[INFO] fetching crate stk 0.2.1...
[INFO] checking stk-0.2.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate stk 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate stk 0.2.1
[INFO] finished tweaking crates.io crate stk 0.2.1
[INFO] tweaked toml for crates.io crate stk 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stk 0.2.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] [stderr]       Adding hashbrown v0.8.2 (available: v0.16.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.48.0)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3274616d672c3b997c75a02009341efbb359e0c08dbb5d83934c288284a568e
[INFO] running `Command { std: "docker" "start" "-a" "d3274616d672c3b997c75a02009341efbb359e0c08dbb5d83934c288284a568e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3274616d672c3b997c75a02009341efbb359e0c08dbb5d83934c288284a568e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3274616d672c3b997c75a02009341efbb359e0c08dbb5d83934c288284a568e", kill_on_drop: false }`
[INFO] [stdout] d3274616d672c3b997c75a02009341efbb359e0c08dbb5d83934c288284a568e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d856124421e6bc0cc8b4e3d6b1e63bd349043b34120b5ba0c2b7db78bc95375d
[INFO] running `Command { std: "docker" "start" "-a" "d856124421e6bc0cc8b4e3d6b1e63bd349043b34120b5ba0c2b7db78bc95375d", kill_on_drop: false }`
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking stk v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hashbrown::HashSet`
[INFO] [stdout]   --> src/lib.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub use hashbrown::HashSet;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/any.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Box::from_raw(this as *mut () as *mut T);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 44 |             let _ = Box::from_raw(this as *mut () as *mut T);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/unit.rs:360:86
[INFO] [stdout]     |
[INFO] [stdout] 360 |     pub fn iter_imports<'a>(&'a self) -> impl Iterator<Item = (&'a str, &'a Item)> + '_ {
[INFO] [stdout]     |                              --                                 --       --          ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |                                  |        |
[INFO] [stdout]     |                              |                                  |        the same lifetime is named here
[INFO] [stdout]     |                              the lifetime is named here         the same lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 360 -     pub fn iter_imports<'a>(&'a self) -> impl Iterator<Item = (&'a str, &'a Item)> + '_ {
[INFO] [stdout] 360 +     pub fn iter_imports<'a>(&'a self) -> impl Iterator<Item = (&'a str, &'a Item)> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stdout] warning: unused import: `hashbrown::HashSet`
[INFO] [stdout]   --> src/lib.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub use hashbrown::HashSet;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/any.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             Box::from_raw(this as *mut () as *mut T);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 44 |             let _ = Box::from_raw(this as *mut () as *mut T);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/unit.rs:360:86
[INFO] [stdout]     |
[INFO] [stdout] 360 |     pub fn iter_imports<'a>(&'a self) -> impl Iterator<Item = (&'a str, &'a Item)> + '_ {
[INFO] [stdout]     |                              --                                 --       --          ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |                                  |        |
[INFO] [stdout]     |                              |                                  |        the same lifetime is named here
[INFO] [stdout]     |                              the lifetime is named here         the same lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 360 -     pub fn iter_imports<'a>(&'a self) -> impl Iterator<Item = (&'a str, &'a Item)> + '_ {
[INFO] [stdout] 360 +     pub fn iter_imports<'a>(&'a self) -> impl Iterator<Item = (&'a str, &'a Item)> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.62s
[INFO] running `Command { std: "docker" "inspect" "d856124421e6bc0cc8b4e3d6b1e63bd349043b34120b5ba0c2b7db78bc95375d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d856124421e6bc0cc8b4e3d6b1e63bd349043b34120b5ba0c2b7db78bc95375d", kill_on_drop: false }`
[INFO] [stdout] d856124421e6bc0cc8b4e3d6b1e63bd349043b34120b5ba0c2b7db78bc95375d
