[INFO] fetching crate fuzzcheck_nix_subset 0.1.1...
[INFO] testing fuzzcheck_nix_subset-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fuzzcheck_nix_subset 0.1.1 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate fuzzcheck_nix_subset 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuzzcheck_nix_subset 0.1.1
[INFO] finished tweaking crates.io crate fuzzcheck_nix_subset 0.1.1
[INFO] tweaked toml for crates.io crate fuzzcheck_nix_subset 0.1.1 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d655b3def6cb8be641f6884ce053b089297e876f5d22c973d072599aa66317
[INFO] running `Command { std: "docker" "start" "-a" "31d655b3def6cb8be641f6884ce053b089297e876f5d22c973d072599aa66317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d655b3def6cb8be641f6884ce053b089297e876f5d22c973d072599aa66317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d655b3def6cb8be641f6884ce053b089297e876f5d22c973d072599aa66317", kill_on_drop: false }`
[INFO] [stdout] 31d655b3def6cb8be641f6884ce053b089297e876f5d22c973d072599aa66317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 491e7e2e8291ffb2fcc58284fc32fde954e41a809ae204e0067735723c17fffb
[INFO] running `Command { std: "docker" "start" "-a" "491e7e2e8291ffb2fcc58284fc32fde954e41a809ae204e0067735723c17fffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling fuzzcheck_nix_subset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "491e7e2e8291ffb2fcc58284fc32fde954e41a809ae204e0067735723c17fffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491e7e2e8291ffb2fcc58284fc32fde954e41a809ae204e0067735723c17fffb", kill_on_drop: false }`
[INFO] [stdout] 491e7e2e8291ffb2fcc58284fc32fde954e41a809ae204e0067735723c17fffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f47b28211aa6d70a0b85103259e80fe91719bc7e7b60b8a9860ed13519e06bb6
[INFO] running `Command { std: "docker" "start" "-a" "f47b28211aa6d70a0b85103259e80fe91719bc7e7b60b8a9860ed13519e06bb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuzzcheck_nix_subset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "f47b28211aa6d70a0b85103259e80fe91719bc7e7b60b8a9860ed13519e06bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47b28211aa6d70a0b85103259e80fe91719bc7e7b60b8a9860ed13519e06bb6", kill_on_drop: false }`
[INFO] [stdout] f47b28211aa6d70a0b85103259e80fe91719bc7e7b60b8a9860ed13519e06bb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 681c0eec285312901028c69b5a87002ae888339f4bbd4e306cd99ad5e6fcd76a
[INFO] running `Command { std: "docker" "start" "-a" "681c0eec285312901028c69b5a87002ae888339f4bbd4e306cd99ad5e6fcd76a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fuzzcheck_nix_subset-b948ba2e18e9d45c)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test signal::tests::test_clear ... ok
[INFO] [stdout] test signal::tests::test_extend ... ok
[INFO] [stdout] test signal::tests::test_from_str_invalid_value ... ok
[INFO] [stdout] test signal::tests::test_contains ... ok
[INFO] [stdout] test signal::tests::test_from_str_round_trips ... ok
[INFO] [stdout] test signal::tests::test_sigaction ... ok
[INFO] [stdout] test signal::tests::test_thread_signal_block ... ok
[INFO] [stdout] test signal::tests::test_thread_signal_set_mask ... ok
[INFO] [stdout] test signal::tests::test_sigwait ... ok
[INFO] [stdout] test signal::tests::test_thread_signal_unblock ... ok
[INFO] [stdout] test signal::tests::test_thread_signal_swap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fuzzcheck_nix_subset
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/signal.rs - signal::signal (line 570) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Error::as_errno (line 41) ... FAILED
[INFO] [stdout] test src/signal.rs - signal::signal (line 563) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/signal.rs - signal::signal (line 570) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `lazy_static`
[INFO] [stdout]  --> src/signal.rs:571:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use] extern crate lazy_static;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Error::as_errno (line 41) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `nix`
[INFO] [stdout]  --> src/lib.rs:43:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::errno::Errno;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `nix`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nix`
[INFO] [stdout]  --> src/lib.rs:42:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::Error;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `nix`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Errno`
[INFO] [stdout]  --> src/lib.rs:44:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | let e = Error::from(Errno::EPERM);
[INFO] [stdout]   |                     ^^^^^ use of undeclared type `Errno`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Errno`
[INFO] [stdout]  --> src/lib.rs:45:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(Some(Errno::EPERM), e.as_errno());
[INFO] [stdout]   |                 ^^^^^ use of undeclared type `Errno`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/signal.rs - signal::signal (line 563) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `nix`
[INFO] [stdout]  --> src/signal.rs:564:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nix::sys::signal::{self, Signal, SigHandler};
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `nix`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `signal`
[INFO] [stdout]  --> src/signal.rs:565:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | unsafe { signal::signal(Signal::SIGINT, SigHandler::SigIgn) }.unwrap();
[INFO] [stdout]   |          ^^^^^^ use of undeclared crate or module `signal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Signal`
[INFO] [stdout]  --> src/signal.rs:565:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | unsafe { signal::signal(Signal::SIGINT, SigHandler::SigIgn) }.unwrap();
[INFO] [stdout]   |                         ^^^^^^ use of undeclared type `Signal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SigHandler`
[INFO] [stdout]  --> src/signal.rs:565:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | unsafe { signal::signal(Signal::SIGINT, SigHandler::SigIgn) }.unwrap();
[INFO] [stdout]   |                                         ^^^^^^^^^^ use of undeclared type `SigHandler`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Error::as_errno (line 41)
[INFO] [stdout]     src/signal.rs - signal::signal (line 563)
[INFO] [stdout]     src/signal.rs - signal::signal (line 570)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "681c0eec285312901028c69b5a87002ae888339f4bbd4e306cd99ad5e6fcd76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681c0eec285312901028c69b5a87002ae888339f4bbd4e306cd99ad5e6fcd76a", kill_on_drop: false }`
[INFO] [stdout] 681c0eec285312901028c69b5a87002ae888339f4bbd4e306cd99ad5e6fcd76a