[INFO] cloning repository https://github.com/raftario/ipp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raftario/ipp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraftario%2Fipp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraftario%2Fipp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9eef3ac12708c49f5cfa8cfdd011981cbb117ac
[INFO] checking raftario/ipp against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraftario%2Fipp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/raftario/ipp
[INFO] finished tweaking git repo https://github.com/raftario/ipp
[INFO] tweaked toml for git repo https://github.com/raftario/ipp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raftario/ipp 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/raftario/ipp 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]     Updating git repository `https://github.com/hyperium/hyper`
[INFO] [stderr]     Updating git repository `https://github.com/hyperium/http-body`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.3.24
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded mio v0.8.4
[INFO] [stderr]   Downloaded bytes v1.2.1
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 83aff427281b62688b04bd0583a149af80e68c9197ab830e7357e8bd667f1ac6
[INFO] running `Command { std: "docker" "start" "-a" "83aff427281b62688b04bd0583a149af80e68c9197ab830e7357e8bd667f1ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83aff427281b62688b04bd0583a149af80e68c9197ab830e7357e8bd667f1ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aff427281b62688b04bd0583a149af80e68c9197ab830e7357e8bd667f1ac6", kill_on_drop: false }`
[INFO] [stdout] 83aff427281b62688b04bd0583a149af80e68c9197ab830e7357e8bd667f1ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5d7cc426de7f59f3cd18dfa4bb27c8a7364e86e4279511107168cde66f9dac1c
[INFO] running `Command { std: "docker" "start" "-a" "5d7cc426de7f59f3cd18dfa4bb27c8a7364e86e4279511107168cde66f9dac1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking http-body v0.4.5 (https://github.com/hyperium/http-body?rev=6d7dd17#6d7dd177)
[INFO] [stderr]     Checking http-body-util v0.1.0 (https://github.com/hyperium/http-body?rev=6d7dd17#6d7dd177)
[INFO] [stderr]     Checking hyper v1.0.0-dev.0 (https://github.com/hyperium/hyper#fc4d3356)
[INFO] [stderr]     Checking ipp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipp` (bin "ipp") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ipp` (bin "ipp" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5d7cc426de7f59f3cd18dfa4bb27c8a7364e86e4279511107168cde66f9dac1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7cc426de7f59f3cd18dfa4bb27c8a7364e86e4279511107168cde66f9dac1c", kill_on_drop: false }`
[INFO] [stdout] 5d7cc426de7f59f3cd18dfa4bb27c8a7364e86e4279511107168cde66f9dac1c
