[INFO] fetching crate reference-counted 0.1.0...
[INFO] testing reference-counted-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate reference-counted 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate reference-counted 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae30fbcc5d46153a214cc7e189a5a362230af7f1f564c61c6d29d4b3268d00bf
[INFO] running `Command { std: "docker" "start" "-a" "ae30fbcc5d46153a214cc7e189a5a362230af7f1f564c61c6d29d4b3268d00bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae30fbcc5d46153a214cc7e189a5a362230af7f1f564c61c6d29d4b3268d00bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae30fbcc5d46153a214cc7e189a5a362230af7f1f564c61c6d29d4b3268d00bf", kill_on_drop: false }`
[INFO] [stdout] ae30fbcc5d46153a214cc7e189a5a362230af7f1f564c61c6d29d4b3268d00bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907dd3b4596e17cbf68f45939f350b2027fae2b83c046ecdcac2d26b1276e88b
[INFO] running `Command { std: "docker" "start" "-a" "907dd3b4596e17cbf68f45939f350b2027fae2b83c046ecdcac2d26b1276e88b", 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]     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 0.76s
[INFO] running `Command { std: "docker" "inspect" "907dd3b4596e17cbf68f45939f350b2027fae2b83c046ecdcac2d26b1276e88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907dd3b4596e17cbf68f45939f350b2027fae2b83c046ecdcac2d26b1276e88b", kill_on_drop: false }`
[INFO] [stdout] 907dd3b4596e17cbf68f45939f350b2027fae2b83c046ecdcac2d26b1276e88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc514f5202865a965a96ded3aad452b888bb10a1338a56fe14b6f36affc20e05
[INFO] running `Command { std: "docker" "start" "-a" "cc514f5202865a965a96ded3aad452b888bb10a1338a56fe14b6f36affc20e05", kill_on_drop: false }`
[INFO] [stderr]    Compiling reference-counted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "cc514f5202865a965a96ded3aad452b888bb10a1338a56fe14b6f36affc20e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc514f5202865a965a96ded3aad452b888bb10a1338a56fe14b6f36affc20e05", kill_on_drop: false }`
[INFO] [stdout] cc514f5202865a965a96ded3aad452b888bb10a1338a56fe14b6f36affc20e05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fa540e7435ee90421a328518334ca428aa3b5379781fc1b148097fe4ffc50d8
[INFO] running `Command { std: "docker" "start" "-a" "3fa540e7435ee90421a328518334ca428aa3b5379781fc1b148097fe4ffc50d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[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>::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>::default (line 379) ... ok
[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] 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 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "3fa540e7435ee90421a328518334ca428aa3b5379781fc1b148097fe4ffc50d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa540e7435ee90421a328518334ca428aa3b5379781fc1b148097fe4ffc50d8", kill_on_drop: false }`
[INFO] [stdout] 3fa540e7435ee90421a328518334ca428aa3b5379781fc1b148097fe4ffc50d8