[INFO] fetching crate fused_error 0.1.2... [INFO] checking fused_error-0.1.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate fused_error 0.1.2 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate fused_error 0.1.2 [INFO] finished tweaking crates.io crate fused_error 0.1.2 [INFO] tweaked toml for crates.io crate fused_error 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fused_error 0.1.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 53 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.106) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79139b1a527c95832558e35e7519a5dec61295e4ec22fea39dbbb7b1f3d9b1a1 [INFO] running `Command { std: "docker" "start" "-a" "79139b1a527c95832558e35e7519a5dec61295e4ec22fea39dbbb7b1f3d9b1a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79139b1a527c95832558e35e7519a5dec61295e4ec22fea39dbbb7b1f3d9b1a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79139b1a527c95832558e35e7519a5dec61295e4ec22fea39dbbb7b1f3d9b1a1", kill_on_drop: false }` [INFO] [stdout] 79139b1a527c95832558e35e7519a5dec61295e4ec22fea39dbbb7b1f3d9b1a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eba158b97c94b2ab394970bb1036ce3a319abea0e62cf11a76d944beae427095 [INFO] running `Command { std: "docker" "start" "-a" "eba158b97c94b2ab394970bb1036ce3a319abea0e62cf11a76d944beae427095", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling pulldown-cmark v0.9.6 [INFO] [stderr] Checking percent-encoding v2.3.2 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking fused_error v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg` [INFO] [stdout] --> src/lib.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | #![cfg_attr(doc_cfg, feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stdout] warning: `#[must_use]` has no effect when applied to provided trait methods [INFO] [stdout] --> src/accumulated.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/accumulated.rs:264:27 [INFO] [stdout] | [INFO] [stdout] 264 | self.inner.deref().borrow() [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[E]` does not implement `Borrow`, so calling `borrow` on `&[E]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/iter.rs:126:33 [INFO] [stdout] | [INFO] [stdout] 126 | fn accumulate(self, acc: &mut Accumulator) -> Accumulate [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] 126 | fn accumulate(self, acc: &mut Accumulator) -> Accumulate<'_, Self, E> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/result/mod.rs:823:17 [INFO] [stdout] | [INFO] [stdout] 823 | 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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 823 | 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/result/mod.rs:846:21 [INFO] [stdout] | [INFO] [stdout] 846 | 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] 846 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/result/mod.rs:900:21 [INFO] [stdout] | [INFO] [stdout] 900 | pub fn err_iter(&self) -> accumulator::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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 900 | pub fn err_iter(&self) -> accumulator::Iter<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/result/mod.rs:921:25 [INFO] [stdout] | [INFO] [stdout] 921 | pub fn err_iter_mut(&mut self) -> accumulator::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] 921 | pub fn err_iter_mut(&mut self) -> accumulator::IterMut<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking zerovec v0.11.4 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.3 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking toml_datetime v0.6.11 [INFO] [stderr] Checking serde_spanned v0.6.9 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking version-sync v0.9.5 [INFO] [stdout] warning: unexpected `cfg` condition name: `doc_cfg` [INFO] [stdout] --> src/lib.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | #![cfg_attr(doc_cfg, feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_cfg)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` has no effect when applied to provided trait methods [INFO] [stdout] --> src/accumulated.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/accumulated.rs:264:27 [INFO] [stdout] | [INFO] [stdout] 264 | self.inner.deref().borrow() [INFO] [stdout] | ^^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[E]` does not implement `Borrow`, so calling `borrow` on `&[E]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/iter.rs:126:33 [INFO] [stdout] | [INFO] [stdout] 126 | fn accumulate(self, acc: &mut Accumulator) -> Accumulate [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] 126 | fn accumulate(self, acc: &mut Accumulator) -> Accumulate<'_, Self, E> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/result/mod.rs:823:17 [INFO] [stdout] | [INFO] [stdout] 823 | 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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 823 | 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/result/mod.rs:846:21 [INFO] [stdout] | [INFO] [stdout] 846 | 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] 846 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/result/mod.rs:900:21 [INFO] [stdout] | [INFO] [stdout] 900 | pub fn err_iter(&self) -> accumulator::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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 900 | pub fn err_iter(&self) -> accumulator::Iter<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/result/mod.rs:921:25 [INFO] [stdout] | [INFO] [stdout] 921 | pub fn err_iter_mut(&mut self) -> accumulator::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] 921 | pub fn err_iter_mut(&mut self) -> accumulator::IterMut<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.92s [INFO] running `Command { std: "docker" "inspect" "eba158b97c94b2ab394970bb1036ce3a319abea0e62cf11a76d944beae427095", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eba158b97c94b2ab394970bb1036ce3a319abea0e62cf11a76d944beae427095", kill_on_drop: false }` [INFO] [stdout] eba158b97c94b2ab394970bb1036ce3a319abea0e62cf11a76d944beae427095