[INFO] fetching crate simple_libc 0.5.0...
[INFO] testing simple_libc-0.5.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate simple_libc 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate simple_libc 0.5.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d4765dfa7ea8a486f3474c3232be597197baaefd1cc96aaa7c404b4b91bfcd3
[INFO] running `Command { std: "docker" "start" "-a" "0d4765dfa7ea8a486f3474c3232be597197baaefd1cc96aaa7c404b4b91bfcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4765dfa7ea8a486f3474c3232be597197baaefd1cc96aaa7c404b4b91bfcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4765dfa7ea8a486f3474c3232be597197baaefd1cc96aaa7c404b4b91bfcd3", kill_on_drop: false }`
[INFO] [stdout] 0d4765dfa7ea8a486f3474c3232be597197baaefd1cc96aaa7c404b4b91bfcd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6769fb2ec283e4edcafac0d61a009dc067170bc1f0acb1ba09d968557ccbe526
[INFO] running `Command { std: "docker" "start" "-a" "6769fb2ec283e4edcafac0d61a009dc067170bc1f0acb1ba09d968557ccbe526", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling simple_libc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD, min_fd) }
[INFO] [stdout]    |              ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD_CLOEXEC, min_fd) }
[INFO] [stdout]    |              --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     unsafe { fcntl_raw!(fd, libc::F_GETFD) }
[INFO] [stdout]    |              ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     unsafe { fcntl_raw!(fd, libc::F_SETFD, flags)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     unsafe { fcntl_raw!(fd, libc::F_SETLK, lock)? };
[INFO] [stdout]    |              ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     unsafe { fcntl_raw!(fd, libc::F_SETLKW, lock)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     unsafe { fcntl_raw!(fd, libc::F_GETLK, lock)? };
[INFO] [stdout]    |              ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.29s
[INFO] running `Command { std: "docker" "inspect" "6769fb2ec283e4edcafac0d61a009dc067170bc1f0acb1ba09d968557ccbe526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6769fb2ec283e4edcafac0d61a009dc067170bc1f0acb1ba09d968557ccbe526", kill_on_drop: false }`
[INFO] [stdout] 6769fb2ec283e4edcafac0d61a009dc067170bc1f0acb1ba09d968557ccbe526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d81b6479902836e16b0e3f75ab1247339b805205deb97ce6b5311bb2c2cdd59e
[INFO] running `Command { std: "docker" "start" "-a" "d81b6479902836e16b0e3f75ab1247339b805205deb97ce6b5311bb2c2cdd59e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD, min_fd) }
[INFO] [stdout]    |              ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD_CLOEXEC, min_fd) }
[INFO] [stdout]    |              --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     unsafe { fcntl_raw!(fd, libc::F_GETFD) }
[INFO] [stdout]    |              ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     unsafe { fcntl_raw!(fd, libc::F_SETFD, flags)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     unsafe { fcntl_raw!(fd, libc::F_SETLK, lock)? };
[INFO] [stdout]    |              ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     unsafe { fcntl_raw!(fd, libc::F_SETLKW, lock)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     unsafe { fcntl_raw!(fd, libc::F_GETLK, lock)? };
[INFO] [stdout]    |              ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/wait.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_libc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD, min_fd) }
[INFO] [stdout]    |              ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD_CLOEXEC, min_fd) }
[INFO] [stdout]    |              --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     unsafe { fcntl_raw!(fd, libc::F_GETFD) }
[INFO] [stdout]    |              ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     unsafe { fcntl_raw!(fd, libc::F_SETFD, flags)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     unsafe { fcntl_raw!(fd, libc::F_SETLK, lock)? };
[INFO] [stdout]    |              ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     unsafe { fcntl_raw!(fd, libc::F_SETLKW, lock)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     unsafe { fcntl_raw!(fd, libc::F_GETLK, lock)? };
[INFO] [stdout]    |              ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "d81b6479902836e16b0e3f75ab1247339b805205deb97ce6b5311bb2c2cdd59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81b6479902836e16b0e3f75ab1247339b805205deb97ce6b5311bb2c2cdd59e", kill_on_drop: false }`
[INFO] [stdout] d81b6479902836e16b0e3f75ab1247339b805205deb97ce6b5311bb2c2cdd59e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e998c55809ffd5db6383d7c0e718c55017d4af490b8cb1b5182af481124cff0
[INFO] running `Command { std: "docker" "start" "-a" "7e998c55809ffd5db6383d7c0e718c55017d4af490b8cb1b5182af481124cff0", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/fcntl.rs:8:62
[INFO] [stderr]    |
[INFO] [stderr] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stderr]    |                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD, min_fd) }
[INFO] [stderr]    |              ------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stderr]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/fcntl.rs:8:62
[INFO] [stderr]    |
[INFO] [stderr] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stderr]    |                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD_CLOEXEC, min_fd) }
[INFO] [stderr]    |              --------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stderr]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/fcntl.rs:8:62
[INFO] [stderr]    |
