[INFO] fetching crate simple_libc 0.5.0...
[INFO] testing simple_libc-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simple_libc 0.5.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate simple_libc 0.5.0 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 simple_libc 0.5.0
[INFO] finished tweaking crates.io crate simple_libc 0.5.0
[INFO] tweaked toml for crates.io crate simple_libc 0.5.0 written to /workspace/builds/worker-82/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] a806aeb59a4c21c1959dd6310e4dbf3edfd60694174e2e284e831cec899029b1
[INFO] running `Command { std: "docker" "start" "-a" "a806aeb59a4c21c1959dd6310e4dbf3edfd60694174e2e284e831cec899029b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a806aeb59a4c21c1959dd6310e4dbf3edfd60694174e2e284e831cec899029b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a806aeb59a4c21c1959dd6310e4dbf3edfd60694174e2e284e831cec899029b1", kill_on_drop: false }`
[INFO] [stdout] a806aeb59a4c21c1959dd6310e4dbf3edfd60694174e2e284e831cec899029b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 97f67b9d3e197b4e64f723f3a772a340abb1ef0a74390674cb088fe1904b3051
[INFO] running `Command { std: "docker" "start" "-a" "97f67b9d3e197b4e64f723f3a772a340abb1ef0a74390674cb088fe1904b3051", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling simple_libc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/wait.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.73s
[INFO] running `Command { std: "docker" "inspect" "97f67b9d3e197b4e64f723f3a772a340abb1ef0a74390674cb088fe1904b3051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f67b9d3e197b4e64f723f3a772a340abb1ef0a74390674cb088fe1904b3051", kill_on_drop: false }`
[INFO] [stdout] 97f67b9d3e197b4e64f723f3a772a340abb1ef0a74390674cb088fe1904b3051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] ca9ad4cd10430473a3705570031c811738da1d6e8da2745c803ac34cd8ab15b2
[INFO] running `Command { std: "docker" "start" "-a" "ca9ad4cd10430473a3705570031c811738da1d6e8da2745c803ac34cd8ab15b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/wait.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_libc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/wait.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "ca9ad4cd10430473a3705570031c811738da1d6e8da2745c803ac34cd8ab15b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9ad4cd10430473a3705570031c811738da1d6e8da2745c803ac34cd8ab15b2", kill_on_drop: false }`
[INFO] [stdout] ca9ad4cd10430473a3705570031c811738da1d6e8da2745c803ac34cd8ab15b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] dd9adcc431dd80a1e94131a3a115c2de23a37e4faacd0492d9901077f94f72d8
[INFO] running `Command { std: "docker" "start" "-a" "dd9adcc431dd80a1e94131a3a115c2de23a37e4faacd0492d9901077f94f72d8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/wait.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         unsafe {
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_libc` (lib) generated 1 warning
[INFO] [stderr] warning: `simple_libc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_libc-8bd969dbbc0ede67)
[INFO] [stdout] 
[INFO] [stdout] running 81 tests
[INFO] [stdout] test error::tests::test_convert ... ok
[INFO] [stdout] test epoll::tests::test_epoll ... ok
[INFO] [stdout] test error::tests::test_convert_neg ... ok
[INFO] [stdout] test error::tests::test_convert_nzero ... ok
[INFO] [stdout] test error::tests::test_convert_if_errno ... ok
[INFO] [stdout] test error::tests::test_is_e ... ok
[INFO] [stdout] test error::tests::test_set_errno_success ... ok
[INFO] [stdout] test error::tests::test_while_erange ... ok
[INFO] [stdout] test fcntl::tests::test_dupfd ... ok
[INFO] [stdout] test fcntl::tests::test_inheritable ... ok
[INFO] [stdout] test grp::tests::test_list_from_reader ... ok
[INFO] [stdout] test grp::tests::test_lookup_current_gid ... ok
[INFO] [stdout] test grp::tests::test_parse_str_from_bytes ... ok
[INFO] [stdout] test internal::tests::test_minus_one_either ... ok
[INFO] [stdout] test internal::tests::test_minus_one_signed ... ok
[INFO] [stdout] test internal::tests::test_minus_one_unsigned ... ok
[INFO] [stdout] test net::abstract_unix::tests::test_abstract_unix_stream ... ok
[INFO] [stdout] test net::abstract_unix::tests::test_build_abstract_addr ... ok
[INFO] [stdout] test net::tests::test_get_peer_ids ... ok
[INFO] [stdout] test net::tests::test_get_peer_pid_ids ... ok
[INFO] [stdout] test net::ucred::tests::test_get_ucred ... ok
[INFO] [stdout] test poll::tests::test_poll ... ok
[INFO] [stdout] test poll::tests::test_ppoll ... ok
