[INFO] fetching crate faux 0.1.3...
[INFO] testing faux-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate faux 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate faux 0.1.3 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 faux 0.1.3
[INFO] finished tweaking crates.io crate faux 0.1.3
[INFO] tweaked toml for crates.io crate faux 0.1.3 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ef12bb13084f66ef4bd0bdb965efead2cea7551b956ad73e4f9357cd43f989cd
[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" "ef12bb13084f66ef4bd0bdb965efead2cea7551b956ad73e4f9357cd43f989cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef12bb13084f66ef4bd0bdb965efead2cea7551b956ad73e4f9357cd43f989cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef12bb13084f66ef4bd0bdb965efead2cea7551b956ad73e4f9357cd43f989cd", kill_on_drop: false }`
[INFO] [stdout] ef12bb13084f66ef4bd0bdb965efead2cea7551b956ad73e4f9357cd43f989cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7e0d53d51175f7fdb3ad648dddfb4853d90def008057590d6af85ebd7e724a0b
[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" "7e0d53d51175f7fdb3ad648dddfb4853d90def008057590d6af85ebd7e724a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling faux_macros v0.1.3
[INFO] [stderr]    Compiling faux v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "7e0d53d51175f7fdb3ad648dddfb4853d90def008057590d6af85ebd7e724a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0d53d51175f7fdb3ad648dddfb4853d90def008057590d6af85ebd7e724a0b", kill_on_drop: false }`
[INFO] [stdout] 7e0d53d51175f7fdb3ad648dddfb4853d90def008057590d6af85ebd7e724a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fd4e90e039f27b41571d5be290154ffb04e9c9ab541aa6495a91f90620fef057
[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" "fd4e90e039f27b41571d5be290154ffb04e9c9ab541aa6495a91f90620fef057", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling faux v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.35s
[INFO] running `Command { std: "docker" "inspect" "fd4e90e039f27b41571d5be290154ffb04e9c9ab541aa6495a91f90620fef057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4e90e039f27b41571d5be290154ffb04e9c9ab541aa6495a91f90620fef057", kill_on_drop: false }`
[INFO] [stdout] fd4e90e039f27b41571d5be290154ffb04e9c9ab541aa6495a91f90620fef057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d8c359333e40b1d28a00861c3cdf382ff777f53dc03c78015911b540dca28bc5
[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" "d8c359333e40b1d28a00861c3cdf382ff777f53dc03c78015911b540dca28bc5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/faux-72795234fd92ab73)
[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]      Running tests/arbitrary_self.rs (/opt/rustwide/target/debug/deps/arbitrary_self-308fb57a281b6732)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test by_box ... ok
[INFO] [stdout] test by_box_from_owned ... ok
[INFO] [stdout] test by_pin_from_owned ... ok
[INFO] [stdout] test by_rc_from_owned ... ok
[INFO] [stdout] test by_rc ... ok
[INFO] [stdout] test by_rc_from_owned_panics_if_cloned - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/asynchronous.rs (/opt/rustwide/target/debug/deps/asynchronous-65ad1a9a63e81970)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mocked ... ok
[INFO] [stdout] test real_instance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/clone.rs (/opt/rustwide/target/debug/deps/clone-dd5607c2bbd0bed3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test can_clone_real ... ok
[INFO] [stderr]      Running tests/generic_methods.rs (/opt/rustwide/target/debug/deps/generic_methods-29a406272a7ad330)
[INFO] [stdout] test cloning_mock_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generic ... ok
[INFO] [stderr]      Running tests/generic_struct.rs (/opt/rustwide/target/debug/deps/generic_struct-f6f153e0b067973c)
[INFO] [stdout] test generic_reference ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/multi_mock.rs (/opt/rustwide/target/debug/deps/multi_mock-4f8b6f1a80dd6932)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test real ... ok
[INFO] [stdout] test mocked ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test once ... ok
[INFO] [stdout] test limited ... ok
[INFO] [stdout] test always ... ok
[INFO] [stdout] test limited_past_limit - should panic ... ok
[INFO] [stdout] test once_past_limit - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/paths.rs (/opt/rustwide/target/debug/deps/paths-71385fd083596cb8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mocked ... ok
[INFO] [stdout] test real ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/return_self_method.rs (/opt/rustwide/target/debug/deps/return_self_method-40dc2bad64b36232)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test clone_real_instances ... ok
[INFO] [stdout] test clone_mock_instances ... ok
[INFO] [stdout] test create_from_mock_instances ... ok
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-fa98574da2720e66)
[INFO] [stdout] test create_from_real_instances ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test faux_ref_output ... ok
[INFO] [stdout] test faux_single_arg ... ok
[INFO] [stdout] test real_struct ... ok
[INFO] [stdout] test faux_multi_arg ... ok
[INFO] [stdout] test unmocked_faux_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-56672ec4675edcdd)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mutex_does_not_lock_entire_mock ... ok
[INFO] [stdout] test mock_multi_threaded_access ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/trait_impl.rs (/opt/rustwide/target/debug/deps/trait_impl-769fcf02def01c82)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generic_trait ... ok
[INFO] [stdout] test simple_trait ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/when_arguments.rs (/opt/rustwide/target/debug/deps/when_arguments-dd73f01c3beddfa1)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test custom_matcher ... ok
[INFO] [stdout] test from_fn ... ok
[INFO] [stdout] test no_args ... ok
[INFO] [stdout] test pattern ... ok
[INFO] [stdout] test mixed_args ... ok
[INFO] [stdout] test any ... ok
[INFO] [stdout] test eq_against ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test multiple_mocks ... ok
[INFO] [stderr]      Running tests/with_args.rs (/opt/rustwide/target/debug/deps/with_args-af2b863c83d7e3cf)
[INFO] [stdout] test unmatched_args - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test success_with_args ... ok
[INFO] [stdout] test fail_with_args - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8c359333e40b1d28a00861c3cdf382ff777f53dc03c78015911b540dca28bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c359333e40b1d28a00861c3cdf382ff777f53dc03c78015911b540dca28bc5", kill_on_drop: false }`
[INFO] [stdout] d8c359333e40b1d28a00861c3cdf382ff777f53dc03c78015911b540dca28bc5