[INFO] fetching crate rc 0.1.1...
[INFO] testing rc-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rc 0.1.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate rc 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc 0.1.1
[INFO] finished tweaking crates.io crate rc 0.1.1
[INFO] tweaked toml for crates.io crate rc 0.1.1 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cab1a48594673703477716add31ff1b2d205ea17a1a88265b702ff9622324fa
[INFO] running `Command { std: "docker" "start" "-a" "3cab1a48594673703477716add31ff1b2d205ea17a1a88265b702ff9622324fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cab1a48594673703477716add31ff1b2d205ea17a1a88265b702ff9622324fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cab1a48594673703477716add31ff1b2d205ea17a1a88265b702ff9622324fa", kill_on_drop: false }`
[INFO] [stdout] 3cab1a48594673703477716add31ff1b2d205ea17a1a88265b702ff9622324fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97acd2141d8ae00451614ee14dae2df1f182700c6a09f6ca0d4103fd5c027ad9
[INFO] running `Command { std: "docker" "start" "-a" "97acd2141d8ae00451614ee14dae2df1f182700c6a09f6ca0d4103fd5c027ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "97acd2141d8ae00451614ee14dae2df1f182700c6a09f6ca0d4103fd5c027ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97acd2141d8ae00451614ee14dae2df1f182700c6a09f6ca0d4103fd5c027ad9", kill_on_drop: false }`
[INFO] [stdout] 97acd2141d8ae00451614ee14dae2df1f182700c6a09f6ca0d4103fd5c027ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac8efb2783c479ba2fa96d48bdffa7c53faea3211b9953970957a5e03501c954
[INFO] running `Command { std: "docker" "start" "-a" "ac8efb2783c479ba2fa96d48bdffa7c53faea3211b9953970957a5e03501c954", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "ac8efb2783c479ba2fa96d48bdffa7c53faea3211b9953970957a5e03501c954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8efb2783c479ba2fa96d48bdffa7c53faea3211b9953970957a5e03501c954", kill_on_drop: false }`
[INFO] [stdout] ac8efb2783c479ba2fa96d48bdffa7c53faea3211b9953970957a5e03501c954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89f615a885dd3ebbab5f534d8fec4743624845cd52145bad5ecdd1f7df1b4858
[INFO] running `Command { std: "docker" "start" "-a" "89f615a885dd3ebbab5f534d8fec4743624845cd52145bad5ecdd1f7df1b4858", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc-58dd0b6e14c881e5)
[INFO] [stdout] test stable_rc::tests::get_mut ... ok
[INFO] [stdout] test stable_rc::tests::is_unique ... ok
[INFO] [stdout] test stable_rc::tests::test_cowrc_clone_weak ... ok
[INFO] [stdout] test stable_rc::tests::test_cowrc_clone_make_unique ... ok
[INFO] [stdout] test stable_rc::tests::test_clone ... ok
[INFO] [stdout] test stable_rc::tests::test_dead ... ok
[INFO] [stdout] test stable_rc::tests::test_destructor ... ok
[INFO] [stdout] test stable_rc::tests::test_cowrc_clone_unique2 ... ok
[INFO] [stdout] test stable_rc::tests::test_live ... ok
[INFO] [stdout] test stable_rc::tests::test_show ... ok
[INFO] [stdout] test stable_rc::tests::test_simple ... ok
[INFO] [stdout] test stable_rc::tests::test_simple_clone ... ok
[INFO] [stdout] test stable_rc::tests::test_strong_count ... ok
[INFO] [stdout] test stable_rc::tests::test_weak_count ... ok
[INFO] [stdout] test stable_rc::tests::try_unwrap ... ok
[INFO] [stdout] test stable_rc::tests::weak_self_cyclic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rc
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::default (line 347) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::drop (line 280) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Weak<T>::upgrade (line 543) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Weak<T>::drop (line 569) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::is_unique (line 130) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::new (line 44) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::partial_cmp (line 401) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::try_unwrap (line 200) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::make_unique (line 240) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::gt (line 451) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::try_unwrap (line 73) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Weak<T>::clone (line 611) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::clone (line 328) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::is_unique (line 183) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::ge (line 467) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::le (line 435) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::ne (line 381) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::eq (line 365) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::cmp (line 485) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::get_mut (line 149) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::get_mut (line 219) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::lt (line 419) ... ok
[INFO] [stdout] test src/stable_rc.rs - stable_rc::Rc<T>::downgrade (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89f615a885dd3ebbab5f534d8fec4743624845cd52145bad5ecdd1f7df1b4858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f615a885dd3ebbab5f534d8fec4743624845cd52145bad5ecdd1f7df1b4858", kill_on_drop: false }`
[INFO] [stdout] 89f615a885dd3ebbab5f534d8fec4743624845cd52145bad5ecdd1f7df1b4858