[INFO] cloning repository https://github.com/NikodemMarek/nilang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikodemMarek/nilang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikodemMarek%2Fnilang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikodemMarek%2Fnilang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6453b252ce57bd9a32f42990ee9fdf9d1266b2ce
[INFO] checking NikodemMarek/nilang against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikodemMarek%2Fnilang" "/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/NikodemMarek/nilang
[INFO] finished tweaking git repo https://github.com/NikodemMarek/nilang
[INFO] tweaked toml for git repo https://github.com/NikodemMarek/nilang written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NikodemMarek/nilang 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/NikodemMarek/nilang 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] 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] 1d75a0e9b4146cc7109f33d7f960d7ec8bedaefb63b95d4b88c2fbe3f917daed
[INFO] running `Command { std: "docker" "start" "-a" "1d75a0e9b4146cc7109f33d7f960d7ec8bedaefb63b95d4b88c2fbe3f917daed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d75a0e9b4146cc7109f33d7f960d7ec8bedaefb63b95d4b88c2fbe3f917daed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d75a0e9b4146cc7109f33d7f960d7ec8bedaefb63b95d4b88c2fbe3f917daed", kill_on_drop: false }`
[INFO] [stdout] 1d75a0e9b4146cc7109f33d7f960d7ec8bedaefb63b95d4b88c2fbe3f917daed
[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] 1bfb88ccf5e13c548a961cd2708f5ed7520cf001453d94e2ee64b2884bb03e84
[INFO] running `Command { std: "docker" "start" "-a" "1bfb88ccf5e13c548a961cd2708f5ed7520cf001453d94e2ee64b2884bb03e84", kill_on_drop: false }`
[INFO] [stderr]     Checking nilang-types v0.1.0 (/opt/rustwide/workdir/types)
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking errors v0.1.0 (/opt/rustwide/workdir/errors)
[INFO] [stderr]     Checking nilang-lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]     Checking nilang-transformer v0.1.0 (/opt/rustwide/workdir/transformer)
[INFO] [stderr]     Checking nilang-generator v0.1.0 (/opt/rustwide/workdir/generator)
[INFO] [stderr]     Checking nilang-parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking nilang-runner v0.1.0 (/opt/rustwide/workdir/runner)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> runner/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> runner/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[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 `nilang-runner` (bin "nilang-runner" test) 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 `nilang-runner` (bin "nilang-runner") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1bfb88ccf5e13c548a961cd2708f5ed7520cf001453d94e2ee64b2884bb03e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfb88ccf5e13c548a961cd2708f5ed7520cf001453d94e2ee64b2884bb03e84", kill_on_drop: false }`
[INFO] [stdout] 1bfb88ccf5e13c548a961cd2708f5ed7520cf001453d94e2ee64b2884bb03e84
