[INFO] fetching crate gapbuf 0.1.4... [INFO] checking gapbuf-0.1.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate gapbuf 0.1.4 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate gapbuf 0.1.4 [INFO] finished tweaking crates.io crate gapbuf 0.1.4 [INFO] tweaked toml for crates.io crate gapbuf 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate gapbuf 0.1.4 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 gapbuf 0.1.4 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] Downloading crates ... [INFO] [stderr] Downloaded structmeta-derive v0.1.5 [INFO] [stderr] Downloaded structmeta v0.1.5 [INFO] [stderr] Downloaded test-strategy v0.2.0 [INFO] [stderr] Downloaded libc v0.2.131 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 889debc601ca32b6f05623a4d5faa33a2e41557e2c1c213afa93da7c2caf6a34 [INFO] running `Command { std: "docker" "start" "-a" "889debc601ca32b6f05623a4d5faa33a2e41557e2c1c213afa93da7c2caf6a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "889debc601ca32b6f05623a4d5faa33a2e41557e2c1c213afa93da7c2caf6a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "889debc601ca32b6f05623a4d5faa33a2e41557e2c1c213afa93da7c2caf6a34", kill_on_drop: false }` [INFO] [stdout] 889debc601ca32b6f05623a4d5faa33a2e41557e2c1c213afa93da7c2caf6a34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bea84e027946b0af25aa3e2e3276691d76452eea53792d2f9e4ee69e2d9db4d7 [INFO] running `Command { std: "docker" "start" "-a" "bea84e027946b0af25aa3e2e3276691d76452eea53792d2f9e4ee69e2d9db4d7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.131 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking gapbuf v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:518:18 [INFO] [stdout] | [INFO] [stdout] 518 | pub fn drain(&mut self, range: impl RangeBounds) -> Drain { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here -------- the same lifetime is hidden 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] 518 | pub fn drain(&mut self, range: impl RangeBounds) -> Drain<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:549:9 [INFO] [stdout] | [INFO] [stdout] 549 | &mut self, [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 552 | ) -> Splice { [INFO] [stdout] | ---------------------- the same lifetime is hidden 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] 552 | ) -> Splice<'_, T, I::IntoIter> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:931:18 [INFO] [stdout] | [INFO] [stdout] 931 | pub fn range(&self, range: impl RangeBounds) -> Range { [INFO] [stdout] | ^^^^^ the lifetime is elided here -------- the same lifetime is hidden 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] 931 | pub fn range(&self, range: impl RangeBounds) -> Range<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:955:22 [INFO] [stdout] | [INFO] [stdout] 955 | pub fn range_mut(&mut self, range: impl RangeBounds) -> RangeMut { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ----------- the same lifetime is hidden 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] 955 | pub fn range_mut(&mut self, range: impl RangeBounds) -> RangeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:1069:17 [INFO] [stdout] | [INFO] [stdout] 1069 | 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] 1069 | 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/gap_buffer.rs:1075:21 [INFO] [stdout] | [INFO] [stdout] 1075 | 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] 1075 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Compiling structmeta-derive v0.1.5 [INFO] [stderr] Compiling structmeta v0.1.5 [INFO] [stderr] Compiling test-strategy v0.2.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:518:18 [INFO] [stdout] | [INFO] [stdout] 518 | pub fn drain(&mut self, range: impl RangeBounds) -> Drain { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here -------- the same lifetime is hidden 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] 518 | pub fn drain(&mut self, range: impl RangeBounds) -> Drain<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:549:9 [INFO] [stdout] | [INFO] [stdout] 549 | &mut self, [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 552 | ) -> Splice { [INFO] [stdout] | ---------------------- the same lifetime is hidden 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] 552 | ) -> Splice<'_, T, I::IntoIter> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:931:18 [INFO] [stdout] | [INFO] [stdout] 931 | pub fn range(&self, range: impl RangeBounds) -> Range { [INFO] [stdout] | ^^^^^ the lifetime is elided here -------- the same lifetime is hidden 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] 931 | pub fn range(&self, range: impl RangeBounds) -> Range<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:955:22 [INFO] [stdout] | [INFO] [stdout] 955 | pub fn range_mut(&mut self, range: impl RangeBounds) -> RangeMut { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ----------- the same lifetime is hidden 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] 955 | pub fn range_mut(&mut self, range: impl RangeBounds) -> RangeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/gap_buffer.rs:1069:17 [INFO] [stdout] | [INFO] [stdout] 1069 | 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] 1069 | 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/gap_buffer.rs:1075:21 [INFO] [stdout] | [INFO] [stdout] 1075 | 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] 1075 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.88s [INFO] running `Command { std: "docker" "inspect" "bea84e027946b0af25aa3e2e3276691d76452eea53792d2f9e4ee69e2d9db4d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bea84e027946b0af25aa3e2e3276691d76452eea53792d2f9e4ee69e2d9db4d7", kill_on_drop: false }` [INFO] [stdout] bea84e027946b0af25aa3e2e3276691d76452eea53792d2f9e4ee69e2d9db4d7