[INFO] fetching crate executioner 0.0.1...
[INFO] testing executioner-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate executioner 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate executioner 0.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate executioner 0.0.1
[INFO] finished tweaking crates.io crate executioner 0.0.1
[INFO] tweaked toml for crates.io crate executioner 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d32f4fffbf695d4f2761d9253ef915ad1b3d9797d9f64cb3432a9e7163f6187
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d32f4fffbf695d4f2761d9253ef915ad1b3d9797d9f64cb3432a9e7163f6187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d32f4fffbf695d4f2761d9253ef915ad1b3d9797d9f64cb3432a9e7163f6187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d32f4fffbf695d4f2761d9253ef915ad1b3d9797d9f64cb3432a9e7163f6187", kill_on_drop: false }`
[INFO] [stdout] 9d32f4fffbf695d4f2761d9253ef915ad1b3d9797d9f64cb3432a9e7163f6187
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9836025a05be852e935499b801aa2e9cd8af07baa62204a83eb8490e5c7c070f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9836025a05be852e935499b801aa2e9cd8af07baa62204a83eb8490e5c7c070f", kill_on_drop: false }`
[INFO] [stderr]    Compiling executioner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9836025a05be852e935499b801aa2e9cd8af07baa62204a83eb8490e5c7c070f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9836025a05be852e935499b801aa2e9cd8af07baa62204a83eb8490e5c7c070f", kill_on_drop: false }`
[INFO] [stdout] 9836025a05be852e935499b801aa2e9cd8af07baa62204a83eb8490e5c7c070f
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0007248650ed7c5da916b8a3c6687b38daa18ab79970f5331e656c523b5d3ba5
[INFO] running `Command { std: "docker" "start" "-a" "0007248650ed7c5da916b8a3c6687b38daa18ab79970f5331e656c523b5d3ba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling executioner v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `extreme`
[INFO] [stdout]   --> tests/smoke.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     extreme::run(async {});
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `extreme`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `extreme`
[INFO] [stdout]   --> tests/smoke.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     extreme::run(async {
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `extreme`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `extreme`
[INFO] [stdout]   --> tests/smoke.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     extreme::run(async {
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `extreme`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `extreme`
[INFO] [stdout]   --> tests/smoke.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     extreme::run(async {
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `extreme`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `executioner`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0007248650ed7c5da916b8a3c6687b38daa18ab79970f5331e656c523b5d3ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0007248650ed7c5da916b8a3c6687b38daa18ab79970f5331e656c523b5d3ba5", kill_on_drop: false }`
[INFO] [stdout] 0007248650ed7c5da916b8a3c6687b38daa18ab79970f5331e656c523b5d3ba5