[INFO] fetching crate waitpool 0.1.0...
[INFO] testing waitpool-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate waitpool 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate waitpool 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waitpool 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate waitpool 0.1.0
[INFO] tweaked toml for crates.io crate waitpool 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate waitpool 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07f09c2feeb523d4f0adc7f0d4a9f79f55e7eecbe1d7bc9f71b5fc9d91eef5ee
[INFO] running `Command { std: "docker" "start" "-a" "07f09c2feeb523d4f0adc7f0d4a9f79f55e7eecbe1d7bc9f71b5fc9d91eef5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f09c2feeb523d4f0adc7f0d4a9f79f55e7eecbe1d7bc9f71b5fc9d91eef5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f09c2feeb523d4f0adc7f0d4a9f79f55e7eecbe1d7bc9f71b5fc9d91eef5ee", kill_on_drop: false }`
[INFO] [stdout] 07f09c2feeb523d4f0adc7f0d4a9f79f55e7eecbe1d7bc9f71b5fc9d91eef5ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd6bf7db0ae9a935c81a1bf2920090b1b4d9a16f2b8074a42ffd4d7fcb34c08a
[INFO] running `Command { std: "docker" "start" "-a" "fd6bf7db0ae9a935c81a1bf2920090b1b4d9a16f2b8074a42ffd4d7fcb34c08a", kill_on_drop: false }`
[INFO] [stderr]    Compiling waitpool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "fd6bf7db0ae9a935c81a1bf2920090b1b4d9a16f2b8074a42ffd4d7fcb34c08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6bf7db0ae9a935c81a1bf2920090b1b4d9a16f2b8074a42ffd4d7fcb34c08a", kill_on_drop: false }`
[INFO] [stdout] fd6bf7db0ae9a935c81a1bf2920090b1b4d9a16f2b8074a42ffd4d7fcb34c08a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f316d5e24bd3e7f29f0ba82a9c58aea3235384c811848b8f074e8c16a11ca295
[INFO] running `Command { std: "docker" "start" "-a" "f316d5e24bd3e7f29f0ba82a9c58aea3235384c811848b8f074e8c16a11ca295", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling waitpool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `pool`
[INFO] [stdout]  --> examples/basic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pool::Pool;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> examples/basic.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread::{self, sleep};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `waitpool` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f316d5e24bd3e7f29f0ba82a9c58aea3235384c811848b8f074e8c16a11ca295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f316d5e24bd3e7f29f0ba82a9c58aea3235384c811848b8f074e8c16a11ca295", kill_on_drop: false }`
[INFO] [stdout] f316d5e24bd3e7f29f0ba82a9c58aea3235384c811848b8f074e8c16a11ca295