[INFO] fetching crate k-bucket 0.1.0...
[INFO] testing k-bucket-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate k-bucket 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate k-bucket 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate k-bucket 0.1.0
[INFO] finished tweaking crates.io crate k-bucket 0.1.0
[INFO] tweaked toml for crates.io crate k-bucket 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17bcd5f8d9649f71ea391d9fdda2d95439dfbe2f00c5fb7cef71b4d81ce39361
[INFO] running `Command { std: "docker" "start" "-a" "17bcd5f8d9649f71ea391d9fdda2d95439dfbe2f00c5fb7cef71b4d81ce39361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17bcd5f8d9649f71ea391d9fdda2d95439dfbe2f00c5fb7cef71b4d81ce39361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bcd5f8d9649f71ea391d9fdda2d95439dfbe2f00c5fb7cef71b4d81ce39361", kill_on_drop: false }`
[INFO] [stdout] 17bcd5f8d9649f71ea391d9fdda2d95439dfbe2f00c5fb7cef71b4d81ce39361
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fad7b2a4bc23f52639074d038235083edd0ab3725933060b93256005226e794b
[INFO] running `Command { std: "docker" "start" "-a" "fad7b2a4bc23f52639074d038235083edd0ab3725933060b93256005226e794b", 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] [stderr]    Compiling k-bucket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "fad7b2a4bc23f52639074d038235083edd0ab3725933060b93256005226e794b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad7b2a4bc23f52639074d038235083edd0ab3725933060b93256005226e794b", kill_on_drop: false }`
[INFO] [stdout] fad7b2a4bc23f52639074d038235083edd0ab3725933060b93256005226e794b
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a93262779fbf43a4608511c31fa482e9be5ec1ba4bfb239edbb40bb6b7f399
[INFO] running `Command { std: "docker" "start" "-a" "b4a93262779fbf43a4608511c31fa482e9be5ec1ba4bfb239edbb40bb6b7f399", kill_on_drop: false }`
[INFO] [stderr] warning: k-bucket v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `clippy` which is missing a lib target
[INFO] [stderr]    Compiling k-bucket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `k_bucket::Contact`
[INFO] [stdout]  --> tests/add.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use k_bucket::{Contact, KBucket};
[INFO] [stdout]   |                ^^^^^^^ no `Contact` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KBucket`
[INFO] [stdout]  --> tests/add.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use k_bucket::{Contact, KBucket};
[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 `k-bucket` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `clippy`
[INFO] [stdout]  --> src/lib.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(test, plugin(clippy))]
[INFO] [stdout]   |                          ^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b4a93262779fbf43a4608511c31fa482e9be5ec1ba4bfb239edbb40bb6b7f399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a93262779fbf43a4608511c31fa482e9be5ec1ba4bfb239edbb40bb6b7f399", kill_on_drop: false }`
[INFO] [stdout] b4a93262779fbf43a4608511c31fa482e9be5ec1ba4bfb239edbb40bb6b7f399