[INFO] fetching crate joinable 0.1.0...
[INFO] testing joinable-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate joinable 0.1.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate joinable 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate joinable 0.1.0
[INFO] finished tweaking crates.io crate joinable 0.1.0
[INFO] tweaked toml for crates.io crate joinable 0.1.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fbbd847452015f5a94ec352fa549260afe878b589c80cef0fbd07e232995b7c
[INFO] running `Command { std: "docker" "start" "-a" "6fbbd847452015f5a94ec352fa549260afe878b589c80cef0fbd07e232995b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbbd847452015f5a94ec352fa549260afe878b589c80cef0fbd07e232995b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbbd847452015f5a94ec352fa549260afe878b589c80cef0fbd07e232995b7c", kill_on_drop: false }`
[INFO] [stdout] 6fbbd847452015f5a94ec352fa549260afe878b589c80cef0fbd07e232995b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 982e0d32222d1625c9916056b6e3ecbee5d683bc55d41ca9bcad0357b60d997f
[INFO] running `Command { std: "docker" "start" "-a" "982e0d32222d1625c9916056b6e3ecbee5d683bc55d41ca9bcad0357b60d997f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling joinable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "982e0d32222d1625c9916056b6e3ecbee5d683bc55d41ca9bcad0357b60d997f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982e0d32222d1625c9916056b6e3ecbee5d683bc55d41ca9bcad0357b60d997f", kill_on_drop: false }`
[INFO] [stdout] 982e0d32222d1625c9916056b6e3ecbee5d683bc55d41ca9bcad0357b60d997f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b184c0dac65340c1cd29f6b7dd8b9f7dfccdbeef5a1f0c8a364e4a7083386fc8
[INFO] running `Command { std: "docker" "start" "-a" "b184c0dac65340c1cd29f6b7dd8b9f7dfccdbeef5a1f0c8a364e4a7083386fc8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling joinable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "b184c0dac65340c1cd29f6b7dd8b9f7dfccdbeef5a1f0c8a364e4a7083386fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b184c0dac65340c1cd29f6b7dd8b9f7dfccdbeef5a1f0c8a364e4a7083386fc8", kill_on_drop: false }`
[INFO] [stdout] b184c0dac65340c1cd29f6b7dd8b9f7dfccdbeef5a1f0c8a364e4a7083386fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6eb975a1c15ee6824f50e54e95aa22338ee5c08a6391ecedc65ceec7411e3a9
[INFO] running `Command { std: "docker" "start" "-a" "e6eb975a1c15ee6824f50e54e95aa22338ee5c08a6391ecedc65ceec7411e3a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/joinable-53ad8f64fd540c7d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests joinable
[INFO] [stdout] running 2 tests
[INFO] [stdout] test rhs::test_has_value_sorted ... ok
[INFO] [stdout] test rhs::test_has_value_unsorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `joinable` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub use joinable::Joinable;
[INFO] [stderr]    |         ^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `joinable` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::joinable` to refer to this crate unambiguously
[INFO] [stderr] note: `joinable` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | mod joinable;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::joinable` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "e6eb975a1c15ee6824f50e54e95aa22338ee5c08a6391ecedc65ceec7411e3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6eb975a1c15ee6824f50e54e95aa22338ee5c08a6391ecedc65ceec7411e3a9", kill_on_drop: false }`
[INFO] [stdout] e6eb975a1c15ee6824f50e54e95aa22338ee5c08a6391ecedc65ceec7411e3a9