[INFO] fetching crate fera 0.2.0...
[INFO] testing fera-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fera 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fera 0.2.0 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 fera 0.2.0
[INFO] finished tweaking crates.io crate fera 0.2.0
[INFO] tweaked toml for crates.io crate fera 0.2.0 written to /workspace/builds/worker-2/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 fera-ext v0.2.0
[INFO] [stderr]   Downloaded fera-array v0.1.0
[INFO] [stderr]   Downloaded fera-graph v0.2.0
[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" "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] bd3094ed900100a5eb7b8df834a434cfeed81798e6919611023a5f183e5012ea
[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" "bd3094ed900100a5eb7b8df834a434cfeed81798e6919611023a5f183e5012ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd3094ed900100a5eb7b8df834a434cfeed81798e6919611023a5f183e5012ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3094ed900100a5eb7b8df834a434cfeed81798e6919611023a5f183e5012ea", kill_on_drop: false }`
[INFO] [stdout] bd3094ed900100a5eb7b8df834a434cfeed81798e6919611023a5f183e5012ea
[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" "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] 8f3780843215bfd5644a32b26b82131de78f9f659ed0f023a4a20a14e4f2aaca
[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" "8f3780843215bfd5644a32b26b82131de78f9f659ed0f023a4a20a14e4f2aaca", kill_on_drop: false }`
[INFO] [stderr]    Compiling fera v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "8f3780843215bfd5644a32b26b82131de78f9f659ed0f023a4a20a14e4f2aaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3780843215bfd5644a32b26b82131de78f9f659ed0f023a4a20a14e4f2aaca", kill_on_drop: false }`
[INFO] [stdout] 8f3780843215bfd5644a32b26b82131de78f9f659ed0f023a4a20a14e4f2aaca
[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" "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] 305823e14baaa26ce3441ceca20675ca8e17616a86d1f6837076ce315a8f6c85
[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" "305823e14baaa26ce3441ceca20675ca8e17616a86d1f6837076ce315a8f6c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stderr]    Compiling fera v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `Command { std: "docker" "inspect" "305823e14baaa26ce3441ceca20675ca8e17616a86d1f6837076ce315a8f6c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305823e14baaa26ce3441ceca20675ca8e17616a86d1f6837076ce315a8f6c85", kill_on_drop: false }`
[INFO] [stdout] 305823e14baaa26ce3441ceca20675ca8e17616a86d1f6837076ce315a8f6c85
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ccf2a51c9b4d0e78c43ea44077ed2387317b6d3524b6f686a5f94c6f075b6c3
[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" "5ccf2a51c9b4d0e78c43ea44077ed2387317b6d3524b6f686a5f94c6f075b6c3", 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]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fera-f4cbb7b5460f179f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_numbers-3b97bdeabae0c3e8
[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 2 tests
[INFO] [stdout] test readme_deps ... ok
[INFO] [stdout] test html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fera
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 18) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `fera::ext`
[INFO] [stdout]  --> src/lib.rs:21:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fera::ext::VecExt;
[INFO] [stdout]   |           ^^^ could not find `ext` in `fera`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `fera::fun`
[INFO] [stdout]  --> src/lib.rs:22:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use fera::fun::vec;
[INFO] [stdout]   |           ^^^ could not find `fun` in `fera`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `vec`
[INFO] [stdout]  --> src/lib.rs:25:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(vec![3, 2, 1], vec(1..4).reversed());
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "5ccf2a51c9b4d0e78c43ea44077ed2387317b6d3524b6f686a5f94c6f075b6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccf2a51c9b4d0e78c43ea44077ed2387317b6d3524b6f686a5f94c6f075b6c3", kill_on_drop: false }`
[INFO] [stdout] 5ccf2a51c9b4d0e78c43ea44077ed2387317b6d3524b6f686a5f94c6f075b6c3