[INFO] fetching crate woah 0.4.5... [INFO] building woah-0.4.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate woah 0.4.5 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate woah 0.4.5 [INFO] finished tweaking crates.io crate woah 0.4.5 [INFO] tweaked toml for crates.io crate woah 0.4.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate woah 0.4.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate woah 0.4.5 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8c0560de4b9964f68a5b1b13c36e99546220d3cc89e6450d6822195c2fb2145 [INFO] running `Command { std: "docker" "start" "-a" "c8c0560de4b9964f68a5b1b13c36e99546220d3cc89e6450d6822195c2fb2145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8c0560de4b9964f68a5b1b13c36e99546220d3cc89e6450d6822195c2fb2145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8c0560de4b9964f68a5b1b13c36e99546220d3cc89e6450d6822195c2fb2145", kill_on_drop: false }` [INFO] [stdout] c8c0560de4b9964f68a5b1b13c36e99546220d3cc89e6450d6822195c2fb2145 [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a0bba8c9ee21abe108eab2c55ca97e5bc29f092245b8e02956ba3d38bbe740e [INFO] running `Command { std: "docker" "start" "-a" "3a0bba8c9ee21abe108eab2c55ca97e5bc29f092245b8e02956ba3d38bbe740e", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling woah v0.4.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1122:17 [INFO] [stdout] | [INFO] [stdout] 1122 | pub fn iter(&self) -> Iter { [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] 1122 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1153:21 [INFO] [stdout] | [INFO] [stdout] 1153 | pub fn iter_mut(&mut self) -> IterMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1153 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `try` blocks are unstable [INFO] [stdout] --> src/lib.rs:2142:36 [INFO] [stdout] | [INFO] [stdout] 2142 | ControlFlow::Break(try { acc }) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31436 for more information [INFO] [stdout] = help: add `#![feature(try_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #65860 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `try` blocks are unstable [INFO] [stdout] --> src/lib.rs:2146:36 [INFO] [stdout] | [INFO] [stdout] 2146 | ControlFlow::Break(try { acc }) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31436 for more information [INFO] [stdout] = help: add `#![feature(try_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #65860 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "3a0bba8c9ee21abe108eab2c55ca97e5bc29f092245b8e02956ba3d38bbe740e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a0bba8c9ee21abe108eab2c55ca97e5bc29f092245b8e02956ba3d38bbe740e", kill_on_drop: false }` [INFO] [stdout] 3a0bba8c9ee21abe108eab2c55ca97e5bc29f092245b8e02956ba3d38bbe740e [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 576d919621a4fd82187e6195c2a7eccc488bf00e6941ea53de6345b5e12f60be [INFO] running `Command { std: "docker" "start" "-a" "576d919621a4fd82187e6195c2a7eccc488bf00e6941ea53de6345b5e12f60be", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1122:17 [INFO] [stdout] | [INFO] [stdout] 1122 | pub fn iter(&self) -> Iter { [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] 1122 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1153:21 [INFO] [stdout] | [INFO] [stdout] 1153 | pub fn iter_mut(&mut self) -> IterMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1153 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `try` blocks are unstable [INFO] [stdout] --> src/lib.rs:2142:36 [INFO] [stdout] | [INFO] [stdout] 2142 | ControlFlow::Break(try { acc }) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31436 for more information [INFO] [stdout] = help: add `#![feature(try_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #65860 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `try` blocks are unstable [INFO] [stdout] --> src/lib.rs:2146:36 [INFO] [stdout] | [INFO] [stdout] 2146 | ControlFlow::Break(try { acc }) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31436 for more information [INFO] [stdout] = help: add `#![feature(try_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #65860 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling woah v0.4.5 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> examples/std_result_interop.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 35 | fn std_to_woah() -> Result<(), LocalError, FatalError> { [INFO] [stdout] | ------------------------------------------------------ this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 36 | let _ = returns_std_result()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `woah::Result<(), LocalError, FatalError>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `woah` (example "std_result_interop") due to 2 previous errors [INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try` [INFO] [stdout] --> examples/std_result_interop.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let _ = returns_woah_result()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `woah::Result<(), LocalError, FatalError>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `woah::Result<(), LocalError, FatalError>` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try` [INFO] [stdout] --> examples/basic.rs:23:11 [INFO] [stdout] | [INFO] [stdout] 23 | match do_http_request()? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `woah::Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `woah::Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `woah` (example "basic") due to 2 previous errors [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> examples/basic.rs:23:28 [INFO] [stdout] | [INFO] [stdout] 22 | fn get_data() -> RequestResult { [INFO] [stdout] | -------------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 23 | match do_http_request()? { [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `woah::Result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1122:17 [INFO] [stdout] | [INFO] [stdout] 1122 | pub fn iter(&self) -> Iter { [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] 1122 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1153:21 [INFO] [stdout] | [INFO] [stdout] 1153 | pub fn iter_mut(&mut self) -> IterMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 1153 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] warning: `try` blocks are unstable [INFO] [stdout] --> src/lib.rs:2142:36 [INFO] [stdout] | [INFO] [stdout] 2142 | ControlFlow::Break(try { acc }) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31436 for more information [INFO] [stdout] = help: add `#![feature(try_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #65860 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `try` blocks are unstable [INFO] [stdout] --> src/lib.rs:2146:36 [INFO] [stdout] | [INFO] [stdout] 2146 | ControlFlow::Break(try { acc }) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31436 for more information [INFO] [stdout] = help: add `#![feature(try_blocks)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-09-05; consider upgrading it if it is out of date [INFO] [stdout] = warning: unstable syntax can change at any point in the future, causing a hard error! [INFO] [stdout] = note: for more information, see issue #65860 [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "576d919621a4fd82187e6195c2a7eccc488bf00e6941ea53de6345b5e12f60be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "576d919621a4fd82187e6195c2a7eccc488bf00e6941ea53de6345b5e12f60be", kill_on_drop: false }` [INFO] [stdout] 576d919621a4fd82187e6195c2a7eccc488bf00e6941ea53de6345b5e12f60be