[INFO] fetching crate taskqueue 0.1.1...
[INFO] testing taskqueue-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate taskqueue 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate taskqueue 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taskqueue 0.1.1
[INFO] finished tweaking crates.io crate taskqueue 0.1.1
[INFO] tweaked toml for crates.io crate taskqueue 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbd664f4dbffddb08af96fa1ab4610c81e770d57a9f82c125f5171dc184f5665
[INFO] running `Command { std: "docker" "start" "-a" "cbd664f4dbffddb08af96fa1ab4610c81e770d57a9f82c125f5171dc184f5665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd664f4dbffddb08af96fa1ab4610c81e770d57a9f82c125f5171dc184f5665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd664f4dbffddb08af96fa1ab4610c81e770d57a9f82c125f5171dc184f5665", kill_on_drop: false }`
[INFO] [stdout] cbd664f4dbffddb08af96fa1ab4610c81e770d57a9f82c125f5171dc184f5665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739ac9d058b73d6268d71e2773ae26763e90de1fe6d725437979ca643483112f
[INFO] running `Command { std: "docker" "start" "-a" "739ac9d058b73d6268d71e2773ae26763e90de1fe6d725437979ca643483112f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling taskqueue v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "739ac9d058b73d6268d71e2773ae26763e90de1fe6d725437979ca643483112f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739ac9d058b73d6268d71e2773ae26763e90de1fe6d725437979ca643483112f", kill_on_drop: false }`
[INFO] [stdout] 739ac9d058b73d6268d71e2773ae26763e90de1fe6d725437979ca643483112f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23bb94fe4428eb0be31c5c2ee6f3fa94e184922e1f0ea578d5e403157c97f47a
[INFO] running `Command { std: "docker" "start" "-a" "23bb94fe4428eb0be31c5c2ee6f3fa94e184922e1f0ea578d5e403157c97f47a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stderr]    Compiling ntest v0.7.3
[INFO] [stderr]    Compiling taskqueue v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `task_queue`
[INFO] [stdout]  --> tests/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use task_queue::{
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `task_queue`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taskqueue` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "23bb94fe4428eb0be31c5c2ee6f3fa94e184922e1f0ea578d5e403157c97f47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23bb94fe4428eb0be31c5c2ee6f3fa94e184922e1f0ea578d5e403157c97f47a", kill_on_drop: false }`
[INFO] [stdout] 23bb94fe4428eb0be31c5c2ee6f3fa94e184922e1f0ea578d5e403157c97f47a