[INFO] [stderr] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stderr]    |                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     unsafe { fcntl_raw!(fd, libc::F_GETFD) }
[INFO] [stderr]    |              ----------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stderr]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/fcntl.rs:8:62
[INFO] [stderr]    |
[INFO] [stderr] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stderr]    |                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     unsafe { fcntl_raw!(fd, libc::F_SETFD, flags)? };
[INFO] [stderr]    |              ------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/fcntl.rs:8:62
[INFO] [stderr]    |
[INFO] [stderr] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stderr]    |                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     unsafe { fcntl_raw!(fd, libc::F_SETLK, lock)? };
[INFO] [stderr]    |              ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/fcntl.rs:8:62
[INFO] [stderr]    |
[INFO] [stderr] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stderr]    |                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     unsafe { fcntl_raw!(fd, libc::F_SETLKW, lock)? };
[INFO] [stderr]    |              ------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/fcntl.rs:8:62
[INFO] [stderr]    |
[INFO] [stderr] 8  |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stderr]    |                                                              ^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     unsafe { fcntl_raw!(fd, libc::F_GETLK, lock)? };
[INFO] [stderr]    |              ----------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[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 8 warnings
[INFO] [stderr] warning: `simple_libc` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_libc-c0c9611a6cd84529)
[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 internal::tests::test_minus_one_either ... ok
[INFO] [stdout] test grp::tests::test_parse_str_from_bytes ... ok
[INFO] [stdout] test internal::tests::test_minus_one_signed ... ok
[INFO] [stdout] test internal::tests::test_minus_one_unsigned ... ok
[INFO] [stdout] test grp::tests::test_lookup_current_gid ... ok
[INFO] [stdout] test net::abstract_unix::tests::test_build_abstract_addr ... ok
[INFO] [stdout] test net::abstract_unix::tests::test_abstract_unix_stream ... ok
[INFO] [stdout] test net::tests::test_get_peer_pid_ids ... ok
[INFO] [stdout] test net::tests::test_get_peer_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 prctl::tests::test_ambient ... 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_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 prctl::tests::test_capset_bitand ... 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_from_iter ... ok
[INFO] [stdout] test prctl::tests::test_capset_full ... ok
[INFO] [stdout] test prctl::tests::test_capset_intersection ... ok
[INFO] [stdout] test prctl::tests::test_capset_not ... ok
[INFO] [stdout] test prctl::tests::test_capset_serde_raw ... ok
[INFO] [stdout] test prctl::tests::test_capset_serde_seq ... ok
[INFO] [stdout] test prctl::tests::test_capset_sub ... ok
[INFO] [stdout] test prctl::tests::test_capset_union ... ok
[INFO] [stdout] test prctl::tests::test_capstate ... ok
[INFO] [stdout] test prctl::tests::test_keepcaps ... ok
[INFO] [stdout] test prctl::tests::test_nnp ... ok
[INFO] [stdout] test prctl::tests::test_secbits ... ok
[INFO] [stdout] test priority::tests::test_get_equals_nice ... ok
[INFO] [stdout] test process::tests::test_build_grouplist ... ok
[INFO] [stdout] test process::tests::test_build_grouplist_inplace ... 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 process::tests::test_getuidgid ... ok
[INFO] [stdout] test pwd::tests::test_list_from_reader ... ok
[INFO] [stdout] test pwd::tests::test_lookup_current_uid ... ok
[INFO] [stdout] test pwd::tests::test_parse_str_from_bytes ... ok
[INFO] [stdout] test resource::tests::test_nice_rlimit_thresh ... ok
[INFO] [stdout] test resource::tests::test_get_set_rlimits ... ok
[INFO] [stdout] test resource::tests::test_limit_serde ... ok
[INFO] [stdout] test resource::tests::test_prlimit ... ok
[INFO] [stdout] test select::tests::test_fdset ... ok
[INFO] [stdout] test resource::tests::test_resource_serde ... ok
[INFO] [stdout] test select::tests::test_pselect ... ok
[INFO] [stdout] test select::tests::test_pselect_simple ... ok
[INFO] [stdout] test select::tests::test_select ... 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 tests::test_domainname ... ok
[INFO] [stdout] test grp::tests::test_list_iter ... ok
[INFO] [stdout] test process::tests::test_getgroups ... ok
[INFO] [stdout] test signal::tests::test_sig_from_name ... 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] [stderr]      Running tests/test_fork_wait.rs (/opt/rustwide/target/debug/deps/test_fork_wait-5d630a55e680f5d2)
[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 0.31s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/test_signals.rs (/opt/rustwide/target/debug/deps/test_signals-d9eb3be153da701a)
[INFO] [stdout] test test_fork ... ok
[INFO] [stderr]    Doc-tests simple_libc
[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 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] [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 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e998c55809ffd5db6383d7c0e718c55017d4af490b8cb1b5182af481124cff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e998c55809ffd5db6383d7c0e718c55017d4af490b8cb1b5182af481124cff0", kill_on_drop: false }`
[INFO] [stdout] 7e998c55809ffd5db6383d7c0e718c55017d4af490b8cb1b5182af481124cff0