[INFO] fetching crate sigio 0.1.0...
[INFO] checking sigio-0.1.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate sigio 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sigio 0.1.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sigio 0.1.0
[INFO] finished tweaking crates.io crate sigio 0.1.0
[INFO] tweaked toml for crates.io crate sigio 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding matchers v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (available: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e331cfd145de7b099c964e7e41d0c8dc243e9db006b4a79693fb70484661497
[INFO] running `Command { std: "docker" "start" "-a" "6e331cfd145de7b099c964e7e41d0c8dc243e9db006b4a79693fb70484661497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e331cfd145de7b099c964e7e41d0c8dc243e9db006b4a79693fb70484661497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e331cfd145de7b099c964e7e41d0c8dc243e9db006b4a79693fb70484661497", kill_on_drop: false }`
[INFO] [stdout] 6e331cfd145de7b099c964e7e41d0c8dc243e9db006b4a79693fb70484661497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00bab25fca09f54f774777da3539def9fbe1c3c250167a7e92911e129ae9ec98
[INFO] running `Command { std: "docker" "start" "-a" "00bab25fca09f54f774777da3539def9fbe1c3c250167a7e92911e129ae9ec98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking sigio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `futures-io`
[INFO] [stdout]  --> src/compat/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "futures-io")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `tokio`
[INFO] [stdout]   = help: consider adding `futures-io` 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: unused import: `std::task::Waker`
[INFO] [stdout]  --> src/compat/tokio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/compat/tokio.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{ReadBuf, AsyncRead, AsyncWrite};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/convert.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::*`
[INFO] [stdout]    --> src/lib.rs:161:43
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     c_err(unsafe { libc::fcntl(fd, { use libc::*; $op }, $($args),*) })
[INFO] [stdout]     |                                                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |         fcntl!(F_SETSIG, signo)?;
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `fcntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_fd` is never used
[INFO] [stdout]    --> src/lib.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl File {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 151 |     /// may cause unexpected results if fd has unusual flags set
[INFO] [stdout] 152 |     fn from_fd<FD: IntoRawFd>(fd: FD) -> io::Result<File> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `futures-io`
[INFO] [stdout]  --> src/compat/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(feature = "futures-io")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `tokio`
[INFO] [stdout]   = help: consider adding `futures-io` 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: unused import: `std::task::Waker`
[INFO] [stdout]  --> src/compat/tokio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/compat/tokio.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::io::{ReadBuf, AsyncRead, AsyncWrite};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/convert.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::*`
[INFO] [stdout]    --> src/lib.rs:161:43
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     c_err(unsafe { libc::fcntl(fd, { use libc::*; $op }, $($args),*) })
[INFO] [stdout]     |                                                          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |         fcntl!(F_SETSIG, signo)?;
[INFO] [stdout]     |         ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `fcntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/compat/tokio.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         ctx: &mut Context<'_>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_start`
[INFO] [stdout]    --> src/lib.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 |             let read_start = Instant::now();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read_end`
[INFO] [stdout]    --> src/lib.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 |             let read_end = Instant::now();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nw`
[INFO] [stdout]    --> src/lib.rs:307:8
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let (nw, nr) = tokio::try_join!(
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_nw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "00bab25fca09f54f774777da3539def9fbe1c3c250167a7e92911e129ae9ec98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bab25fca09f54f774777da3539def9fbe1c3c250167a7e92911e129ae9ec98", kill_on_drop: false }`
[INFO] [stdout] 00bab25fca09f54f774777da3539def9fbe1c3c250167a7e92911e129ae9ec98