[INFO] cloning repository https://github.com/sorairolake/kcipher2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sorairolake/kcipher2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsorairolake%2Fkcipher2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsorairolake%2Fkcipher2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46c7e7aedc5231020f167b4268feb20edcb4a243
[INFO] checking sorairolake/kcipher2 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsorairolake%2Fkcipher2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sorairolake/kcipher2
[INFO] finished tweaking git repo https://github.com/sorairolake/kcipher2
[INFO] tweaked toml for git repo https://github.com/sorairolake/kcipher2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sorairolake/kcipher2 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/sorairolake/kcipher2 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blobby v0.4.0
[INFO] [stderr]   Downloaded inout v0.2.2
[INFO] [stderr]   Downloaded hex-literal v1.1.0
[INFO] [stderr]   Downloaded cipher v0.5.1
[INFO] [stderr]   Downloaded block-buffer v0.12.0
[INFO] [stderr]   Downloaded crypto-common v0.2.1
[INFO] [stderr]   Downloaded hybrid-array v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc4059ac39ea35959043bcbe6dbe530dbe9157508b1d094dc80681dc17f0fc6b
[INFO] running `Command { std: "docker" "start" "-a" "dc4059ac39ea35959043bcbe6dbe530dbe9157508b1d094dc80681dc17f0fc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc4059ac39ea35959043bcbe6dbe530dbe9157508b1d094dc80681dc17f0fc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4059ac39ea35959043bcbe6dbe530dbe9157508b1d094dc80681dc17f0fc6b", kill_on_drop: false }`
[INFO] [stdout] dc4059ac39ea35959043bcbe6dbe530dbe9157508b1d094dc80681dc17f0fc6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d2f118f957f64c2069c7b3b493cad1e2b90d1f4cf5912547bd3ec7510f1a3dbb
[INFO] running `Command { std: "docker" "start" "-a" "d2f118f957f64c2069c7b3b493cad1e2b90d1f4cf5912547bd3ec7510f1a3dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking blobby v0.4.0
[INFO] [stderr]     Checking hex-literal v1.1.0
[INFO] [stderr]     Checking hybrid-array v0.4.10
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking crypto-common v0.2.1
[INFO] [stderr]     Checking inout v0.2.2
[INFO] [stderr]     Checking cipher v0.5.1
[INFO] [stderr]     Checking kcipher2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/kcipher2.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(test)]
[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 `kcipher2` (bench "kcipher2") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d2f118f957f64c2069c7b3b493cad1e2b90d1f4cf5912547bd3ec7510f1a3dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f118f957f64c2069c7b3b493cad1e2b90d1f4cf5912547bd3ec7510f1a3dbb", kill_on_drop: false }`
[INFO] [stdout] d2f118f957f64c2069c7b3b493cad1e2b90d1f4cf5912547bd3ec7510f1a3dbb
