[INFO] fetching crate reference-counted 0.1.0...
[INFO] testing reference-counted-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate reference-counted 0.1.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate reference-counted 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f36035e02901cba8378c18a3d2102e7527f178967b843f30c2c7ee15de552541
[INFO] running `Command { std: "docker" "start" "-a" "f36035e02901cba8378c18a3d2102e7527f178967b843f30c2c7ee15de552541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36035e02901cba8378c18a3d2102e7527f178967b843f30c2c7ee15de552541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36035e02901cba8378c18a3d2102e7527f178967b843f30c2c7ee15de552541", kill_on_drop: false }`
[INFO] [stdout] f36035e02901cba8378c18a3d2102e7527f178967b843f30c2c7ee15de552541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f365e18261d68eed84166d456b30a9169140ab01f1d8110fee26735cb6a7793f
[INFO] running `Command { std: "docker" "start" "-a" "f365e18261d68eed84166d456b30a9169140ab01f1d8110fee26735cb6a7793f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.26s
[INFO] running `Command { std: "docker" "inspect" "f365e18261d68eed84166d456b30a9169140ab01f1d8110fee26735cb6a7793f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f365e18261d68eed84166d456b30a9169140ab01f1d8110fee26735cb6a7793f", kill_on_drop: false }`
[INFO] [stdout] f365e18261d68eed84166d456b30a9169140ab01f1d8110fee26735cb6a7793f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52ca2d86b5633b2643e881b2af20ab2642c5059cceba66ad89e9510102bbde01
[INFO] running `Command { std: "docker" "start" "-a" "52ca2d86b5633b2643e881b2af20ab2642c5059cceba66ad89e9510102bbde01", kill_on_drop: false }`
[INFO] [stderr]    Compiling reference-counted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "52ca2d86b5633b2643e881b2af20ab2642c5059cceba66ad89e9510102bbde01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ca2d86b5633b2643e881b2af20ab2642c5059cceba66ad89e9510102bbde01", kill_on_drop: false }`
[INFO] [stdout] 52ca2d86b5633b2643e881b2af20ab2642c5059cceba66ad89e9510102bbde01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c69208a48162e77cf8ca848c2c9862e5c4604b2a1942afe0cf9d89368cf31dae
[INFO] running `Command { std: "docker" "start" "-a" "c69208a48162e77cf8ca848c2c9862e5c4604b2a1942afe0cf9d89368cf31dae", 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/reference_counted-b7d9a882ef50f6e9)
[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>::drop (line 92) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::Rc<T>::default (line 305) ... 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>::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] ---- 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] 
[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 0.72s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c69208a48162e77cf8ca848c2c9862e5c4604b2a1942afe0cf9d89368cf31dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69208a48162e77cf8ca848c2c9862e5c4604b2a1942afe0cf9d89368cf31dae", kill_on_drop: false }`
[INFO] [stdout] c69208a48162e77cf8ca848c2c9862e5c4604b2a1942afe0cf9d89368cf31dae