[INFO] fetching crate reference-counted 0.1.0...
[INFO] testing reference-counted-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate reference-counted 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate reference-counted 0.1.0 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 reference-counted 0.1.0
[INFO] finished tweaking crates.io crate reference-counted 0.1.0
[INFO] tweaked toml for crates.io crate reference-counted 0.1.0 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 maybe-std v0.1.2
[INFO] [stderr]   Downloaded smart-pointer v0.1.1
[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] [stdout] 1b172357be601f2168b10c481aa73c2b38ee13e0cbc2e0c2a0122c0922da0bcd
[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" "1b172357be601f2168b10c481aa73c2b38ee13e0cbc2e0c2a0122c0922da0bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b172357be601f2168b10c481aa73c2b38ee13e0cbc2e0c2a0122c0922da0bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b172357be601f2168b10c481aa73c2b38ee13e0cbc2e0c2a0122c0922da0bcd", kill_on_drop: false }`
[INFO] [stdout] 1b172357be601f2168b10c481aa73c2b38ee13e0cbc2e0c2a0122c0922da0bcd
[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] 82e4c16ce141de8fc05ed4d0eb1f63d25df1099b4b9a7dbcf93a7d85dfb112c8
[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" "82e4c16ce141de8fc05ed4d0eb1f63d25df1099b4b9a7dbcf93a7d85dfb112c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-std v0.1.2
[INFO] [stderr]    Compiling smart-pointer v0.1.1
[INFO] [stderr]    Compiling reference-counted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "82e4c16ce141de8fc05ed4d0eb1f63d25df1099b4b9a7dbcf93a7d85dfb112c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e4c16ce141de8fc05ed4d0eb1f63d25df1099b4b9a7dbcf93a7d85dfb112c8", kill_on_drop: false }`
[INFO] [stdout] 82e4c16ce141de8fc05ed4d0eb1f63d25df1099b4b9a7dbcf93a7d85dfb112c8
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48e36663d94dbd4e2b4cd0078e53d4e4fdf4ae18c63dbfe8660bd7c330d0c257
[INFO] running `Command { std: "docker" "start" "-a" "48e36663d94dbd4e2b4cd0078e53d4e4fdf4ae18c63dbfe8660bd7c330d0c257", kill_on_drop: false }`
[INFO] [stderr]    Compiling reference-counted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "48e36663d94dbd4e2b4cd0078e53d4e4fdf4ae18c63dbfe8660bd7c330d0c257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e36663d94dbd4e2b4cd0078e53d4e4fdf4ae18c63dbfe8660bd7c330d0c257", kill_on_drop: false }`
[INFO] [stdout] 48e36663d94dbd4e2b4cd0078e53d4e4fdf4ae18c63dbfe8660bd7c330d0c257
[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] [stdout] 72916a45775df7e366a1ee1c673473cb1ba0e20ac4b9e484f05e156db886978e
[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" "72916a45775df7e366a1ee1c673473cb1ba0e20ac4b9e484f05e156db886978e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reference_counted-b80395bf33c9b114
[INFO] [stdout] 
[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] [stderr]    Doc-tests reference-counted
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/rc.rs - rc::Rc<T>::default (line 305) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::Rc<T>::drop (line 92) ... FAILED
[INFO] [stdout] test src/arc.rs - arc::Arc<T>::drop (line 131) ... ok
[INFO] [stdout] test src/arc.rs - arc::Arc<T>::default (line 379) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/rc.rs - rc::Rc<T>::default (line 305) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::sync::Rc`
[INFO] [stdout]  --> src/rc.rs:306:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Rc` in `sync`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::Rc<T>::drop (line 92) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::sync::Rc`
[INFO] [stdout]  --> src/rc.rs:93:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Rc` in `sync`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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/rc.rs - rc::Rc<T>::default (line 305)
[INFO] [stdout]     src/rc.rs - rc::Rc<T>::drop (line 92)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "72916a45775df7e366a1ee1c673473cb1ba0e20ac4b9e484f05e156db886978e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72916a45775df7e366a1ee1c673473cb1ba0e20ac4b9e484f05e156db886978e", kill_on_drop: false }`
[INFO] [stdout] 72916a45775df7e366a1ee1c673473cb1ba0e20ac4b9e484f05e156db886978e