[INFO] fetching crate loom 0.3.4...
[INFO] testing loom-0.3.4 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate loom 0.3.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate loom 0.3.4 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loom 0.3.4
[INFO] finished tweaking crates.io crate loom 0.3.4
[INFO] tweaked toml for crates.io crate loom 0.3.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76eb7482f8a447bb10a88d9b5d06ca1b2f315c916442d92c516a5507b08b83cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76eb7482f8a447bb10a88d9b5d06ca1b2f315c916442d92c516a5507b08b83cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76eb7482f8a447bb10a88d9b5d06ca1b2f315c916442d92c516a5507b08b83cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76eb7482f8a447bb10a88d9b5d06ca1b2f315c916442d92c516a5507b08b83cd", kill_on_drop: false }`
[INFO] [stdout] 76eb7482f8a447bb10a88d9b5d06ca1b2f315c916442d92c516a5507b08b83cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c2174c81bdf2729549160dae62522d81b9373e9f3b1069d17adddf0a68e32c2
[INFO] running `Command { std: "docker" "start" "-a" "5c2174c81bdf2729549160dae62522d81b9373e9f3b1069d17adddf0a68e32c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generator v0.6.21
[INFO] [stderr]    Compiling loom v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "5c2174c81bdf2729549160dae62522d81b9373e9f3b1069d17adddf0a68e32c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2174c81bdf2729549160dae62522d81b9373e9f3b1069d17adddf0a68e32c2", kill_on_drop: false }`
[INFO] [stdout] 5c2174c81bdf2729549160dae62522d81b9373e9f3b1069d17adddf0a68e32c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c19f3961edb9538d52ad02ccab882d9ed92eefb322fd3db9cbe7099a1568bc6
[INFO] running `Command { std: "docker" "start" "-a" "5c19f3961edb9538d52ad02ccab882d9ed92eefb322fd3db9cbe7099a1568bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling loom v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "5c19f3961edb9538d52ad02ccab882d9ed92eefb322fd3db9cbe7099a1568bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c19f3961edb9538d52ad02ccab882d9ed92eefb322fd3db9cbe7099a1568bc6", kill_on_drop: false }`
[INFO] [stdout] 5c19f3961edb9538d52ad02ccab882d9ed92eefb322fd3db9cbe7099a1568bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38d9fe4dca5c2f1eec8c2c8ca244fff2ecfcd6561de8ef305a5bb6f8a3159743
[INFO] running `Command { std: "docker" "start" "-a" "38d9fe4dca5c2f1eec8c2c8ca244fff2ecfcd6561de8ef305a5bb6f8a3159743", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loom-a0fd1f94a174e33f
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arc-0510c502f0151965
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test detect_mem_leak ... ok
[INFO] [stdout] test sync_in_drop ... ok
[INFO] [stdout] test basic_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atomic-d68e5ac04f1e9032
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test compare_and_swap_reads_old_values ... ignored
[INFO] [stdout] test invalid_unsync_load_relaxed ... ok
[INFO] [stdout] test lazy_static_arc_shutdown ... ok
[INFO] [stdout] test lazy_static_arc_doesnt_leak ... ok
[INFO] [stdout] test lazy_static_arc_race ... ok
[INFO] [stdout] test legal_load_after_lazy_static ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atomic_int-2dc0a3c42fd87b16
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test atomic_u16::compare_exchange_weak ... ignored
[INFO] [stdout] test atomic_u32::compare_exchange_weak ... ignored
[INFO] [stdout] test atomic_u32::compare_exchange ... ok
[INFO] [stdout] test atomic_u8::compare_exchange ... ok
[INFO] [stdout] test atomic_u32::xor ... ok
[INFO] [stdout] test atomic_u16::xor ... ok
[INFO] [stdout] test atomic_u8::compare_exchange_weak ... ignored
[INFO] [stdout] test atomic_usize::compare_exchange_weak ... ignored
[INFO] [stdout] test atomic_usize::compare_exchange ... ok
[INFO] [stdout] test atomic_u16::compare_exchange ... ok
[INFO] [stdout] test atomic_usize::xor ... ok
[INFO] [stdout] test atomic_u8::xor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atomic_relaxed-0bcdef87f61ce6ca
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test check_ordering_invalid_1 ... ok
[INFO] [stdout] test check_ordering_valid ... ok
[INFO] [stdout] test compare_and_swap ... ok
[INFO] [stdout] test check_ordering_invalid_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/condvar-448c2420067947ab
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test notify_one ... ok
[INFO] [stdout] test notify_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fence-c6a6fa8fa1f67d5d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_acquire_fence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures-6a9b8b997723e7b3
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpsc-c1beb36d8bd7ccc0
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test basic_parallel_usage ... ok
[INFO] [stdout] test drop_receiver ... ok
[INFO] [stdout] test non_commutative_senders1 ... ok
[INFO] [stdout] test commutative_senders ... ok
[INFO] [stdout] test basic_sequential_usage ... ok
[INFO] [stdout] test non_commutative_senders2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mutex-29d2dc7d715b610d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rwlock-581c27770909ef91
[INFO] [stdout] test mutex_establishes_seq_cst ... ok
[INFO] [stdout] test mutex_enforces_mutal_exclusion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test rwlock_try_write ... ok
[INFO] [stdout] test rwlock_write ... ok
[INFO] [stdout] test rwlock_read_one ... ok
[INFO] [stdout] test rwlock_try_read ... ok
[INFO] [stdout] test rwlock_read_two_write_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rwlock_regression1-9ec490c63a043414
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smoke-6f20c6ff7a4622a7
[INFO] [stdout] test rwlock_two_writers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test checks_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thread_local-b325567b28a9c000
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test nested_with ... ok
[INFO] [stdout] test thread_local ... ok
[INFO] [stdout] test drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unsafe_cell-36032b8744d6f87e
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test atomic_causality_fail ... ok
[INFO] [stdout] test unsafe_cell_race_mut_immut_1 ... ok
[INFO] [stdout] test unsafe_cell_access_after_sync ... ok
[INFO] [stdout] test unsafe_cell_race_mut_immut_3 ... ok
[INFO] [stdout] test unsafe_cell_race_mut_mut_2 ... ok
[INFO] [stdout] test unsafe_cell_race_mut_immut_4 ... ok
[INFO] [stdout] test unsafe_cell_race_mut_immut_5 ... ok
[INFO] [stdout] test unsafe_cell_ok_2 ... ok
[INFO] [stdout] test unsafe_cell_ok_3 ... ok
[INFO] [stdout] test unsafe_cell_ok_1 ... ok
[INFO] [stdout] test atomic_causality_success ... ok
[INFO] [stdout] test unsafe_cell_race_mut_mut_1 ... ok
[INFO] [stdout] test unsafe_cell_race_mut_immut_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yield-8fec42fe479582bb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test yield_completes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests loom
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38d9fe4dca5c2f1eec8c2c8ca244fff2ecfcd6561de8ef305a5bb6f8a3159743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d9fe4dca5c2f1eec8c2c8ca244fff2ecfcd6561de8ef305a5bb6f8a3159743", kill_on_drop: false }`
[INFO] [stdout] 38d9fe4dca5c2f1eec8c2c8ca244fff2ecfcd6561de8ef305a5bb6f8a3159743