[INFO] fetching crate waitpool 0.3.0...
[INFO] checking waitpool-0.3.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate waitpool 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate waitpool 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate waitpool 0.3.0
[INFO] tweaked toml for crates.io crate waitpool 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate waitpool 0.3.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waitpool 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56a24c3d7127502eb25afc24844432cd1ec63c8d52321cc5a44f87638f428056
[INFO] running `Command { std: "docker" "start" "-a" "56a24c3d7127502eb25afc24844432cd1ec63c8d52321cc5a44f87638f428056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a24c3d7127502eb25afc24844432cd1ec63c8d52321cc5a44f87638f428056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a24c3d7127502eb25afc24844432cd1ec63c8d52321cc5a44f87638f428056", kill_on_drop: false }`
[INFO] [stdout] 56a24c3d7127502eb25afc24844432cd1ec63c8d52321cc5a44f87638f428056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 225f9ccfad3afe0924c460f28833d6ee485594dbf68c8a9980141f158e42f4bb
[INFO] running `Command { std: "docker" "start" "-a" "225f9ccfad3afe0924c460f28833d6ee485594dbf68c8a9980141f158e42f4bb", kill_on_drop: false }`
[INFO] [stderr]     Checking waitpool v0.3.0 (/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 unresolved module or unlinked crate `pool`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `pool`, use `cargo add pool` to add it to your `Cargo.toml`
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `waitpool` (example "basic") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "225f9ccfad3afe0924c460f28833d6ee485594dbf68c8a9980141f158e42f4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225f9ccfad3afe0924c460f28833d6ee485594dbf68c8a9980141f158e42f4bb", kill_on_drop: false }`
[INFO] [stdout] 225f9ccfad3afe0924c460f28833d6ee485594dbf68c8a9980141f158e42f4bb