[INFO] fetching crate kannon 0.0.2...
[INFO] testing kannon-0.0.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate kannon 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kannon 0.0.2
[INFO] finished tweaking crates.io crate kannon 0.0.2
[INFO] tweaked toml for crates.io crate kannon 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kannon 0.0.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `kannon` which is deprecated
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3185d9872d3eb1b44e4a8adba99b80d62b6e5f0466a88460cbceca81c0a24f9c
[INFO] running `Command { std: "docker" "start" "-a" "3185d9872d3eb1b44e4a8adba99b80d62b6e5f0466a88460cbceca81c0a24f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3185d9872d3eb1b44e4a8adba99b80d62b6e5f0466a88460cbceca81c0a24f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3185d9872d3eb1b44e4a8adba99b80d62b6e5f0466a88460cbceca81c0a24f9c", kill_on_drop: false }`
[INFO] [stdout] 3185d9872d3eb1b44e4a8adba99b80d62b6e5f0466a88460cbceca81c0a24f9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba3aa07113430940e4aef51e5ed7af681017a1391c400e66b80f9d79b397084
[INFO] running `Command { std: "docker" "start" "-a" "eba3aa07113430940e4aef51e5ed7af681017a1391c400e66b80f9d79b397084", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `kannon` which is deprecated
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]    Compiling kannon v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `available_concurrency` in module `thread`
[INFO] [stdout]    --> src/task/worker.rs:192:45
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let available_concurrency = thread::available_concurrency()
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: `available_parallelism` has a name defined in the doc alias attribute as `available_concurrency`
[INFO] [stdout]     |
[INFO] [stdout] 192 -         let available_concurrency = thread::available_concurrency()
[INFO] [stdout] 192 +         let available_concurrency = thread::available_parallelism()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `available_concurrency`
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(available_concurrency)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/task/group.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 403 |           todo!("Not yet implemented");
[INFO] [stdout]     |           ---------------------------- any code following this expression is unreachable
[INFO] [stdout] 404 | /         let pred: &dyn Fn(&&GroupHandle) -> bool = &|x: &&GroupHandle| match (*x).value_as_ref() {
[INFO] [stdout] 405 | |             None => false,
[INFO] [stdout] 406 | |             Some(accessor) => accessor.has_predecessors(),
[INFO] [stdout] 407 | |         };
[INFO] [stdout]     | |__________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kannon` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stdout] Some errors have detailed explanations: E0425, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eba3aa07113430940e4aef51e5ed7af681017a1391c400e66b80f9d79b397084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba3aa07113430940e4aef51e5ed7af681017a1391c400e66b80f9d79b397084", kill_on_drop: false }`
[INFO] [stdout] eba3aa07113430940e4aef51e5ed7af681017a1391c400e66b80f9d79b397084