[INFO] cloning repository https://github.com/Oliver-Piorun/koala_chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Oliver-Piorun/koala_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOliver-Piorun%2Fkoala_chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOliver-Piorun%2Fkoala_chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a46700b6a796c5a93edde4fde02c109ddf61f7d5
[INFO] testing Oliver-Piorun/koala_chess against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOliver-Piorun%2Fkoala_chess" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Oliver-Piorun/koala_chess on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Oliver-Piorun/koala_chess
[INFO] finished tweaking git repo https://github.com/Oliver-Piorun/koala_chess
[INFO] tweaked toml for git repo https://github.com/Oliver-Piorun/koala_chess written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Oliver-Piorun/koala_chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 856175431ae446c6770d4619f7798e70db10b395c500604d5a24902973b1f94c
[INFO] running `Command { std: "docker" "start" "-a" "856175431ae446c6770d4619f7798e70db10b395c500604d5a24902973b1f94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "856175431ae446c6770d4619f7798e70db10b395c500604d5a24902973b1f94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856175431ae446c6770d4619f7798e70db10b395c500604d5a24902973b1f94c", kill_on_drop: false }`
[INFO] [stdout] 856175431ae446c6770d4619f7798e70db10b395c500604d5a24902973b1f94c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66bc0defd6ef2b4da3dab017dace60f427fd2b365f3f7c4ff33c274470ff8f5b
[INFO] running `Command { std: "docker" "start" "-a" "66bc0defd6ef2b4da3dab017dace60f427fd2b365f3f7c4ff33c274470ff8f5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling glx v0.1.0 (/opt/rustwide/workdir/glx)
[INFO] [stderr]    Compiling gl v0.1.0 (/opt/rustwide/workdir/gl)
[INFO] [stderr]    Compiling logger v0.1.0 (/opt/rustwide/workdir/logger)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> logger/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(once_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logger` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "66bc0defd6ef2b4da3dab017dace60f427fd2b365f3f7c4ff33c274470ff8f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bc0defd6ef2b4da3dab017dace60f427fd2b365f3f7c4ff33c274470ff8f5b", kill_on_drop: false }`
[INFO] [stdout] 66bc0defd6ef2b4da3dab017dace60f427fd2b365f3f7c4ff33c274470ff8f5b
