[INFO] fetching crate mini 0.0.4... [INFO] checking mini-0.0.4 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205 [INFO] extracting crate mini 0.0.4 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate mini 0.0.4 [INFO] finished tweaking crates.io crate mini 0.0.4 [INFO] tweaked toml for crates.io crate mini 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mini 0.0.4 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mini 0.0.4 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a549c82ec8b33f0fd265b66146c8a20916bd0c3f1ed9b0963de93a92cfa0131 [INFO] running `Command { std: "docker" "start" "-a" "1a549c82ec8b33f0fd265b66146c8a20916bd0c3f1ed9b0963de93a92cfa0131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a549c82ec8b33f0fd265b66146c8a20916bd0c3f1ed9b0963de93a92cfa0131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a549c82ec8b33f0fd265b66146c8a20916bd0c3f1ed9b0963de93a92cfa0131", kill_on_drop: false }` [INFO] [stdout] 1a549c82ec8b33f0fd265b66146c8a20916bd0c3f1ed9b0963de93a92cfa0131 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de136b8db13177b4b169934cdadd3745fa1aed2e49c86136ee9ba46cb3ef9ace [INFO] running `Command { std: "docker" "start" "-a" "de136b8db13177b4b169934cdadd3745fa1aed2e49c86136ee9ba46cb3ef9ace", kill_on_drop: false }` [INFO] [stderr] Checking mini v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/aio/net.rs:307:9 [INFO] [stdout] | [INFO] [stdout] 307 | CString::from_raw(hostname as *mut _); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 307 | let _ = CString::from_raw(hostname as *mut _); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/aio/net.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | CString::from_raw(service as *mut _); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 308 | let _ = CString::from_raw(service as *mut _); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:381:17 [INFO] [stdout] | [INFO] [stdout] 381 | 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: the lint level is defined here [INFO] [stdout] --> src/aio/slab.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(test, deny(warnings, unreachable_pub))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 381 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:396:21 [INFO] [stdout] | [INFO] [stdout] 396 | 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] 396 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:513:25 [INFO] [stdout] | [INFO] [stdout] 513 | pub fn vacant_entry(&mut self) -> VacantEntry { [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] 513 | pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:605:18 [INFO] [stdout] | [INFO] [stdout] 605 | pub fn drain(&mut self) -> Drain { [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] 605 | pub fn drain(&mut self) -> Drain<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mini` (lib test) due to 4 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/aio/net.rs:307:9 [INFO] [stdout] | [INFO] [stdout] 307 | CString::from_raw(hostname as *mut _); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 307 | let _ = CString::from_raw(hostname as *mut _); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used [INFO] [stdout] --> src/aio/net.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | CString::from_raw(service as *mut _); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `CString` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 308 | let _ = CString::from_raw(service as *mut _); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:381:17 [INFO] [stdout] | [INFO] [stdout] 381 | 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: the lint level is defined here [INFO] [stdout] --> src/aio/slab.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings, missing_docs, missing_debug_implementations)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 381 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:396:21 [INFO] [stdout] | [INFO] [stdout] 396 | 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] 396 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:513:25 [INFO] [stdout] | [INFO] [stdout] 513 | pub fn vacant_entry(&mut self) -> VacantEntry { [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] 513 | pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/aio/slab.rs:605:18 [INFO] [stdout] | [INFO] [stdout] 605 | pub fn drain(&mut self) -> Drain { [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] 605 | pub fn drain(&mut self) -> Drain<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mini` (lib) due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "de136b8db13177b4b169934cdadd3745fa1aed2e49c86136ee9ba46cb3ef9ace", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de136b8db13177b4b169934cdadd3745fa1aed2e49c86136ee9ba46cb3ef9ace", kill_on_drop: false }` [INFO] [stdout] de136b8db13177b4b169934cdadd3745fa1aed2e49c86136ee9ba46cb3ef9ace