[INFO] fetching crate ys-sniffer 0.2.4...
[INFO] checking ys-sniffer-0.2.4 against 1.95.0 for pr-155915
[INFO] extracting crate ys-sniffer 0.2.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ys-sniffer 0.2.4
[INFO] finished tweaking crates.io crate ys-sniffer 0.2.4
[INFO] tweaked toml for crates.io crate ys-sniffer 0.2.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ys-sniffer 0.2.4 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 crates.io crate ys-sniffer 0.2.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler2 v2.0.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.25
[INFO] [stderr]   Downloaded ys-kcp v1.2.1
[INFO] [stderr]   Downloaded xxhash-rust v0.8.15
[INFO] [stderr]   Downloaded log v0.4.27
[INFO] [stderr]   Downloaded bytes v1.10.1
[INFO] [stderr]   Downloaded windows-targets v0.53.0
[INFO] [stderr]   Downloaded crypto-common v0.1.6
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded signature v2.2.0
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded protoshark v2.0.0
[INFO] [stderr]   Downloaded pkcs8 v0.10.2
[INFO] [stderr]   Downloaded num-iter v0.1.45
[INFO] [stderr]   Downloaded cfg-if v1.0.1
[INFO] [stderr]   Downloaded pkg-config v0.3.32
[INFO] [stderr]   Downloaded wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded miniz_oxide v0.8.9
[INFO] [stderr]   Downloaded paste v1.0.15
[INFO] [stderr]   Downloaded digest v0.10.7
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.21
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.21
[INFO] [stderr]   Downloaded pem-rfc7468 v0.7.0
[INFO] [stderr]   Downloaded libloading v0.8.8
[INFO] [stderr]   Downloaded anyhow v1.0.98
[INFO] [stderr]   Downloaded pkcs1 v0.7.5
[INFO] [stderr]   Downloaded const-oid v0.9.6
[INFO] [stderr]   Downloaded pcap v2.2.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.15
[INFO] [stderr]   Downloaded cc v1.2.26
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.25
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.4
[INFO] [stderr]   Downloaded libm v0.2.15
[INFO] [stderr]   Downloaded der v0.7.10
[INFO] [stderr]   Downloaded rsa v0.9.8
[INFO] [stderr]   Downloaded serde v1.0.219
[INFO] [stderr]   Downloaded typenum v1.18.0
[INFO] [stderr]   Downloaded zerocopy v0.8.25
[INFO] [stderr]   Downloaded serde_derive v1.0.219
[INFO] [stderr]   Downloaded proc-macro2 v1.0.95
[INFO] [stderr]   Downloaded syn v2.0.102
[INFO] [stderr]   Downloaded unicode-ident v1.0.18
[INFO] [stderr]   Downloaded smallvec v1.15.1
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded getrandom v0.2.16
[INFO] [stderr]   Downloaded base64ct v1.8.0
[INFO] [stderr]   Downloaded backtrace v0.3.75
[INFO] [stderr]   Downloaded spki v0.7.3
[INFO] [stderr]   Downloaded quote v1.0.40
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.36.1
[INFO] [stderr]   Downloaded regex-automata v0.4.9
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.36.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.36.1
[INFO] [stderr]   Downloaded tokio v1.45.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.53.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.53.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.53.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.53.0
[INFO] [stderr]   Downloaded windows_i686_gnullvm v0.53.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.53.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.53.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.36.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.53.0
[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] [stderr]   Downloaded windows-sys v0.36.1
[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] 3ce43b2e2913917dd15de36a3d9a42b577afe153208280c3b6f3765d8fecf94b
[INFO] running `Command { std: "docker" "start" "-a" "3ce43b2e2913917dd15de36a3d9a42b577afe153208280c3b6f3765d8fecf94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ce43b2e2913917dd15de36a3d9a42b577afe153208280c3b6f3765d8fecf94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce43b2e2913917dd15de36a3d9a42b577afe153208280c3b6f3765d8fecf94b", kill_on_drop: false }`
[INFO] [stdout] 3ce43b2e2913917dd15de36a3d9a42b577afe153208280c3b6f3765d8fecf94b
[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] ee2bd11440d5cd68cdc6c89643429d422b3f4d36248d71d1a9d6d2ff1c64189e
[INFO] running `Command { std: "docker" "start" "-a" "ee2bd11440d5cd68cdc6c89643429d422b3f4d36248d71d1a9d6d2ff1c64189e", kill_on_drop: false }`
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]    Compiling pcap v2.2.0
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking ys-kcp v1.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ys-kcp-1.2.1/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(stmt_expr_attributes)]
[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 `ys-kcp` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ee2bd11440d5cd68cdc6c89643429d422b3f4d36248d71d1a9d6d2ff1c64189e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2bd11440d5cd68cdc6c89643429d422b3f4d36248d71d1a9d6d2ff1c64189e", kill_on_drop: false }`
[INFO] [stdout] ee2bd11440d5cd68cdc6c89643429d422b3f4d36248d71d1a9d6d2ff1c64189e