[INFO] fetching crate faux 0.1.2...
[INFO] testing faux-0.1.2 against 1.52.1 for beta-1.52-2
[INFO] extracting crate faux 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate faux 0.1.2 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be5eb65194371f70003602115111b8da7eddb42731c6c7aa0c9e61ce47f3b540
[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" "be5eb65194371f70003602115111b8da7eddb42731c6c7aa0c9e61ce47f3b540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be5eb65194371f70003602115111b8da7eddb42731c6c7aa0c9e61ce47f3b540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5eb65194371f70003602115111b8da7eddb42731c6c7aa0c9e61ce47f3b540", kill_on_drop: false }`
[INFO] [stdout] be5eb65194371f70003602115111b8da7eddb42731c6c7aa0c9e61ce47f3b540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4230c076416a02a27eb6a765ec871964d9c65850bafff90bf399268b11399ded
[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" "4230c076416a02a27eb6a765ec871964d9c65850bafff90bf399268b11399ded", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling ident_case v1.0.1
[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 32.64s
[INFO] running `Command { std: "docker" "inspect" "4230c076416a02a27eb6a765ec871964d9c65850bafff90bf399268b11399ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4230c076416a02a27eb6a765ec871964d9c65850bafff90bf399268b11399ded", kill_on_drop: false }`
[INFO] [stdout] 4230c076416a02a27eb6a765ec871964d9c65850bafff90bf399268b11399ded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b39e8259d95123288fadd39a5e1a6931b89890481efe3af472488373972edbe
[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" "4b39e8259d95123288fadd39a5e1a6931b89890481efe3af472488373972edbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[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 28.08s
[INFO] running `Command { std: "docker" "inspect" "4b39e8259d95123288fadd39a5e1a6931b89890481efe3af472488373972edbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b39e8259d95123288fadd39a5e1a6931b89890481efe3af472488373972edbe", kill_on_drop: false }`
[INFO] [stdout] 4b39e8259d95123288fadd39a5e1a6931b89890481efe3af472488373972edbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.52.1" "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] 45d339affc9df2cf45a8d32d2c22f2062e9fc0f6b226dc9c98d19f5c64aa20c5
[INFO] running `Command { std: "docker" "start" "-a" "45d339affc9df2cf45a8d32d2c22f2062e9fc0f6b226dc9c98d19f5c64aa20c5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/faux-2d3718cbba85d9d9)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/arbitrary_self.rs (/opt/rustwide/target/debug/deps/arbitrary_self-619ab6f472455ca1)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test by_rc_from_owned ... ok
[INFO] [stdout] test by_rc ... ok
[INFO] [stdout] test by_box ... ok
[INFO] [stdout] test by_pin_from_owned ... ok
[INFO] [stdout] test by_box_from_owned ... ok
[INFO] [stderr]      Running tests/asynchronous.rs (/opt/rustwide/target/debug/deps/asynchronous-61d814e326c1984c)
[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 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/clone.rs (/opt/rustwide/target/debug/deps/clone-0d09b3e4c2fbcd0b)
[INFO] [stdout] test real_instance ... 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] [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-e24271e122fce156)
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/generic_struct.rs (/opt/rustwide/target/debug/deps/generic_struct-9b59beeaf0996286)
[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 mocked ... ok
[INFO] [stderr]      Running tests/multi_mock.rs (/opt/rustwide/target/debug/deps/multi_mock-cfcbdf7b6f680f94)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test always ... ok
[INFO] [stdout] test once ... ok
[INFO] [stdout] test limited ... ok
[INFO] [stderr]      Running tests/paths.rs (/opt/rustwide/target/debug/deps/paths-691c9782971dd94d)
[INFO] [stdout] test once_past_limit ... ok
[INFO] [stderr]      Running tests/return_self_method.rs (/opt/rustwide/target/debug/deps/return_self_method-df8899e1fcafb6bc)
[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 0.06s
[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/simple.rs (/opt/rustwide/target/debug/deps/simple-61a086e6dda90acb)
[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_real_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 real_struct ... ok
[INFO] [stdout] test faux_single_arg ... ok
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-c2c1de459da6c0f5)
[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 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mutex_does_not_lock_entire_mock ... ok
[INFO] [stderr]      Running tests/trait_impl.rs (/opt/rustwide/target/debug/deps/trait_impl-d3fb47073df0bdeb)
[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 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_trait ... ok
[INFO] [stdout] test generic_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-2b50067976200a5b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test any ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test custom_matcher ... ok
[INFO] [stdout] test from_fn ... ok
[INFO] [stdout] test multiple_mocks ... ok
[INFO] [stdout] test no_args ... ok
[INFO] [stdout] test pattern ... ok
[INFO] [stdout] test eq_against ... ok
[INFO] [stdout] test mixed_args ... ok
[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] [stderr]      Running tests/with_args.rs (/opt/rustwide/target/debug/deps/with_args-221262f4d86c134d)
[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 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45d339affc9df2cf45a8d32d2c22f2062e9fc0f6b226dc9c98d19f5c64aa20c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d339affc9df2cf45a8d32d2c22f2062e9fc0f6b226dc9c98d19f5c64aa20c5", kill_on_drop: false }`
[INFO] [stdout] 45d339affc9df2cf45a8d32d2c22f2062e9fc0f6b226dc9c98d19f5c64aa20c5