[INFO] fetching crate reference-counted 0.1.0...
[INFO] testing reference-counted-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate reference-counted 0.1.0 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reference-counted 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding smart-pointer v0.1.1 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d4183d629cb2d999dccfae34dca4e0dc8205a36ceedea33a17a2fcfbd401bb
[INFO] running `Command { std: "docker" "start" "-a" "c6d4183d629cb2d999dccfae34dca4e0dc8205a36ceedea33a17a2fcfbd401bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d4183d629cb2d999dccfae34dca4e0dc8205a36ceedea33a17a2fcfbd401bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d4183d629cb2d999dccfae34dca4e0dc8205a36ceedea33a17a2fcfbd401bb", kill_on_drop: false }`
[INFO] [stdout] c6d4183d629cb2d999dccfae34dca4e0dc8205a36ceedea33a17a2fcfbd401bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab3fcc0ea2fbb8a1d1c5fa193b557900b4360c2bcc10f9c81940f788b90dab6
[INFO] running `Command { std: "docker" "start" "-a" "5ab3fcc0ea2fbb8a1d1c5fa193b557900b4360c2bcc10f9c81940f788b90dab6", 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` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5ab3fcc0ea2fbb8a1d1c5fa193b557900b4360c2bcc10f9c81940f788b90dab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab3fcc0ea2fbb8a1d1c5fa193b557900b4360c2bcc10f9c81940f788b90dab6", kill_on_drop: false }`
[INFO] [stdout] 5ab3fcc0ea2fbb8a1d1c5fa193b557900b4360c2bcc10f9c81940f788b90dab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d6e5400e0d550fe26f6aad472ca2b62c022cce74f4433b222f3bc6490862c0d
[INFO] running `Command { std: "docker" "start" "-a" "3d6e5400e0d550fe26f6aad472ca2b62c022cce74f4433b222f3bc6490862c0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling reference-counted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3d6e5400e0d550fe26f6aad472ca2b62c022cce74f4433b222f3bc6490862c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6e5400e0d550fe26f6aad472ca2b62c022cce74f4433b222f3bc6490862c0d", kill_on_drop: false }`
[INFO] [stdout] 3d6e5400e0d550fe26f6aad472ca2b62c022cce74f4433b222f3bc6490862c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7e70fcc605291513a8120e86c006b25a709066da387c34444ad10bbb10083c4
[INFO] running `Command { std: "docker" "start" "-a" "f7e70fcc605291513a8120e86c006b25a709066da387c34444ad10bbb10083c4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reference_counted-11734c06f365dd09)
[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/arc.rs - arc::Arc<T>::default (line 379) ... ok
[INFO] [stdout] test src/rc.rs - rc::Rc<T>::drop (line 92) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/arc.rs - arc::Arc<T>::drop (line 131) ... 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] help: consider importing one of these structs instead
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use maybe_std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use reference_counted::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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] help: consider importing one of these structs instead
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use maybe_std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use reference_counted::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7e70fcc605291513a8120e86c006b25a709066da387c34444ad10bbb10083c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e70fcc605291513a8120e86c006b25a709066da387c34444ad10bbb10083c4", kill_on_drop: false }`
[INFO] [stdout] f7e70fcc605291513a8120e86c006b25a709066da387c34444ad10bbb10083c4