[INFO] fetching crate stk 0.2.1...
[INFO] building stk-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stk 0.2.1 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stk 0.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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: v2.0.16)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e446a28630dfbfd8d72614f0b81cf69cb36021dc0777976f533d1969a6e2f3
[INFO] running `Command { std: "docker" "start" "-a" "63e446a28630dfbfd8d72614f0b81cf69cb36021dc0777976f533d1969a6e2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e446a28630dfbfd8d72614f0b81cf69cb36021dc0777976f533d1969a6e2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e446a28630dfbfd8d72614f0b81cf69cb36021dc0777976f533d1969a6e2f3", kill_on_drop: false }`
[INFO] [stdout] 63e446a28630dfbfd8d72614f0b81cf69cb36021dc0777976f533d1969a6e2f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d08e77bf7c359c9b32b43ee359cf5e8018b6e357bd380c3f68bb22f7e4b22a
[INFO] running `Command { std: "docker" "start" "-a" "50d08e77bf7c359c9b32b43ee359cf5e8018b6e357bd380c3f68bb22f7e4b22a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling 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: 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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "50d08e77bf7c359c9b32b43ee359cf5e8018b6e357bd380c3f68bb22f7e4b22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d08e77bf7c359c9b32b43ee359cf5e8018b6e357bd380c3f68bb22f7e4b22a", kill_on_drop: false }`
[INFO] [stdout] 50d08e77bf7c359c9b32b43ee359cf5e8018b6e357bd380c3f68bb22f7e4b22a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5652c03cc8fc3ea65fe79fdc247568990a00d71a352dfec3ab11beb16097eb1d
[INFO] running `Command { std: "docker" "start" "-a" "5652c03cc8fc3ea65fe79fdc247568990a00d71a352dfec3ab11beb16097eb1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[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: 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] [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] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling 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: 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] [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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "5652c03cc8fc3ea65fe79fdc247568990a00d71a352dfec3ab11beb16097eb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5652c03cc8fc3ea65fe79fdc247568990a00d71a352dfec3ab11beb16097eb1d", kill_on_drop: false }`
[INFO] [stdout] 5652c03cc8fc3ea65fe79fdc247568990a00d71a352dfec3ab11beb16097eb1d
