[INFO] fetching crate mini 0.0.4... [INFO] testing mini-0.0.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate mini 0.0.4 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mini 0.0.4 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afc9e7056d13105dab241bfa9f447c7c8517644426263552559c2591cfb1e0e8 [INFO] running `Command { std: "docker" "start" "-a" "afc9e7056d13105dab241bfa9f447c7c8517644426263552559c2591cfb1e0e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afc9e7056d13105dab241bfa9f447c7c8517644426263552559c2591cfb1e0e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afc9e7056d13105dab241bfa9f447c7c8517644426263552559c2591cfb1e0e8", kill_on_drop: false }` [INFO] [stdout] afc9e7056d13105dab241bfa9f447c7c8517644426263552559c2591cfb1e0e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 774edb0cec3639fb7d5534bfe399ccf8186d72bbf2d51815c46cf11b8b014722 [INFO] running `Command { std: "docker" "start" "-a" "774edb0cec3639fb7d5534bfe399ccf8186d72bbf2d51815c46cf11b8b014722", kill_on_drop: false }` [INFO] [stderr] Compiling 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: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" "774edb0cec3639fb7d5534bfe399ccf8186d72bbf2d51815c46cf11b8b014722", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "774edb0cec3639fb7d5534bfe399ccf8186d72bbf2d51815c46cf11b8b014722", kill_on_drop: false }` [INFO] [stdout] 774edb0cec3639fb7d5534bfe399ccf8186d72bbf2d51815c46cf11b8b014722