[INFO] cloning repository https://github.com/pirogoeth/unix-named-pipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pirogoeth/unix-named-pipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78bd325c82d13451027bc0b5c686f972358b8e9a
[INFO] testing pirogoeth/unix-named-pipe against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pirogoeth/unix-named-pipe on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pirogoeth/unix-named-pipe
[INFO] finished tweaking git repo https://github.com/pirogoeth/unix-named-pipe
[INFO] tweaked toml for git repo https://github.com/pirogoeth/unix-named-pipe written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/pirogoeth/unix-named-pipe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.11
[INFO] [stderr]   Downloaded mini-internal v0.1.8
[INFO] [stderr]   Downloaded miniserde v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f5dae8f887eb6a61ccf945423f31f2be415fd7467a15385d2dd7afe208157a0
[INFO] running `Command { std: "docker" "start" "-a" "6f5dae8f887eb6a61ccf945423f31f2be415fd7467a15385d2dd7afe208157a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5dae8f887eb6a61ccf945423f31f2be415fd7467a15385d2dd7afe208157a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5dae8f887eb6a61ccf945423f31f2be415fd7467a15385d2dd7afe208157a0", kill_on_drop: false }`
[INFO] [stdout] 6f5dae8f887eb6a61ccf945423f31f2be415fd7467a15385d2dd7afe208157a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 401aef72e8ac2ba70ff95a053501dad422498efb4622196a0bd038475611a0ed
[INFO] running `Command { std: "docker" "start" "-a" "401aef72e8ac2ba70ff95a053501dad422498efb4622196a0bd038475611a0ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling unix-named-pipe v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "401aef72e8ac2ba70ff95a053501dad422498efb4622196a0bd038475611a0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401aef72e8ac2ba70ff95a053501dad422498efb4622196a0bd038475611a0ed", kill_on_drop: false }`
[INFO] [stdout] 401aef72e8ac2ba70ff95a053501dad422498efb4622196a0bd038475611a0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14cc30ab4bfecd9d87fed7f97a43edcb2e5d7a6597b7fb7df27ec65991b5ff0c
[INFO] running `Command { std: "docker" "start" "-a" "14cc30ab4bfecd9d87fed7f97a43edcb2e5d7a6597b7fb7df27ec65991b5ff0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr]    Compiling ctrlc v3.1.1
[INFO] [stderr]    Compiling mini-internal v0.1.8
[INFO] [stderr]    Compiling miniserde v0.1.8
[INFO] [stderr]    Compiling unix-named-pipe v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/fixsz_server.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stdout] 42 +                 _ => panic!("error while reading from pipe: {:?}", err),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `numbers`
[INFO] [stdout]   --> examples/varsz_server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     numbers: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/varsz_server.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stdout] 50 +                 _ => panic!("error while reading from pipe: {:?}", err),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.09s
[INFO] running `Command { std: "docker" "inspect" "14cc30ab4bfecd9d87fed7f97a43edcb2e5d7a6597b7fb7df27ec65991b5ff0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cc30ab4bfecd9d87fed7f97a43edcb2e5d7a6597b7fb7df27ec65991b5ff0c", kill_on_drop: false }`
[INFO] [stdout] 14cc30ab4bfecd9d87fed7f97a43edcb2e5d7a6597b7fb7df27ec65991b5ff0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5faf428763b7ccc4db42b88c06f7c7e8dd5629f2779f7835bd4e56e130564856
[INFO] running `Command { std: "docker" "start" "-a" "5faf428763b7ccc4db42b88c06f7c7e8dd5629f2779f7835bd4e56e130564856", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> examples/fixsz_server.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 42 -                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stderr] 42 +                 _ => panic!("error while reading from pipe: {:?}", err),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `numbers`
[INFO] [stderr]   --> examples/varsz_server.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     numbers: Vec<u8>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> examples/varsz_server.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 50 -                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stderr] 50 +                 _ => panic!("error while reading from pipe: {:?}", err),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `unix-named-pipe` (example "fixsz_server") generated 1 warning
[INFO] [stderr] warning: `unix-named-pipe` (example "varsz_server") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unix_named_pipe-b99686d7e1075c46)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::create_pipe_enoent ... ok
[INFO] [stdout] test ext::tests::is_fifo ... ok
[INFO] [stdout] test ext::tests::is_not_fifo ... ok
[INFO] [stdout] test tests::create_pipe_eexists ... ok
[INFO] [stdout] test tests::create_new_pipe ... ok
[INFO] [stdout] test tests::open_pipe_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unix-named-pipe
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - open_write (line 103) ... ok
[INFO] [stdout] test src/lib.rs - create (line 32) ... ok
[INFO] [stdout] test src/lib.rs - create (line 22) ... ok
[INFO] [stdout] test src/ext.rs - ext::fs::File::is_fifo (line 19) ... ok
[INFO] [stdout] test src/lib.rs - open_read (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5faf428763b7ccc4db42b88c06f7c7e8dd5629f2779f7835bd4e56e130564856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5faf428763b7ccc4db42b88c06f7c7e8dd5629f2779f7835bd4e56e130564856", kill_on_drop: false }`
[INFO] [stdout] 5faf428763b7ccc4db42b88c06f7c7e8dd5629f2779f7835bd4e56e130564856