[INFO] fetching crate faux 0.1.3...
[INFO] testing faux-0.1.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate faux 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate faux 0.1.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d9a2cf3f63fcbb89d7f65684c76db7ebfb8bb3c0b229de3d4baa7c31feb30ae
[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" "6d9a2cf3f63fcbb89d7f65684c76db7ebfb8bb3c0b229de3d4baa7c31feb30ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9a2cf3f63fcbb89d7f65684c76db7ebfb8bb3c0b229de3d4baa7c31feb30ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9a2cf3f63fcbb89d7f65684c76db7ebfb8bb3c0b229de3d4baa7c31feb30ae", kill_on_drop: false }`
[INFO] [stdout] 6d9a2cf3f63fcbb89d7f65684c76db7ebfb8bb3c0b229de3d4baa7c31feb30ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 0921dc8e9d5976838165129e8304abe8b6c448aee9ef98a3b7cc6312067e0a73
[INFO] running `Command { std: "docker" "start" "-a" "0921dc8e9d5976838165129e8304abe8b6c448aee9ef98a3b7cc6312067e0a73", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling syn v1.0.74
[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 19.49s
[INFO] running `Command { std: "docker" "inspect" "0921dc8e9d5976838165129e8304abe8b6c448aee9ef98a3b7cc6312067e0a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0921dc8e9d5976838165129e8304abe8b6c448aee9ef98a3b7cc6312067e0a73", kill_on_drop: false }`
[INFO] [stdout] 0921dc8e9d5976838165129e8304abe8b6c448aee9ef98a3b7cc6312067e0a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bef86eac5c8f0de801caf10c5cd0262d8e733b709f4a424c715d3e271573376
[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" "0bef86eac5c8f0de801caf10c5cd0262d8e733b709f4a424c715d3e271573376", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling faux v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.13s
[INFO] running `Command { std: "docker" "inspect" "0bef86eac5c8f0de801caf10c5cd0262d8e733b709f4a424c715d3e271573376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bef86eac5c8f0de801caf10c5cd0262d8e733b709f4a424c715d3e271573376", kill_on_drop: false }`
[INFO] [stdout] 0bef86eac5c8f0de801caf10c5cd0262d8e733b709f4a424c715d3e271573376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 3b96ed311cab12f0e479e9a4616e45b08a5523af52fb409de5e65d771160acba
[INFO] running `Command { std: "docker" "start" "-a" "3b96ed311cab12f0e479e9a4616e45b08a5523af52fb409de5e65d771160acba", 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-552657295fd87da7)
[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-0a32cd7359e21d7b)
[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] [stderr]      Running tests/asynchronous.rs (/opt/rustwide/target/debug/deps/asynchronous-22a269af88c7ba92)
[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 0.06s
[INFO] [stdout] 
[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-7dcb445b419929cb)
[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-a7bcafa9e7335b52)
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generic ... ok
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/generic_struct.rs (/opt/rustwide/target/debug/deps/generic_struct-4113f8104cfb1300)
[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-5ee696e5c97330ea)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test limited ... ok
[INFO] [stdout] test always ... ok
[INFO] [stdout] test once ... ok
[INFO] [stdout] test once_past_limit - should panic ... ok
[INFO] [stdout] test limited_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 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/paths.rs (/opt/rustwide/target/debug/deps/paths-680ed065e17a26b2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/return_self_method.rs (/opt/rustwide/target/debug/deps/return_self_method-8ceb11472b67cd93)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test clone_real_instances ... ok
[INFO] [stdout] test create_from_mock_instances ... ok
[INFO] [stdout] test create_from_real_instances ... ok
[INFO] [stdout] test clone_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] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-42c993d2b297f2c2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test real_struct ... ok
[INFO] [stdout] test faux_multi_arg ... ok
[INFO] [stdout] test faux_single_arg ... ok
[INFO] [stdout] test faux_ref_output ... 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 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-8151ea60c4fecf28)
[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 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/trait_impl.rs (/opt/rustwide/target/debug/deps/trait_impl-e869aed2dcb81b4e)
[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-cf0db051156b3337)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test custom_matcher ... ok
[INFO] [stdout] test mixed_args ... ok
[INFO] [stdout] test eq_against ... ok
[INFO] [stdout] test no_args ... ok
[INFO] [stdout] test any ... ok
[INFO] [stdout] test from_fn ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test pattern ... ok
[INFO] [stdout] test multiple_mocks ... ok
[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 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/with_args.rs (/opt/rustwide/target/debug/deps/with_args-7be496995bb08208)
[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 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b96ed311cab12f0e479e9a4616e45b08a5523af52fb409de5e65d771160acba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b96ed311cab12f0e479e9a4616e45b08a5523af52fb409de5e65d771160acba", kill_on_drop: false }`
[INFO] [stdout] 3b96ed311cab12f0e479e9a4616e45b08a5523af52fb409de5e65d771160acba