[INFO] fetching crate uuid-rs 0.6.2...
[INFO] testing uuid-rs-0.6.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate uuid-rs 0.6.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate uuid-rs 0.6.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mac_address v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fe9fa4046636770fe751abb372bf49b2f74457d97f309e990b4b98a43b94cfb
[INFO] running `Command { std: "docker" "start" "-a" "1fe9fa4046636770fe751abb372bf49b2f74457d97f309e990b4b98a43b94cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fe9fa4046636770fe751abb372bf49b2f74457d97f309e990b4b98a43b94cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe9fa4046636770fe751abb372bf49b2f74457d97f309e990b4b98a43b94cfb", kill_on_drop: false }`
[INFO] [stdout] 1fe9fa4046636770fe751abb372bf49b2f74457d97f309e990b4b98a43b94cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57aa50d327ffafaa8a8dffc2c6aadfa7f9f0ce103460f381eb59562284e2a5b3
[INFO] running `Command { std: "docker" "start" "-a" "57aa50d327ffafaa8a8dffc2c6aadfa7f9f0ce103460f381eb59562284e2a5b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling uuid-rs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "57aa50d327ffafaa8a8dffc2c6aadfa7f9f0ce103460f381eb59562284e2a5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57aa50d327ffafaa8a8dffc2c6aadfa7f9f0ce103460f381eb59562284e2a5b3", kill_on_drop: false }`
[INFO] [stdout] 57aa50d327ffafaa8a8dffc2c6aadfa7f9f0ce103460f381eb59562284e2a5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96f285afc959b5d4f2a9a60ce27325d55d7ba3dbdebaf3f13facbcd30ba63cbf
[INFO] running `Command { std: "docker" "start" "-a" "96f285afc959b5d4f2a9a60ce27325d55d7ba3dbdebaf3f13facbcd30ba63cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling uuid-rs v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "96f285afc959b5d4f2a9a60ce27325d55d7ba3dbdebaf3f13facbcd30ba63cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f285afc959b5d4f2a9a60ce27325d55d7ba3dbdebaf3f13facbcd30ba63cbf", kill_on_drop: false }`
[INFO] [stdout] 96f285afc959b5d4f2a9a60ce27325d55d7ba3dbdebaf3f13facbcd30ba63cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8daf646059ff88c37fc941f30125e8bce2b9331bf3ddbb2b20672d89f1e66521
[INFO] running `Command { std: "docker" "start" "-a" "8daf646059ff88c37fc941f30125e8bce2b9331bf3ddbb2b20672d89f1e66521", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uuid_rs-1d9ccce1f000ff8a)
[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 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "8daf646059ff88c37fc941f30125e8bce2b9331bf3ddbb2b20672d89f1e66521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8daf646059ff88c37fc941f30125e8bce2b9331bf3ddbb2b20672d89f1e66521", kill_on_drop: false }`
[INFO] [stdout] 8daf646059ff88c37fc941f30125e8bce2b9331bf3ddbb2b20672d89f1e66521