[INFO] fetching crate fast-stm 0.7.0...
[INFO] testing fast-stm-0.7.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate fast-stm 0.7.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fast-stm 0.7.0
[INFO] finished tweaking crates.io crate fast-stm 0.7.0
[INFO] tweaked toml for crates.io crate fast-stm 0.7.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-stm 0.7.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fast-stm 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5c8d78063f02b3d5fb24cca36a0eb575a1a6c7a31b897d32a009868c4b1b42c
[INFO] running `Command { std: "docker" "start" "-a" "d5c8d78063f02b3d5fb24cca36a0eb575a1a6c7a31b897d32a009868c4b1b42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c8d78063f02b3d5fb24cca36a0eb575a1a6c7a31b897d32a009868c4b1b42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c8d78063f02b3d5fb24cca36a0eb575a1a6c7a31b897d32a009868c4b1b42c", kill_on_drop: false }`
[INFO] [stdout] d5c8d78063f02b3d5fb24cca36a0eb575a1a6c7a31b897d32a009868c4b1b42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546546ab33cccc6763067d2f65504c1d8ba474115c752e2cdd1784bd3db8da57
[INFO] running `Command { std: "docker" "start" "-a" "546546ab33cccc6763067d2f65504c1d8ba474115c752e2cdd1784bd3db8da57", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling fast-stm v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stdout] warning: feature `doc_cfg` is declared but not used
[INFO] [stdout]    --> src/lib.rs:145:30
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![cfg_attr(nightly, feature(doc_cfg))]
[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 5.41s
[INFO] running `Command { std: "docker" "inspect" "546546ab33cccc6763067d2f65504c1d8ba474115c752e2cdd1784bd3db8da57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546546ab33cccc6763067d2f65504c1d8ba474115c752e2cdd1784bd3db8da57", kill_on_drop: false }`
[INFO] [stdout] 546546ab33cccc6763067d2f65504c1d8ba474115c752e2cdd1784bd3db8da57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57d85baedb24f760eaa10a7f421607d4c155c8c32680e7928e29dd5d09e7bf7b
[INFO] running `Command { std: "docker" "start" "-a" "57d85baedb24f760eaa10a7f421607d4c155c8c32680e7928e29dd5d09e7bf7b", kill_on_drop: false }`
[INFO] [stdout] warning: feature `doc_cfg` is declared but not used
[INFO] [stdout]    --> src/lib.rs:145:30
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![cfg_attr(nightly, feature(doc_cfg))]
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fast-stm v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `doc_cfg` is declared but not used
[INFO] [stdout]    --> src/lib.rs:145:30
[INFO] [stdout]     |
[INFO] [stdout] 145 | #![cfg_attr(nightly, feature(doc_cfg))]
[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 1.18s
[INFO] running `Command { std: "docker" "inspect" "57d85baedb24f760eaa10a7f421607d4c155c8c32680e7928e29dd5d09e7bf7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d85baedb24f760eaa10a7f421607d4c155c8c32680e7928e29dd5d09e7bf7b", kill_on_drop: false }`
[INFO] [stdout] 57d85baedb24f760eaa10a7f421607d4c155c8c32680e7928e29dd5d09e7bf7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 043fd0160cc90b46a25d7a8295b93b30b884dba113e8e2d554aca9fc4263312d
[INFO] running `Command { std: "docker" "start" "-a" "043fd0160cc90b46a25d7a8295b93b30b884dba113e8e2d554aca9fc4263312d", kill_on_drop: false }`
[INFO] [stderr] warning: feature `doc_cfg` is declared but not used
[INFO] [stderr]    --> src/lib.rs:145:30
[INFO] [stderr]     |
[INFO] [stderr] 145 | #![cfg_attr(nightly, feature(doc_cfg))]
[INFO] [stderr]     |                              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-stm` (lib) generated 1 warning
