[INFO] fetching crate uuid-rs 0.6.2...
[INFO] testing uuid-rs-0.6.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate uuid-rs 0.6.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate uuid-rs 0.6.2 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 uuid-rs 0.6.2
[INFO] finished tweaking crates.io crate uuid-rs 0.6.2
[INFO] tweaked toml for crates.io crate uuid-rs 0.6.2 written to /workspace/builds/worker-5/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mac_address v1.1.1
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d5c534091933b9804b846b16c050150f2770419b540fb0ef029935ae3410d3d2
[INFO] running `Command { std: "docker" "start" "-a" "d5c534091933b9804b846b16c050150f2770419b540fb0ef029935ae3410d3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c534091933b9804b846b16c050150f2770419b540fb0ef029935ae3410d3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c534091933b9804b846b16c050150f2770419b540fb0ef029935ae3410d3d2", kill_on_drop: false }`
[INFO] [stdout] d5c534091933b9804b846b16c050150f2770419b540fb0ef029935ae3410d3d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6f8fc0060d2bf996225df63e9eae37aefadd877a0eca1f3e367ed9c799c46604
[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" "6f8fc0060d2bf996225df63e9eae37aefadd877a0eca1f3e367ed9c799c46604", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid-rs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "6f8fc0060d2bf996225df63e9eae37aefadd877a0eca1f3e367ed9c799c46604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8fc0060d2bf996225df63e9eae37aefadd877a0eca1f3e367ed9c799c46604", kill_on_drop: false }`
[INFO] [stdout] 6f8fc0060d2bf996225df63e9eae37aefadd877a0eca1f3e367ed9c799c46604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 6d337293aba0e59dbd53eb5a289ce6b3744009b6097dc578af5545b168ff4804
[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" "6d337293aba0e59dbd53eb5a289ce6b3744009b6097dc578af5545b168ff4804", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid-rs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "6d337293aba0e59dbd53eb5a289ce6b3744009b6097dc578af5545b168ff4804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d337293aba0e59dbd53eb5a289ce6b3744009b6097dc578af5545b168ff4804", kill_on_drop: false }`
[INFO] [stdout] 6d337293aba0e59dbd53eb5a289ce6b3744009b6097dc578af5545b168ff4804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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", 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] 23c2833c887eb0b47675da2526fad3526f98cfa87a94cda079c2cefb64fdc40f
[INFO] running `Command { std: "docker" "start" "-a" "23c2833c887eb0b47675da2526fad3526f98cfa87a94cda079c2cefb64fdc40f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/uuid_rs-2c16e418879e4e49
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uuid-rs
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `uuid_rs::v4`
[INFO] [stdout]  --> src/lib.rs:12:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use uuid_rs::v4;
[INFO] [stdout]   |     ^^^^^^^^^^^ no `v4` in the root
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `v4`
[INFO] [stdout]  --> src/lib.rs:15:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("{}", v4!());
[INFO] [stdout]   |                    ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "23c2833c887eb0b47675da2526fad3526f98cfa87a94cda079c2cefb64fdc40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c2833c887eb0b47675da2526fad3526f98cfa87a94cda079c2cefb64fdc40f", kill_on_drop: false }`
[INFO] [stdout] 23c2833c887eb0b47675da2526fad3526f98cfa87a94cda079c2cefb64fdc40f