[INFO] [stdout] test pollers::epoll::tests::test_epoll_poller ... ok
[INFO] [stdout] test pollers::poll::tests::test_poll_poller ... ok
[INFO] [stdout] test pollers::select::tests::test_select_poller ... ok
[INFO] [stdout] test prctl::tests::test_ambient ... ok
[INFO] [stdout] test prctl::tests::test_bounding ... ok
[INFO] [stdout] test prctl::tests::test_cap_bits ... ok
[INFO] [stdout] test prctl::tests::test_cap_iter ... ok
[INFO] [stdout] test prctl::tests::test_cap_serde ... ok
[INFO] [stdout] test prctl::tests::test_capset_add_drop ... ok
[INFO] [stdout] test prctl::tests::test_capset_add_drop_multi ... ok
[INFO] [stdout] test pwd::tests::test_parse_str_from_bytes ... ok
[INFO] [stdout] test prctl::tests::test_capset_bitor ... ok
[INFO] [stdout] test prctl::tests::test_capset_bitxor ... ok
[INFO] [stdout] test prctl::tests::test_capset_empty ... ok
[INFO] [stdout] test prctl::tests::test_capset_full ... ok
[INFO] [stdout] test prctl::tests::test_capset_from_iter ... ok
[INFO] [stdout] test prctl::tests::test_capset_intersection ... ok
[INFO] [stdout] test resource::tests::test_get_set_rlimits ... ok
[INFO] [stdout] test prctl::tests::test_capset_not ... ok
[INFO] [stdout] test prctl::tests::test_capset_bitand ... ok
[INFO] [stdout] test prctl::tests::test_capset_sub ... ok
[INFO] [stdout] test prctl::tests::test_capset_serde_raw ... ok
[INFO] [stdout] test prctl::tests::test_capstate ... ok
[INFO] [stdout] test prctl::tests::test_keepcaps ... ok
[INFO] [stdout] test resource::tests::test_limit_serde ... ok
[INFO] [stdout] test priority::tests::test_get_equals_nice ... ok
[INFO] [stdout] test prctl::tests::test_nnp ... ok
[INFO] [stdout] test prctl::tests::test_secbits ... ok
[INFO] [stdout] test prctl::tests::test_capset_serde_seq ... ok
[INFO] [stdout] test process::tests::test_build_grouplist ... ok
[INFO] [stdout] test process::tests::test_chdir ... ok
[INFO] [stdout] test process::tests::test_getpids_tid ... ok
[INFO] [stdout] test process::tests::test_resuidgid ... ok
[INFO] [stdout] test pwd::tests::test_list_from_reader ... ok
[INFO] [stdout] test process::tests::test_getuidgid ... ok
[INFO] [stdout] test prctl::tests::test_capset_union ... ok
[INFO] [stdout] test process::tests::test_build_grouplist_inplace ... ok
[INFO] [stdout] test pwd::tests::test_lookup_current_uid ... ok
[INFO] [stdout] test resource::tests::test_nice_rlimit_thresh ... ok
[INFO] [stdout] test resource::tests::test_prlimit ... ok
[INFO] [stdout] test resource::tests::test_resource_serde ... ok
[INFO] [stdout] test select::tests::test_fdset ... ok
[INFO] [stdout] test select::tests::test_pselect ... ok
[INFO] [stdout] test select::tests::test_select ... ok
[INFO] [stdout] test select::tests::test_pselect_simple ... ok
[INFO] [stdout] test process::tests::test_getgroups ... ok
[INFO] [stdout] test select::tests::test_select_simple ... ok
[INFO] [stdout] test signal::tests::test_can_catch ... ok
[INFO] [stdout] test signal::tests::test_sigset ... ok
[INFO] [stdout] test tests::test_constrain ... ok
[INFO] [stdout] test signal::tests::test_sig_from_name ... ok
[INFO] [stdout] test tests::test_domainname ... ok
[INFO] [stdout] test tests::test_pipe ... ok
[INFO] [stdout] test tests::test_pipe2 ... ok
[INFO] [stdout] test tests::test_uname_hostname ... ok
[INFO] [stdout] test pwd::tests::test_list_iter ... ok
[INFO] [stdout] test grp::tests::test_list_iter ... ok
[INFO] [stdout] test tests::test_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 81 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.71s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_fork_wait.rs (/opt/rustwide/target/debug/deps/test_fork_wait-f78dada6bf707fa3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_fork ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_signals.rs (/opt/rustwide/target/debug/deps/test_signals-b269a7183d489410)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_signalfd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple_libc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/grp.rs - grp::Group::iter_single_thread_dangerous (line 97) ... ok
[INFO] [stdout] test src/pwd.rs - pwd::Passwd::iter_single_thread_dangerous (line 100) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd9adcc431dd80a1e94131a3a115c2de23a37e4faacd0492d9901077f94f72d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9adcc431dd80a1e94131a3a115c2de23a37e4faacd0492d9901077f94f72d8", kill_on_drop: false }`
[INFO] [stdout] dd9adcc431dd80a1e94131a3a115c2de23a37e4faacd0492d9901077f94f72d8