[INFO] [stderr] warning: `fast-stm` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fast_stm-6ebd84a5290710f4)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test_lib::guard_true ... ok
[INFO] [stdout] test test_lib::guard_false ... ok
[INFO] [stdout] test test_lib::optionally_fail ... ok
[INFO] [stdout] test test_lib::optionally_succeed ... ok
[INFO] [stdout] test test_lib::or_nested_first ... ok
[INFO] [stdout] test test_lib::or_nested_second ... ok
[INFO] [stdout] test test_lib::or_nocommit ... ok
[INFO] [stdout] test test_lib::stm_nested ... ok
[INFO] [stdout] test test_lib::or_simple ... ok
[INFO] [stdout] test test_lib::unwrap_none ... ok
[INFO] [stdout] test test_lib::unwrap_some ... ok
[INFO] [stdout] test transaction::log_var::test_write_obsolete_ignore ... ok
[INFO] [stdout] test transaction::test::read ... ok
[INFO] [stdout] test transaction::test::transaction_control_stuff ... ok
[INFO] [stdout] test transaction::test::transaction_copy ... ok
[INFO] [stdout] test transaction::control_block::test::wait_after_change ... ok
[INFO] [stdout] test transaction::test::transaction_read ... ok
[INFO] [stdout] test transaction::control_block::test::wait_after_multiple_changes ... ok
[INFO] [stdout] test transaction::test::transaction_simple ... ok
[INFO] [stdout] test transaction::test::transaction_with_control_abort_on_retry ... ok
[INFO] [stdout] test transaction::test::transaction_with_control_abort_on_single_run ... ok
[INFO] [stdout] test transaction::test::write_read ... ok
[INFO] [stdout] test tvar::test_read_atomic ... ok
[INFO] [stdout] test transaction::test::transaction_write ... ok
[INFO] [stdout] test transaction::control_block::test::wait_threaded_wakeup ... ok
[INFO] [stdout] test transaction::test::transaction_nested_fail - should panic ... ok
[INFO] [stdout] test transaction::control_block::test::blocked ... ok
[INFO] [stdout] test test_lib::threaded ... ok
[INFO] [stdout] test test_lib::infinite_retry ... ok
[INFO] [stdout] test test_lib::read_write_interfere ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_stm
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - try_or_coerce (line 177) ... ignored
[INFO] [stdout] test src/lib.rs - retry (line 254) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 91) ... ok
[INFO] [stdout] test src/lib.rs - unwrap_or_retry (line 287) ... ok
[INFO] [stdout] test src/lib.rs - optionally (line 350) ... ok
[INFO] [stdout] test src/lib.rs - abort (line 229) ... ok
[INFO] [stdout] test src/lib.rs - try_or_coerce (line 186) ... ok
[INFO] [stdout] test src/lib.rs - guard (line 319) ... ok
[INFO] [stdout] test src/tvar.rs - tvar::TVar<T>::exchange (line 300) ... FAILED
[INFO] [stdout] test src/tvar.rs - tvar::TVar<T>::modify (line 278) ... ok
[INFO] [stdout] test src/tvar.rs - tvar::TVar<T>::write_atomic (line 229) ... ok
[INFO] [stdout] test src/tvar.rs - tvar::TVar<T>::read_atomic (line 199) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tvar.rs - tvar::TVar<T>::exchange (line 300) stdout ----
[INFO] [stdout] error[E0599]: no method named `replace` found for struct `fast_stm::TVar<T>` in the current scope
[INFO] [stdout]    --> src/tvar.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |     var.replace(trans, 42)
[INFO] [stdout]     |         ^^^^^^^ method not found in `fast_stm::TVar<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/tvar.rs - tvar::TVar<T>::exchange (line 300)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "043fd0160cc90b46a25d7a8295b93b30b884dba113e8e2d554aca9fc4263312d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043fd0160cc90b46a25d7a8295b93b30b884dba113e8e2d554aca9fc4263312d", kill_on_drop: false }`
[INFO] [stdout] 043fd0160cc90b46a25d7a8295b93b30b884dba113e8e2d554aca9fc4263312d