[INFO] fetching crate parsa 1.1.1...
[INFO] checking parsa-1.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate parsa 1.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate parsa 1.1.1
[INFO] finished tweaking crates.io crate parsa 1.1.1
[INFO] tweaked toml for crates.io crate parsa 1.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parsa 1.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 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] 55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21
[INFO] running `Command { std: "docker" "start" "-a" "55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21", kill_on_drop: false }`
[INFO] [stdout] 55d8a1ce4b1503bc892cde09ee78cc43f991f775f796b8c59bb05fa531c8ae21
[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] 4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6
[INFO] running `Command { std: "docker" "start" "-a" "4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling nevermore v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking parsa v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `parsa` (lib) due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<T>, Infallible>
[INFO] [stdout]    --> src/combinators.rs:205:72
[INFO] [stdout]     |
[INFO] [stdout] 205 |       fn parse(&self, s: &mut ParserString) -> Result<Vec<T>, Self::Err> {
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 206 | |         let mut out = vec![];
[INFO] [stdout] 207 | |         
[INFO] [stdout] 208 | |         while let Ok(v) = self.p.try_parse(s) {
[INFO] [stdout] ...   |
[INFO] [stdout] 212 | |         Ok(out)
[INFO] [stdout] 213 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<T>, Infallible>
[INFO] [stdout]    --> src/combinators.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         Ok(out)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/builtins.rs:81:70
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub fn whitespace(s: &mut ParserString) -> Result<usize, Infallible> {
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 82 | |     let mut ctr = 0;
[INFO] [stdout] 83 | |
[INFO] [stdout] 84 | |     while let Ok(c) = next.parse(s) { 
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     Ok(ctr)
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/builtins.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     Ok(ctr)
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<T>, Infallible>
[INFO] [stdout]    --> src/combinators.rs:205:72
[INFO] [stdout]     |
[INFO] [stdout] 205 |       fn parse(&self, s: &mut ParserString) -> Result<Vec<T>, Self::Err> {
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 206 | |         let mut out = vec![];
[INFO] [stdout] 207 | |         
[INFO] [stdout] 208 | |         while let Ok(v) = self.p.try_parse(s) {
[INFO] [stdout] ...   |
[INFO] [stdout] 212 | |         Ok(out)
[INFO] [stdout] 213 | |     }
[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<Vec<T>, Infallible>
[INFO] [stdout]    --> src/combinators.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         Ok(out)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/builtins.rs:81:70
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub fn whitespace(s: &mut ParserString) -> Result<usize, Infallible> {
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 82 | |     let mut ctr = 0;
[INFO] [stdout] 83 | |
[INFO] [stdout] 84 | |     while let Ok(c) = next.parse(s) { 
[INFO] [stdout] ...  |
[INFO] [stdout] 94 | |     Ok(ctr)
[INFO] [stdout] 95 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/builtins.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     Ok(ctr)
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<String>, Infallible>
[INFO] [stdout]   --> src/tests.rs:70:15
[INFO] [stdout]    |
[INFO] [stdout] 70 |       let vec = word.map(|v| dbg!(v)).after(whitespace.map(|i| dbg!(i)))
[INFO] [stdout]    |  _______________^
[INFO] [stdout] 71 | |         .many().parse(&mut input).unwrap();
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parsa` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6", kill_on_drop: false }`
[INFO] [stdout] 4762c60935b86b3747e83dcb3ae3cfa11773080ef9fe698c0a2dcb6dea7f97b6
