[INFO] fetching crate esyn 0.9.1... [INFO] checking esyn-0.9.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate esyn 0.9.1 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate esyn 0.9.1 [INFO] finished tweaking crates.io crate esyn 0.9.1 [INFO] tweaked toml for crates.io crate esyn 0.9.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate esyn 0.9.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate esyn 0.9.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded esyn-derive v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32642c86e37b335d54d15c244028b9c3e85d06342c792005b6169426eeb498ed [INFO] running `Command { std: "docker" "start" "-a" "32642c86e37b335d54d15c244028b9c3e85d06342c792005b6169426eeb498ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32642c86e37b335d54d15c244028b9c3e85d06342c792005b6169426eeb498ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32642c86e37b335d54d15c244028b9c3e85d06342c792005b6169426eeb498ed", kill_on_drop: false }` [INFO] [stdout] 32642c86e37b335d54d15c244028b9c3e85d06342c792005b6169426eeb498ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bafda797587eddc63c6d500271d72aae5cf09f5217c474f47c774d0dec394fff [INFO] running `Command { std: "docker" "start" "-a" "bafda797587eddc63c6d500271d72aae5cf09f5217c474f47c774d0dec394fff", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling prettyplease v0.2.17 [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Checking syn v2.0.58 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling esyn-derive v0.9.1 [INFO] [stderr] Checking esyn v0.9.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `sd` [INFO] [stdout] --> src/ext/duration.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let sd = SynDur::from_str(&tmp); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sd` [INFO] [stdout] --> src/ext/duration.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let sd = SynDur::from_str(&tmp); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_sd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `num` and `suffix` are never read [INFO] [stdout] --> src/ext/duration.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct SynDur { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 38 | num: u128, [INFO] [stdout] | ^^^ [INFO] [stdout] 39 | suffix: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_string` is never used [INFO] [stdout] --> src/ext/duration.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl SynDur { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `FnVisit` is never used [INFO] [stdout] --> src/visit.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 21 | pub type FnVisit<'other, 'ast, Input, Output> = Box Option + 'other>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WrapExprBlock` is never constructed [INFO] [stdout] --> src/visit.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct WrapExprBlock<'ast> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/parser.rs:152:17 [INFO] [stdout] | [INFO] [stdout] 152 | fn _get_fn(&'ast self, fn_name: &str) -> Res<&'ast FnBlock> { [INFO] [stdout] | ^^^^ ---- ------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is named 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: consistently use `'ast` [INFO] [stdout] | [INFO] [stdout] 152 | fn _get_fn(&'ast self, fn_name: &str) -> Res<&'ast FnBlock<'ast>> { [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `num` and `suffix` are never read [INFO] [stdout] --> src/ext/duration.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct SynDur { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 38 | num: u128, [INFO] [stdout] | ^^^ [INFO] [stdout] 39 | suffix: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_string` is never used [INFO] [stdout] --> src/ext/duration.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl SynDur { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `FnVisit` is never used [INFO] [stdout] --> src/visit.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 21 | pub type FnVisit<'other, 'ast, Input, Output> = Box Option + 'other>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WrapExprBlock` is never constructed [INFO] [stdout] --> src/visit.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct WrapExprBlock<'ast> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/parser.rs:152:17 [INFO] [stdout] | [INFO] [stdout] 152 | fn _get_fn(&'ast self, fn_name: &str) -> Res<&'ast FnBlock> { [INFO] [stdout] | ^^^^ ---- ------- the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is named 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: consistently use `'ast` [INFO] [stdout] | [INFO] [stdout] 152 | fn _get_fn(&'ast self, fn_name: &str) -> Res<&'ast FnBlock<'ast>> { [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s [INFO] running `Command { std: "docker" "inspect" "bafda797587eddc63c6d500271d72aae5cf09f5217c474f47c774d0dec394fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bafda797587eddc63c6d500271d72aae5cf09f5217c474f47c774d0dec394fff", kill_on_drop: false }` [INFO] [stdout] bafda797587eddc63c6d500271d72aae5cf09f5217c474f47c774d0dec394fff