[INFO] cloning repository https://github.com/lukaslihotzki/tcpdiag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukaslihotzki/tcpdiag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaslihotzki%2Ftcpdiag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaslihotzki%2Ftcpdiag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a85fb834b6054250915ee7aaca163cb2273cc554
[INFO] checking lukaslihotzki/tcpdiag against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaslihotzki%2Ftcpdiag" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukaslihotzki/tcpdiag
[INFO] finished tweaking git repo https://github.com/lukaslihotzki/tcpdiag
[INFO] tweaked toml for git repo https://github.com/lukaslihotzki/tcpdiag written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukaslihotzki/tcpdiag on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukaslihotzki/tcpdiag 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.6
[INFO] [stderr]   Downloaded netlink-sys v0.8.6
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.18
[INFO] [stderr]   Downloaded serde_derive v1.0.215
[INFO] [stderr]   Downloaded zerocopy v0.8.18
[INFO] [stderr]   Downloaded serde v1.0.215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd47ef9d21bf119e3d1e3b39032d1ac75b244bfb51b994335cef18dc4631366f
[INFO] running `Command { std: "docker" "start" "-a" "fd47ef9d21bf119e3d1e3b39032d1ac75b244bfb51b994335cef18dc4631366f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd47ef9d21bf119e3d1e3b39032d1ac75b244bfb51b994335cef18dc4631366f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd47ef9d21bf119e3d1e3b39032d1ac75b244bfb51b994335cef18dc4631366f", kill_on_drop: false }`
[INFO] [stdout] fd47ef9d21bf119e3d1e3b39032d1ac75b244bfb51b994335cef18dc4631366f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a98f2b1059976255a057271a46e3eb342385b3297eabf57bf8ed5fb93a8db5ee
[INFO] running `Command { std: "docker" "start" "-a" "a98f2b1059976255a057271a46e3eb342385b3297eabf57bf8ed5fb93a8db5ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking clap_lex v0.7.3
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling zerocopy v0.8.18
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking synconn v0.1.0 (/opt/rustwide/workdir/synconn)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> synconn/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(tcp_linger)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> synconn/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(tcp_linger)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synconn` (bin "synconn") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synconn` (bin "synconn" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a98f2b1059976255a057271a46e3eb342385b3297eabf57bf8ed5fb93a8db5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98f2b1059976255a057271a46e3eb342385b3297eabf57bf8ed5fb93a8db5ee", kill_on_drop: false }`
[INFO] [stdout] a98f2b1059976255a057271a46e3eb342385b3297eabf57bf8ed5fb93a8db5ee
