[INFO] fetching crate expry 0.4.2... [INFO] checking expry-0.4.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate expry 0.4.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate expry 0.4.2 [INFO] finished tweaking crates.io crate expry 0.4.2 [INFO] tweaked toml for crates.io crate expry 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate expry 0.4.2 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 expry 0.4.2 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-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] bd525186041ef29dc32e336a63d1713da1c136f738fa64103966b9b62c749e9a [INFO] running `Command { std: "docker" "start" "-a" "bd525186041ef29dc32e336a63d1713da1c136f738fa64103966b9b62c749e9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd525186041ef29dc32e336a63d1713da1c136f738fa64103966b9b62c749e9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd525186041ef29dc32e336a63d1713da1c136f738fa64103966b9b62c749e9a", kill_on_drop: false }` [INFO] [stdout] bd525186041ef29dc32e336a63d1713da1c136f738fa64103966b9b62c749e9a [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] ef967019a4279db2a852cac165deb4030e2379c7836c5ae80513ec24381fc16e [INFO] running `Command { std: "docker" "start" "-a" "ef967019a4279db2a852cac165deb4030e2379c7836c5ae80513ec24381fc16e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.161 [INFO] [stderr] Compiling serde v1.0.214 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking clap_builder v4.5.20 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking expry v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1646:19 [INFO] [stdout] | [INFO] [stdout] 1646 | pub fn to_ref(&self) -> EncodedValueRef { [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] 1646 | pub fn to_ref(&self) -> EncodedValueRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:1723:19 [INFO] [stdout] | [INFO] [stdout] 1723 | pub fn to_ref(&self) -> BytecodeRef { [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] 1723 | pub fn to_ref(&self) -> BytecodeRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:3710:13 [INFO] [stdout] | [INFO] [stdout] 3710 | if !_expry_ast_to_bytecode(ast, &mut writer, dynamic_values, MAX_AST_DEPTH).expect("binary encoding error") { [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/lib.rs:3721:17 [INFO] [stdout] | [INFO] [stdout] 3721 | if !_expry_ast_to_bytecode(ast, &mut length_collector, dynamic_values, MAX_AST_DEPTH).unwrap_infallible() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/memorypool.rs:65:26 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn url_escape(input: &str) -> std::borrow::Cow { [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] 65 | pub fn url_escape(input: &str) -> std::borrow::Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/stringparser.rs:17:25 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn strparse(reader: &str) -> StringParser { [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] 17 | pub fn strparse(reader: &str) -> StringParser<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `expry` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ef967019a4279db2a852cac165deb4030e2379c7836c5ae80513ec24381fc16e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef967019a4279db2a852cac165deb4030e2379c7836c5ae80513ec24381fc16e", kill_on_drop: false }` [INFO] [stdout] ef967019a4279db2a852cac165deb4030e2379c7836c5ae80513ec24381fc16e