[INFO] cloning repository https://github.com/tjjfvi/inet-lifetimes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjjfvi/inet-lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjjfvi%2Finet-lifetimes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjjfvi%2Finet-lifetimes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe6d466b27fa92201987ddbcda2015598b4611cc
[INFO] checking tjjfvi/inet-lifetimes against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjjfvi%2Finet-lifetimes" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tjjfvi/inet-lifetimes
[INFO] finished tweaking git repo https://github.com/tjjfvi/inet-lifetimes
[INFO] tweaked toml for git repo https://github.com/tjjfvi/inet-lifetimes written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tjjfvi/inet-lifetimes 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/tjjfvi/inet-lifetimes 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]  Downloading crates ...
[INFO] [stderr]   Downloaded highlight_error v0.1.1
[INFO] [stderr]   Downloaded TSPL v0.0.11
[INFO] [stderr]   Downloaded console v0.15.8
[INFO] [stderr]   Downloaded similar v2.5.0
[INFO] [stderr]   Downloaded insta v1.39.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d3eebfa8a7b18fbf1ee033d43e207bb8836a31297aa86ea9568fd2287c59419
[INFO] running `Command { std: "docker" "start" "-a" "7d3eebfa8a7b18fbf1ee033d43e207bb8836a31297aa86ea9568fd2287c59419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d3eebfa8a7b18fbf1ee033d43e207bb8836a31297aa86ea9568fd2287c59419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3eebfa8a7b18fbf1ee033d43e207bb8836a31297aa86ea9568fd2287c59419", kill_on_drop: false }`
[INFO] [stdout] 7d3eebfa8a7b18fbf1ee033d43e207bb8836a31297aa86ea9568fd2287c59419
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 275d55a959710d476ae46ae0c9fd91c6329e201b4414b07eca7ab93609c41bb2
[INFO] running `Command { std: "docker" "start" "-a" "275d55a959710d476ae46ae0c9fd91c6329e201b4414b07eca7ab93609c41bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking highlight_error v0.1.1
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking TSPL v0.0.11
[INFO] [stderr]     Checking inet-lifetimes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(impl_trait_in_assoc_type, impl_trait_in_fn_trait_return, const_option)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_option` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(impl_trait_in_assoc_type, impl_trait_in_fn_trait_return, const_option)]
[INFO] [stdout]   |                                                                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inet-lifetimes` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "275d55a959710d476ae46ae0c9fd91c6329e201b4414b07eca7ab93609c41bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275d55a959710d476ae46ae0c9fd91c6329e201b4414b07eca7ab93609c41bb2", kill_on_drop: false }`
[INFO] [stdout] 275d55a959710d476ae46ae0c9fd91c6329e201b4414b07eca7ab93609c41bb2
