[INFO] cloning repository https://github.com/mucinoab/MuGit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mucinoab/MuGit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmucinoab%2FMuGit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmucinoab%2FMuGit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d344671831bf29be42915d8b0e2ad0fe7a601cb
[INFO] testing mucinoab/MuGit 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%2Fmucinoab%2FMuGit" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mucinoab/MuGit 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/mucinoab/MuGit
[INFO] finished tweaking git repo https://github.com/mucinoab/MuGit
[INFO] tweaked toml for git repo https://github.com/mucinoab/MuGit written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mucinoab/MuGit 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 owo-colors v1.3.0
[INFO] [stderr]   Downloaded ahash v0.6.2
[INFO] [stderr]   Downloaded textwrap v0.13.3
[INFO] [stderr]   Downloaded hashbrown v0.10.0
[INFO] [stderr]   Downloaded smawk v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6608394814c83d5aada2d63368e3b891fa77c8e6e675e21e6a3bb2e17e2b20f7
[INFO] running `Command { std: "docker" "start" "-a" "6608394814c83d5aada2d63368e3b891fa77c8e6e675e21e6a3bb2e17e2b20f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6608394814c83d5aada2d63368e3b891fa77c8e6e675e21e6a3bb2e17e2b20f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6608394814c83d5aada2d63368e3b891fa77c8e6e675e21e6a3bb2e17e2b20f7", kill_on_drop: false }`
[INFO] [stdout] 6608394814c83d5aada2d63368e3b891fa77c8e6e675e21e6a3bb2e17e2b20f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ec9aa68a1e4ed2c9f8d930008d11c6018db5dd72d48e15ccc2155de29c6243c5
[INFO] running `Command { std: "docker" "start" "-a" "ec9aa68a1e4ed2c9f8d930008d11c6018db5dd72d48e15ccc2155de29c6243c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling smawk v0.3.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling ahash v0.6.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling textwrap v0.13.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hashbrown v0.10.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.10.0/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     feature(
[INFO] [stdout] 16 | |         test,
[INFO] [stdout] 17 | |         core_intrinsics,
[INFO] [stdout] 18 | |         dropck_eyepatch,
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |         slice_ptr_get
[INFO] [stdout] 23 | |     )
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashbrown` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec9aa68a1e4ed2c9f8d930008d11c6018db5dd72d48e15ccc2155de29c6243c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9aa68a1e4ed2c9f8d930008d11c6018db5dd72d48e15ccc2155de29c6243c5", kill_on_drop: false }`
[INFO] [stdout] ec9aa68a1e4ed2c9f8d930008d11c6018db5dd72d48e15ccc2155de29c6243c5
