[INFO] fetching crate speedy_refs 0.2.7...
[INFO] testing speedy_refs-0.2.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate speedy_refs 0.2.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate speedy_refs 0.2.7
[INFO] finished tweaking crates.io crate speedy_refs 0.2.7
[INFO] tweaked toml for crates.io crate speedy_refs 0.2.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate speedy_refs 0.2.7 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a4b75a043e1b3e2e05f1f821e665c7b156a4aa24fffb40e3a2f3385f2c464c5
[INFO] running `Command { std: "docker" "start" "-a" "3a4b75a043e1b3e2e05f1f821e665c7b156a4aa24fffb40e3a2f3385f2c464c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a4b75a043e1b3e2e05f1f821e665c7b156a4aa24fffb40e3a2f3385f2c464c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4b75a043e1b3e2e05f1f821e665c7b156a4aa24fffb40e3a2f3385f2c464c5", kill_on_drop: false }`
[INFO] [stdout] 3a4b75a043e1b3e2e05f1f821e665c7b156a4aa24fffb40e3a2f3385f2c464c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7fd1f4a13f4ac0f417d8a1d6a5e890a481502a4cf2688bb6c3a28a5b3ec4eb
[INFO] running `Command { std: "docker" "start" "-a" "ca7fd1f4a13f4ac0f417d8a1d6a5e890a481502a4cf2688bb6c3a28a5b3ec4eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling speedy_refs v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `const_trait_impl` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_trait_impl)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "ca7fd1f4a13f4ac0f417d8a1d6a5e890a481502a4cf2688bb6c3a28a5b3ec4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7fd1f4a13f4ac0f417d8a1d6a5e890a481502a4cf2688bb6c3a28a5b3ec4eb", kill_on_drop: false }`
[INFO] [stdout] ca7fd1f4a13f4ac0f417d8a1d6a5e890a481502a4cf2688bb6c3a28a5b3ec4eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5765f6e05f33b95df0ccbd6fd198acb6730bb1a8cb49e72ceb2c3f1c18633618
[INFO] running `Command { std: "docker" "start" "-a" "5765f6e05f33b95df0ccbd6fd198acb6730bb1a8cb49e72ceb2c3f1c18633618", kill_on_drop: false }`
[INFO] [stdout] warning: feature `const_trait_impl` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_trait_impl)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling speedy_refs v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `const_trait_impl` is declared but not used
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_trait_impl)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5765f6e05f33b95df0ccbd6fd198acb6730bb1a8cb49e72ceb2c3f1c18633618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5765f6e05f33b95df0ccbd6fd198acb6730bb1a8cb49e72ceb2c3f1c18633618", kill_on_drop: false }`
[INFO] [stdout] 5765f6e05f33b95df0ccbd6fd198acb6730bb1a8cb49e72ceb2c3f1c18633618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c75bcddca499b7eb50f8280760e7161749d1e9c5c9422148ee3fdb4a2f00a83
[INFO] running `Command { std: "docker" "start" "-a" "8c75bcddca499b7eb50f8280760e7161749d1e9c5c9422148ee3fdb4a2f00a83", kill_on_drop: false }`
[INFO] [stderr] warning: feature `const_trait_impl` is declared but not used
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(const_trait_impl)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `speedy_refs` (lib) generated 1 warning
[INFO] [stderr] warning: `speedy_refs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/speedy_refs-eb020505d7e728ba)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test rc::test::test_1 ... ok
[INFO] [stdout] test rc::test::test_drop ... ok
[INFO] [stdout] test test::test ... ok
[INFO] [stdout] test cell::tests::test_1 ... ok
[INFO] [stdout] test cell::tests::test_2 ... ok
[INFO] [stdout] test cell::tests::test_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests speedy_refs
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/cell.rs - cell::RefCell<T>::borrow_mut (line 437) ... ok
[INFO] [stdout] test src/cell.rs - cell::RefCell<T>::try_borrow (line 409) ... ok
[INFO] [stdout] test src/cell.rs - cell::RefCell<T>::borrow (line 391) ... ok
[INFO] [stdout] test src/borrow.rs - borrow::Borrow (line 11) ... ok
[INFO] [stdout] test src/cell.rs - cell::HeapCell (line 14) ... ok
[INFO] [stdout] test src/cell.rs - cell::RefCell (line 341) ... ok
[INFO] [stdout] test src/cell.rs - cell::RcCell (line 525) ... ok
[INFO] [stdout] test src/cell.rs - cell::RefCell<T>::try_borrow_mut (line 457) ... ok
[INFO] [stdout] test src/cell.rs - cell::RefCell<T>::new (line 376) ... ok
[INFO] [stdout] test src/cell.rs - cell::SharedCell (line 579) ... ok
[INFO] [stdout] test src/cell.rs - cell::SharedCell<T>::get_ref (line 638) ... ok
[INFO] [stdout] test src/reon.rs - reon::Reon<T>::new (line 85) ... ok
[INFO] [stdout] test src/rc.rs - rc::Rc (line 24) ... ok
[INFO] [stdout] test src/cell.rs - cell::SharedCell<T>::get_mut (line 610) ... ok
[INFO] [stdout] test src/reon.rs - reon::Reon (line 22) ... ok
[INFO] [stdout] test src/reon.rs - reon::Reon (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c75bcddca499b7eb50f8280760e7161749d1e9c5c9422148ee3fdb4a2f00a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c75bcddca499b7eb50f8280760e7161749d1e9c5c9422148ee3fdb4a2f00a83", kill_on_drop: false }`
[INFO] [stdout] 8c75bcddca499b7eb50f8280760e7161749d1e9c5c9422148ee3fdb4a2f00a83