[INFO] fetching crate smallvectune 0.0.1...
[INFO] checking smallvectune-0.0.1 against master#43a4909ee98ed4d006d9d773f5d94dc58e34f846 for pr-157576
[INFO] extracting crate smallvectune 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate smallvectune 0.0.1
[INFO] finished tweaking crates.io crate smallvectune 0.0.1
[INFO] tweaked toml for crates.io crate smallvectune 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smallvectune 0.0.1 on toolchain 43a4909ee98ed4d006d9d773f5d94dc58e34f846
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "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" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-channel v0.2.6 (available: v0.5.15)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.1)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.15.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `smallvectune` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-channel v0.2.6
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66
[INFO] running `Command { std: "docker" "start" "814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66" "/opt/rustwide/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66" "/opt/rustwide/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `smallvectune` (manifest) generated 1 warning
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking smallvectune v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:334:7
[INFO] [stdout]     |
[INFO] [stdout] 334 | #[cfg(feature = "serde")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `std`, and `union`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:341:7
[INFO] [stdout]     |
[INFO] [stdout] 341 | #[cfg(feature = "serde")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `std`, and `union`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:131:18
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn drain(&mut self) -> Drain<A::Item> {
[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] 131 |     pub fn drain(&mut self) -> Drain<'_, A::Item> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:334:7
[INFO] [stdout]     |
[INFO] [stdout] 334 | #[cfg(feature = "serde")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `std`, and `union`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `serde`
[INFO] [stdout]    --> src/lib.rs:341:7
[INFO] [stdout]     |
[INFO] [stdout] 341 | #[cfg(feature = "serde")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default`, `std`, and `union`
[INFO] [stdout]     = help: consider adding `serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:506:5
[INFO] [stdout]     |
[INFO] [stdout] 506 |     writeln!(w, "{};{};{};{}", item_size, array_size, addrem, capacity);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 506 |     let _ = writeln!(w, "{};{};{};{}", item_size, array_size, addrem, capacity);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:131:18
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn drain(&mut self) -> Drain<A::Item> {
[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] 131 |     pub fn drain(&mut self) -> Drain<'_, A::Item> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:506:5
[INFO] [stdout]     |
[INFO] [stdout] 506 |     writeln!(w, "{};{};{};{}", item_size, array_size, addrem, capacity);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 506 |     let _ = writeln!(w, "{};{};{};{}", item_size, array_size, addrem, capacity);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66", kill_on_drop: false }`
[INFO] [stdout] 814e0ae44b04a77e7c5c970ff04ecceab9d22f3b42783ec512c56f9e425c4d66
