[INFO] cloning repository https://github.com/TheLuckyCoder/ripc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheLuckyCoder/ripc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLuckyCoder%2Fripc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLuckyCoder%2Fripc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f6e1773351bc09aa44dfa13eb923bb36cd24125
[INFO] checking TheLuckyCoder/ripc against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLuckyCoder%2Fripc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheLuckyCoder/ripc on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheLuckyCoder/ripc
[INFO] finished tweaking git repo https://github.com/TheLuckyCoder/ripc
[INFO] tweaked toml for git repo https://github.com/TheLuckyCoder/ripc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheLuckyCoder/ripc 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded v4l v0.14.0
[INFO] [stderr]   Downloaded pyo3-macros v0.21.2
[INFO] [stderr]   Downloaded v4l2-sys-mit v0.3.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8105b9efa352ef57e434c46a44750d935dc811d5e428311f54403688fe5e65be
[INFO] running `Command { std: "docker" "start" "-a" "8105b9efa352ef57e434c46a44750d935dc811d5e428311f54403688fe5e65be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8105b9efa352ef57e434c46a44750d935dc811d5e428311f54403688fe5e65be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8105b9efa352ef57e434c46a44750d935dc811d5e428311f54403688fe5e65be", kill_on_drop: false }`
[INFO] [stdout] 8105b9efa352ef57e434c46a44750d935dc811d5e428311f54403688fe5e65be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 164b2994501a1ae7e9e4c92851250ffa9c16d8a146f0b5187e2a8cd25b03e0f0
[INFO] running `Command { std: "docker" "start" "-a" "164b2994501a1ae7e9e4c92851250ffa9c16d8a146f0b5187e2a8cd25b03e0f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling prettyplease v0.2.20
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]    Compiling v4l2-sys-mit v0.3.0
[INFO] [stderr]     Checking v4l v0.14.0
[INFO] [stderr]     Checking ripc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `FailedCreatingLock` is never constructed
[INFO] [stdout]   --> src/shared_memory.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ReadingResult {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     FailedCreatingLock(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_err_lt` is never used
[INFO] [stdout]  --> src/utils/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn check_err_lt<T: Ord + Default>(num: T) -> std::io::Result<T> {
[INFO] [stdout]   |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FailedCreatingLock` is never constructed
[INFO] [stdout]   --> src/shared_memory.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ReadingResult {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     FailedCreatingLock(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_err_lt` is never used
[INFO] [stdout]  --> src/utils/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn check_err_lt<T: Ord + Default>(num: T) -> std::io::Result<T> {
[INFO] [stdout]   |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.78s
[INFO] running `Command { std: "docker" "inspect" "164b2994501a1ae7e9e4c92851250ffa9c16d8a146f0b5187e2a8cd25b03e0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164b2994501a1ae7e9e4c92851250ffa9c16d8a146f0b5187e2a8cd25b03e0f0", kill_on_drop: false }`
[INFO] [stdout] 164b2994501a1ae7e9e4c92851250ffa9c16d8a146f0b5187e2a8cd25b03e0f0
[INFO] checking TheLuckyCoder/ripc against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLuckyCoder%2Fripc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheLuckyCoder/ripc on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheLuckyCoder/ripc
[INFO] finished tweaking git repo https://github.com/TheLuckyCoder/ripc
[INFO] tweaked toml for git repo https://github.com/TheLuckyCoder/ripc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TheLuckyCoder/ripc 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9680b8b6bd16f308a27b713b86f88e04c7b5a2211b7f4dde5c660c36c0b0f9ad
[INFO] running `Command { std: "docker" "start" "-a" "9680b8b6bd16f308a27b713b86f88e04c7b5a2211b7f4dde5c660c36c0b0f9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9680b8b6bd16f308a27b713b86f88e04c7b5a2211b7f4dde5c660c36c0b0f9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9680b8b6bd16f308a27b713b86f88e04c7b5a2211b7f4dde5c660c36c0b0f9ad", kill_on_drop: false }`
[INFO] [stdout] 9680b8b6bd16f308a27b713b86f88e04c7b5a2211b7f4dde5c660c36c0b0f9ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07051ddf99e3fc4f629336515c6cf2335e4afcce690219c2fbecf6e0b6cf2cfc
[INFO] running `Command { std: "docker" "start" "-a" "07051ddf99e3fc4f629336515c6cf2335e4afcce690219c2fbecf6e0b6cf2cfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling prettyplease v0.2.20
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]    Compiling v4l2-sys-mit v0.3.0
[INFO] [stderr]     Checking v4l v0.14.0
[INFO] [stderr]     Checking ripc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `FailedCreatingLock` is never constructed
[INFO] [stdout]   --> src/shared_memory.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ReadingResult {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     FailedCreatingLock(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_err_lt` is never used
[INFO] [stdout]  --> src/utils/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn check_err_lt<T: Ord + Default>(num: T) -> std::io::Result<T> {
[INFO] [stdout]   |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FailedCreatingLock` is never constructed
[INFO] [stdout]   --> src/shared_memory.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ReadingResult {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     FailedCreatingLock(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_err_lt` is never used
[INFO] [stdout]  --> src/utils/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn check_err_lt<T: Ord + Default>(num: T) -> std::io::Result<T> {
[INFO] [stdout]   |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "07051ddf99e3fc4f629336515c6cf2335e4afcce690219c2fbecf6e0b6cf2cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07051ddf99e3fc4f629336515c6cf2335e4afcce690219c2fbecf6e0b6cf2cfc", kill_on_drop: false }`
[INFO] [stdout] 07051ddf99e3fc4f629336515c6cf2335e4afcce690219c2fbecf6e0b6cf2cfc