[INFO] fetching crate faux 0.1.2...
[INFO] testing faux-0.1.2 against beta-2021-05-23 for beta-1.52-2
[INFO] extracting crate faux 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate faux 0.1.2 on toolchain beta-2021-05-23
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate faux 0.1.2
[INFO] finished tweaking crates.io crate faux 0.1.2
[INFO] tweaked toml for crates.io crate faux 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-05-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded faux_macros v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fb4766393d0b5ec217d14779c583f6e3cf2395ec3d8694dc8ffc627f7b333e8
[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" "8fb4766393d0b5ec217d14779c583f6e3cf2395ec3d8694dc8ffc627f7b333e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb4766393d0b5ec217d14779c583f6e3cf2395ec3d8694dc8ffc627f7b333e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb4766393d0b5ec217d14779c583f6e3cf2395ec3d8694dc8ffc627f7b333e8", kill_on_drop: false }`
[INFO] [stdout] 8fb4766393d0b5ec217d14779c583f6e3cf2395ec3d8694dc8ffc627f7b333e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "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] b546b5687dc3ef47409b5f065e9df624b6ce5244f0dcd526c392411296dee315
[INFO] running `Command { std: "docker" "start" "-a" "b546b5687dc3ef47409b5f065e9df624b6ce5244f0dcd526c392411296dee315", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling paste v1.0.5
[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 v0.1.2
[INFO] [stderr]    Compiling faux v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.94s
[INFO] running `Command { std: "docker" "inspect" "b546b5687dc3ef47409b5f065e9df624b6ce5244f0dcd526c392411296dee315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b546b5687dc3ef47409b5f065e9df624b6ce5244f0dcd526c392411296dee315", kill_on_drop: false }`
[INFO] [stdout] b546b5687dc3ef47409b5f065e9df624b6ce5244f0dcd526c392411296dee315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "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] 41aa9e60e9acc4e78ce74f99f628772eba9b196c0b919f5c782b02e15da85704
[INFO] running `Command { std: "docker" "start" "-a" "41aa9e60e9acc4e78ce74f99f628772eba9b196c0b919f5c782b02e15da85704", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling faux v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.40s
[INFO] running `Command { std: "docker" "inspect" "41aa9e60e9acc4e78ce74f99f628772eba9b196c0b919f5c782b02e15da85704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41aa9e60e9acc4e78ce74f99f628772eba9b196c0b919f5c782b02e15da85704", kill_on_drop: false }`
[INFO] [stdout] 41aa9e60e9acc4e78ce74f99f628772eba9b196c0b919f5c782b02e15da85704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-05-23" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac19c0988cb8f59e2c0e2eb27429c5cfacaf740037ffbe9a719f58880b56a2fb
[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" "ac19c0988cb8f59e2c0e2eb27429c5cfacaf740037ffbe9a719f58880b56a2fb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/faux-7bf5d4e444d08437)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/arbitrary_self.rs (/opt/rustwide/target/debug/deps/arbitrary_self-6004d45bf9192e78)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test by_box ... ok
[INFO] [stdout] test by_rc_from_owned ... ok
[INFO] [stdout] test by_pin_from_owned ... ok
[INFO] [stdout] test by_rc ... ok
[INFO] [stdout] test by_box_from_owned ... ok
[INFO] [stdout] test by_rc_from_owned_panics_if_cloned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/asynchronous.rs (/opt/rustwide/target/debug/deps/asynchronous-e3180b1bdf8a2816)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/clone.rs (/opt/rustwide/target/debug/deps/clone-90786f089d867b9a)
[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-7e7f94b4b3aa610e)
[INFO] [stdout] test cloning_mock_panics ... 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 1 test
[INFO] [stderr]      Running tests/generic_struct.rs (/opt/rustwide/target/debug/deps/generic_struct-712c577d7f8933ec)
[INFO] [stdout] test generic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/multi_mock.rs (/opt/rustwide/target/debug/deps/multi_mock-fd646184d4866bf1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test limited ... ok
[INFO] [stdout] test always ... ok
[INFO] [stdout] test once ... ok
[INFO] [stderr]      Running tests/paths.rs (/opt/rustwide/target/debug/deps/paths-0c1fe17bb6db54b7)
[INFO] [stdout] test once_past_limit ... ok
[INFO] [stdout] test limited_past_limit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/return_self_method.rs (/opt/rustwide/target/debug/deps/return_self_method-f24d8653f2da4936)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test create_from_real_instances ... ok
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-cec63afb17b4e132)
[INFO] [stdout] test clone_real_instances ... ok
[INFO] [stdout] test clone_mock_instances ... ok
[INFO] [stdout] test create_from_mock_instances ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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 faux_multi_arg ... ok
[INFO] [stdout] test faux_ref_output ... ok
[INFO] [stdout] test faux_single_arg ... ok
[INFO] [stdout] test real_struct ... ok
[INFO] [stdout] test unmocked_faux_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-26c8c13367278c6e)
[INFO] [stdout] test mutex_does_not_lock_entire_mock ... ok
[INFO] [stderr]      Running tests/trait_impl.rs (/opt/rustwide/target/debug/deps/trait_impl-3a647b53757307a8)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/when_arguments.rs (/opt/rustwide/target/debug/deps/when_arguments-07e329c3afb39dbc)
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test custom_matcher ... ok
[INFO] [stdout] test pattern ... ok
[INFO] [stdout] test no_args ... ok
[INFO] [stdout] test eq_against ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test multiple_mocks ... ok
[INFO] [stdout] test mixed_args ... ok
[INFO] [stdout] test from_fn ... ok
[INFO] [stdout] test any ... ok
[INFO] [stderr]      Running tests/with_args.rs (/opt/rustwide/target/debug/deps/with_args-c33ac4f081d80bcd)
[INFO] [stdout] test unmatched_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 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 success_with_args ... ok
[INFO] [stdout] test fail_with_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac19c0988cb8f59e2c0e2eb27429c5cfacaf740037ffbe9a719f58880b56a2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac19c0988cb8f59e2c0e2eb27429c5cfacaf740037ffbe9a719f58880b56a2fb", kill_on_drop: false }`
[INFO] [stdout] ac19c0988cb8f59e2c0e2eb27429c5cfacaf740037ffbe9a719f58880b56a2fb