[INFO] cloning repository https://github.com/kurtbuilds/lst [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurtbuilds/lst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtbuilds%2Flst", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtbuilds%2Flst'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38235d3a2dfb1283da45cc150f63e073ae6c6dfd [INFO] checking kurtbuilds/lst 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%2Fkurtbuilds%2Flst" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kurtbuilds/lst [INFO] finished tweaking git repo https://github.com/kurtbuilds/lst [INFO] tweaked toml for git repo https://github.com/kurtbuilds/lst written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kurtbuilds/lst 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/kurtbuilds/lst 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 58b21736e42c4c431c56b16f07fed1fa49e97230aef6ef3d612baaa039371ee4 [INFO] running `Command { std: "docker" "start" "-a" "58b21736e42c4c431c56b16f07fed1fa49e97230aef6ef3d612baaa039371ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58b21736e42c4c431c56b16f07fed1fa49e97230aef6ef3d612baaa039371ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58b21736e42c4c431c56b16f07fed1fa49e97230aef6ef3d612baaa039371ee4", kill_on_drop: false }` [INFO] [stdout] 58b21736e42c4c431c56b16f07fed1fa49e97230aef6ef3d612baaa039371ee4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5959f4a207574338263035ebc4a79825c113a86935caa7f49ea01736f228acd5 [INFO] running `Command { std: "docker" "start" "-a" "5959f4a207574338263035ebc4a79825c113a86935caa7f49ea01736f228acd5", kill_on_drop: false }` [INFO] [stderr] Checking str_indices v0.4.4 [INFO] [stderr] Checking ropey v1.6.1 [INFO] [stderr] Checking lst v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/lib.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | let dom = Offset::>::try_parse(buf).expect("error is infallible"); [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>, Infallible> [INFO] [stdout] --> src/tokens/pair.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let value = Offset::>::try_parse(content.offset(offset)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/tokens/pair.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | let comma = Offset::>::try_parse(content.offset(offset)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/tokens/item.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | let item = Offset::>::try_parse(content.offset(0)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/tokens/item.rs:21:21 [INFO] [stdout] | [INFO] [stdout] 21 | let comma = Offset::>::try_parse(content.offset(item.width())).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/source.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn linearize(&self) -> LinearizeBuffer { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 17 | pub fn linearize(&self) -> LinearizeBuffer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:17:67 [INFO] [stdout] | [INFO] [stdout] 17 | fn try_parse(content: Buffer<'_>) -> Result { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 18 | | Ok(T::try_parse(content).ok()) [INFO] [stdout] 19 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | Ok(T::try_parse(content).ok()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:98:72 [INFO] [stdout] | [INFO] [stdout] 98 | fn try_parse(mut content: Buffer<'_>) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 99 | | let mut chars = content.chars(); [INFO] [stdout] 100 | | let Some(c) = chars.next() else { [INFO] [stdout] 101 | | return Ok(Node(0, Value::Invalid(ParseError::new("Empty content")))); [INFO] [stdout] ... | [INFO] [stdout] 114 | | Ok(res.unwrap_or_else(|e| Node(len, Value::Invalid(e)))) [INFO] [stdout] 115 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:101:20 [INFO] [stdout] | [INFO] [stdout] 101 | return Ok(Node(0, Value::Invalid(ParseError::new("Empty content")))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:111:24 [INFO] [stdout] | [INFO] [stdout] 111 | return Ok(Node(len, Value::Invalid(ParseError::new("Invalid value")))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Ok(res.unwrap_or_else(|e| Node(len, Value::Invalid(e)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lst` (lib) due to 11 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>, Infallible> [INFO] [stdout] --> src/lib.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | let dom = Offset::>::try_parse(buf).expect("error is infallible"); [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>, Infallible> [INFO] [stdout] --> src/tokens/pair.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let value = Offset::>::try_parse(content.offset(offset)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/tokens/pair.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | let comma = Offset::>::try_parse(content.offset(offset)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/tokens/item.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | let item = Offset::>::try_parse(content.offset(0)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> src/tokens/item.rs:21:21 [INFO] [stdout] | [INFO] [stdout] 21 | let comma = Offset::>::try_parse(content.offset(item.width())).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/source.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn linearize(&self) -> LinearizeBuffer { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 17 | pub fn linearize(&self) -> LinearizeBuffer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:17:67 [INFO] [stdout] | [INFO] [stdout] 17 | fn try_parse(content: Buffer<'_>) -> Result { [INFO] [stdout] | ___________________________________________________________________^ [INFO] [stdout] 18 | | Ok(T::try_parse(content).ok()) [INFO] [stdout] 19 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | Ok(T::try_parse(content).ok()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:98:72 [INFO] [stdout] | [INFO] [stdout] 98 | fn try_parse(mut content: Buffer<'_>) -> Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 99 | | let mut chars = content.chars(); [INFO] [stdout] 100 | | let Some(c) = chars.next() else { [INFO] [stdout] 101 | | return Ok(Node(0, Value::Invalid(ParseError::new("Empty content")))); [INFO] [stdout] ... | [INFO] [stdout] 114 | | Ok(res.unwrap_or_else(|e| Node(len, Value::Invalid(e)))) [INFO] [stdout] 115 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:101:20 [INFO] [stdout] | [INFO] [stdout] 101 | return Ok(Node(0, Value::Invalid(ParseError::new("Empty content")))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:111:24 [INFO] [stdout] | [INFO] [stdout] 111 | return Ok(Node(len, Value::Invalid(ParseError::new("Invalid value")))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/parse.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Ok(res.unwrap_or_else(|e| Node(len, Value::Invalid(e)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lst` (lib test) due to 11 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5959f4a207574338263035ebc4a79825c113a86935caa7f49ea01736f228acd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5959f4a207574338263035ebc4a79825c113a86935caa7f49ea01736f228acd5", kill_on_drop: false }` [INFO] [stdout] 5959f4a207574338263035ebc4a79825c113a86935caa7f49ea01736f228acd5