[INFO] fetching crate simple_libc 0.5.0...
[INFO] testing simple_libc-0.5.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate simple_libc 0.5.0 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_libc 0.5.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.1)
[INFO] [stderr]       Adding getrandom v0.1.16 (available: v0.4.2)
[INFO] [stderr]       Adding strum v0.18.0 (available: v0.28.0)
[INFO] [stderr]       Adding strum_macros v0.18.0 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.177
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a694c24c5d2069ef3166230cf031d9a699d4374a74c7d170aac7cf2fe536cc55
[INFO] running `Command { std: "docker" "start" "-a" "a694c24c5d2069ef3166230cf031d9a699d4374a74c7d170aac7cf2fe536cc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a694c24c5d2069ef3166230cf031d9a699d4374a74c7d170aac7cf2fe536cc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a694c24c5d2069ef3166230cf031d9a699d4374a74c7d170aac7cf2fe536cc55", kill_on_drop: false }`
[INFO] [stdout] a694c24c5d2069ef3166230cf031d9a699d4374a74c7d170aac7cf2fe536cc55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 782f2d16fddc8942828f509bfce2af767d3235aefcce9b284bea7f822fa5ef0b
[INFO] running `Command { std: "docker" "start" "-a" "782f2d16fddc8942828f509bfce2af767d3235aefcce9b284bea7f822fa5ef0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling simple_libc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD, min_fd) }
[INFO] [stdout]    |              ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout]  8 |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     unsafe { fcntl_raw!(fd, libc::F_DUPFD_CLOEXEC, min_fd) }
[INFO] [stdout]    |              --------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout]  8 |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     unsafe { fcntl_raw!(fd, libc::F_GETFD) }
[INFO] [stdout]    |              ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `fcntl_raw`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout]  8 |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     unsafe { fcntl_raw!(fd, libc::F_SETFD, flags)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout]  8 |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     unsafe { fcntl_raw!(fd, libc::F_SETLK, lock)? };
[INFO] [stdout]    |              ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout]  8 |         error::convert_ret(libc::fcntl($fd, $cmd$(, $args)*));
[INFO] [stdout]    |                                                              ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     unsafe { fcntl_raw!(fd, libc::F_SETLKW, lock)? };
[INFO] [stdout]    |              ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/fcntl.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout]  8 |         error::convert_ret(libc::fcntl($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 error originates in the macro `fcntl_raw` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `prctl`
[INFO] [stdout]   --> src/process.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[cfg(all(target_os = "linux", feature = "prctl"))]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `serde`, `serde_full`, `strum`, `strum_full`, and `strum_macros`
[INFO] [stdout]    = help: consider adding `prctl` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/sigaction.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq)]
[INFO] [stdout]    |                                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Handler(extern "C" fn(Int)),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/sigaction.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Copy, Clone, Debug, Eq, Hash, PartialEq)]
[INFO] [stdout]    |                                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 25 |     ActionHandler(extern "C" fn(Int, *mut libc::siginfo_t, *mut libc::c_void)),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_libc` (lib) due to 14 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "782f2d16fddc8942828f509bfce2af767d3235aefcce9b284bea7f822fa5ef0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782f2d16fddc8942828f509bfce2af767d3235aefcce9b284bea7f822fa5ef0b", kill_on_drop: false }`
[INFO] [stdout] 782f2d16fddc8942828f509bfce2af767d3235aefcce9b284bea7f822fa5ef0b
