[INFO] fetching crate pf-rs 0.2.6...
[INFO] testing pf-rs-0.2.6 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pf-rs 0.2.6 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate pf-rs 0.2.6
[INFO] finished tweaking crates.io crate pf-rs 0.2.6
[INFO] tweaked toml for crates.io crate pf-rs 0.2.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pf-rs 0.2.6 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pf-rs 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc8f2ee91edea545c9c1ff8cc382210830e5ed58f23b6ab4f8694d5854569729
[INFO] running `Command { std: "docker" "start" "-a" "cc8f2ee91edea545c9c1ff8cc382210830e5ed58f23b6ab4f8694d5854569729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc8f2ee91edea545c9c1ff8cc382210830e5ed58f23b6ab4f8694d5854569729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8f2ee91edea545c9c1ff8cc382210830e5ed58f23b6ab4f8694d5854569729", kill_on_drop: false }`
[INFO] [stdout] cc8f2ee91edea545c9c1ff8cc382210830e5ed58f23b6ab4f8694d5854569729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a585b214bdcfa8152482c2e60fe942e939918706094f725a46026d8d946f2bd
[INFO] running `Command { std: "docker" "start" "-a" "1a585b214bdcfa8152482c2e60fe942e939918706094f725a46026d8d946f2bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling pf-rs v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stdout] warning: unused imports: `OFlag` and `open`
[INFO] [stdout]   --> src/pf.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 | use nix::fcntl::{open, OFlag};
[INFO] [stdout]    |                  ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::stat::Mode`
[INFO] [stdout]   --> src/pf.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use nix::sys::stat::Mode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut tmp: u32 = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mask` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:763:17
[INFO] [stdout]     |
[INFO] [stdout] 763 |         let mut mask: libc::c_int = -1;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bits` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:895:17
[INFO] [stdout]     |
[INFO] [stdout] 895 |         let mut bits: libc::c_int = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "1a585b214bdcfa8152482c2e60fe942e939918706094f725a46026d8d946f2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a585b214bdcfa8152482c2e60fe942e939918706094f725a46026d8d946f2bd", kill_on_drop: false }`
[INFO] [stdout] 1a585b214bdcfa8152482c2e60fe942e939918706094f725a46026d8d946f2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51d838f9f34b6d01cdef566717ae33a08eeac93ab7fedfb09c487c29defce875
[INFO] running `Command { std: "docker" "start" "-a" "51d838f9f34b6d01cdef566717ae33a08eeac93ab7fedfb09c487c29defce875", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `OFlag` and `open`
[INFO] [stdout]   --> src/pf.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 | use nix::fcntl::{open, OFlag};
[INFO] [stdout]    |                  ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::stat::Mode`
[INFO] [stdout]   --> src/pf.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use nix::sys::stat::Mode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pf-rs v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut tmp: u32 = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mask` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:763:17
[INFO] [stdout]     |
[INFO] [stdout] 763 |         let mut mask: libc::c_int = -1;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bits` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:895:17
[INFO] [stdout]     |
[INFO] [stdout] 895 |         let mut bits: libc::c_int = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OFlag` and `open`
[INFO] [stdout]   --> src/pf.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 | use nix::fcntl::{open, OFlag};
[INFO] [stdout]    |                  ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::stat::Mode`
[INFO] [stdout]   --> src/pf.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use nix::sys::stat::Mode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |         let mut tmp: u32 = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mask` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:763:17
[INFO] [stdout]     |
[INFO] [stdout] 763 |         let mut mask: libc::c_int = -1;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bits` is never read
[INFO] [stdout]    --> src/pfr_addr.rs:895:17
[INFO] [stdout]     |
[INFO] [stdout] 895 |         let mut bits: libc::c_int = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "51d838f9f34b6d01cdef566717ae33a08eeac93ab7fedfb09c487c29defce875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d838f9f34b6d01cdef566717ae33a08eeac93ab7fedfb09c487c29defce875", kill_on_drop: false }`
[INFO] [stdout] 51d838f9f34b6d01cdef566717ae33a08eeac93ab7fedfb09c487c29defce875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f0eb0ffb1019aee277efd2808ca94cddefb2553277956994d7a049eadf25756
[INFO] running `Command { std: "docker" "start" "-a" "8f0eb0ffb1019aee277efd2808ca94cddefb2553277956994d7a049eadf25756", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `OFlag` and `open`
[INFO] [stderr]   --> src/pf.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 39 | use nix::fcntl::{open, OFlag};
[INFO] [stderr]    |                  ^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::stat::Mode`
[INFO] [stderr]   --> src/pf.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | use nix::sys::stat::Mode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `tmp` is never read
[INFO] [stderr]    --> src/pfr_addr.rs:340:17
[INFO] [stderr]     |
[INFO] [stderr] 340 |         let mut tmp: u32 = 0;
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mask` is never read
[INFO] [stderr]    --> src/pfr_addr.rs:763:17
[INFO] [stderr]     |
[INFO] [stderr] 763 |         let mut mask: libc::c_int = -1;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `bits` is never read
[INFO] [stderr]    --> src/pfr_addr.rs:895:17
[INFO] [stderr]     |
[INFO] [stderr] 895 |         let mut bits: libc::c_int = 0;
[INFO] [stderr]     |                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `pf-rs` (lib) generated 5 warnings (run `cargo fix --lib -p pf-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `pf-rs` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pf_rs-1b2cf4432e8d7a43)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr] fatal runtime error: IO Safety violation: owned file descriptor already closed, aborting
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/pf_rs-1b2cf4432e8d7a43` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "8f0eb0ffb1019aee277efd2808ca94cddefb2553277956994d7a049eadf25756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0eb0ffb1019aee277efd2808ca94cddefb2553277956994d7a049eadf25756", kill_on_drop: false }`
[INFO] [stdout] 8f0eb0ffb1019aee277efd2808ca94cddefb2553277956994d7a049eadf25756