pest_meta v2.3.1 [INFO] [stderr] Compiling pest_generator v2.3.1 [INFO] [stderr] Compiling pest_derive v2.3.1 [INFO] [stderr] Checking serde_yaml v0.9.13 [INFO] [stderr] Checking json5 v0.4.1 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Checking serde-gron v0.1.2 [INFO] [stderr] Checking gn v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut args = args; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `OutputWriter` is never used [INFO] [stdout] --> src/output/mod.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | pub trait OutputWriter { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:79:53 [INFO] [stdout] | [INFO] [stdout] 79 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 80 | | match s { [INFO] [stdout] 81 | | "" | "-" => Ok(Input::Stdin), [INFO] [stdout] 82 | | s => { [INFO] [stdout] ... | [INFO] [stdout] 90 | | } [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/cli.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | / match s { [INFO] [stdout] 81 | | "" | "-" => Ok(Input::Stdin), [INFO] [stdout] 82 | | s => { [INFO] [stdout] 83 | | if let Ok(url) = Url::parse(s) { [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:81:25 [INFO] [stdout] | [INFO] [stdout] 81 | "" | "-" => Ok(Input::Stdin), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:82:18 [INFO] [stdout] | [INFO] [stdout] 82 | s => { [INFO] [stdout] | __________________^ [INFO] [stdout] 83 | | if let Ok(url) = Url::parse(s) { [INFO] [stdout] 84 | | Ok(Input::Url(url)) [INFO] [stdout] 85 | | } else { [INFO] [stdout] ... | [INFO] [stdout] 88 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:83:17 [INFO] [stdout] | [INFO] [stdout] 83 | / if let Ok(url) = Url::parse(s) { [INFO] [stdout] 84 | | Ok(Input::Url(url)) [INFO] [stdout] 85 | | } else { [INFO] [stdout] 86 | | Ok(Input::Path(PathBuf::from(s))) [INFO] [stdout] 87 | | } [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:83:48 [INFO] [stdout] | [INFO] [stdout] 83 | if let Ok(url) = Url::parse(s) { [INFO] [stdout] | ________________________________________________^ [INFO] [stdout] 84 | | Ok(Input::Url(url)) [INFO] [stdout] 85 | | } else { [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | Ok(Input::Url(url)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:85:24 [INFO] [stdout] | [INFO] [stdout] 85 | } else { [INFO] [stdout] | ________________________^ [INFO] [stdout] 86 | | Ok(Input::Path(PathBuf::from(s))) [INFO] [stdout] 87 | | } [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | Ok(Input::Path(PathBuf::from(s))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub input: Input, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut args = args; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gn` (bin "gn") due to 10 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `OutputWriter` is never used [INFO] [stdout] --> src/output/mod.rs:41:11 [INFO] [stdout] | [INFO] [stdout] 41 | pub trait OutputWriter { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:79:53 [INFO] [stdout] | [INFO] [stdout] 79 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 80 | | match s { [INFO] [stdout] 81 | | "" | "-" => Ok(Input::Stdin), [INFO] [stdout] 82 | | s => { [INFO] [stdout] ... | [INFO] [stdout] 90 | | } [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/cli.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | / match s { [INFO] [stdout] 81 | | "" | "-" => Ok(Input::Stdin), [INFO] [stdout] 82 | | s => { [INFO] [stdout] 83 | | if let Ok(url) = Url::parse(s) { [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:81:25 [INFO] [stdout] | [INFO] [stdout] 81 | "" | "-" => Ok(Input::Stdin), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:82:18 [INFO] [stdout] | [INFO] [stdout] 82 | s => { [INFO] [stdout] | __________________^ [INFO] [stdout] 83 | | if let Ok(url) = Url::parse(s) { [INFO] [stdout] 84 | | Ok(Input::Url(url)) [INFO] [stdout] 85 | | } else { [INFO] [stdout] ... | [INFO] [stdout] 88 | | } [INFO] [stdout] | |_____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:83:17 [INFO] [stdout] | [INFO] [stdout] 83 | / if let Ok(url) = Url::parse(s) { [INFO] [stdout] 84 | | Ok(Input::Url(url)) [INFO] [stdout] 85 | | } else { [INFO] [stdout] 86 | | Ok(Input::Path(PathBuf::from(s))) [INFO] [stdout] 87 | | } [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:83:48 [INFO] [stdout] | [INFO] [stdout] 83 | if let Ok(url) = Url::parse(s) { [INFO] [stdout] | ________________________________________________^ [INFO] [stdout] 84 | | Ok(Input::Url(url)) [INFO] [stdout] 85 | | } else { [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | Ok(Input::Url(url)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:85:24 [INFO] [stdout] | [INFO] [stdout] 85 | } else { [INFO] [stdout] | ________________________^ [INFO] [stdout] 86 | | Ok(Input::Path(PathBuf::from(s))) [INFO] [stdout] 87 | | } [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | Ok(Input::Path(PathBuf::from(s))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub input: Input, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, std::path::PathBuf> [INFO] [stdout] --> src/cli.rs:121:25 [INFO] [stdout] | [INFO] [stdout] 121 | Input::Path(PathBuf::from_str("/data/package.json")?).extension() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/cli.rs:121:25 [INFO] [stdout] | [INFO] [stdout] 121 | Input::Path(PathBuf::from_str("/data/package.json")?).extension() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gn` (bin "gn" test) due to 12 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "443d4654cdc198d46de2483c8726fa40f6e718e17f38a08212d0123b8e9f060f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443d4654cdc198d46de2483c8726fa40f6e718e17f38a08212d0123b8e9f060f", kill_on_drop: false }` [INFO] [stdout] 443d4654cdc198d46de2483c8726fa40f6e718e17f38a08212d0123b8e9f060f