[INFO] cloning repository https://github.com/mizyoukan/zakki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mizyoukan/zakki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizyoukan%2Fzakki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizyoukan%2Fzakki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01cb391725ec8e3f3c03bcf2a8d85375e2260c29
[INFO] testing mizyoukan/zakki against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizyoukan%2Fzakki" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mizyoukan/zakki on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mizyoukan/zakki
[INFO] finished tweaking git repo https://github.com/mizyoukan/zakki
[INFO] tweaked toml for git repo https://github.com/mizyoukan/zakki written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mizyoukan/zakki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 r2d2_postgres v0.14.0
[INFO] [stderr]   Downloaded sha2 v0.6.0
[INFO] [stderr]   Downloaded futf v0.1.3
[INFO] [stderr]   Downloaded string_cache v0.6.2
[INFO] [stderr]   Downloaded maud_macros v0.17.2
[INFO] [stderr]   Downloaded markup5ever v0.6.2
[INFO] [stderr]   Downloaded maud v0.17.2
[INFO] [stderr]   Downloaded hmac v0.4.2
[INFO] [stderr]   Downloaded postgres-protocol v0.3.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.0
[INFO] [stderr]   Downloaded html5ever v0.21.0
[INFO] [stderr]   Downloaded maplit v1.0.0
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded sha2 v0.7.0
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded utf-8 v0.7.1
[INFO] [stderr]   Downloaded block-buffer v0.2.0
[INFO] [stderr]   Downloaded generic-array v0.8.3
[INFO] [stderr]   Downloaded maud_htmlescape v0.17.0
[INFO] [stderr]   Downloaded r2d2 v0.8.1
[INFO] [stderr]   Downloaded literalext v0.1.1
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded md5 v0.3.6
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.0
[INFO] [stderr]   Downloaded ammonia v1.0.0
[INFO] [stderr]   Downloaded typenum v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a278456f6137b7539addd531018873dfc55f6d5dda2d3a430a0b1bf86d84ad3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a278456f6137b7539addd531018873dfc55f6d5dda2d3a430a0b1bf86d84ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a278456f6137b7539addd531018873dfc55f6d5dda2d3a430a0b1bf86d84ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a278456f6137b7539addd531018873dfc55f6d5dda2d3a430a0b1bf86d84ad3", kill_on_drop: false }`
[INFO] [stdout] 3a278456f6137b7539addd531018873dfc55f6d5dda2d3a430a0b1bf86d84ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e91ae3f75f57a5c8394ef2ccf79a63a29963ad035338f132db1c84412b547a3
[INFO] running `Command { std: "docker" "start" "-a" "9e91ae3f75f57a5c8394ef2ccf79a63a29963ad035338f132db1c84412b547a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling yansi v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_atomic_bool_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.24
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9e91ae3f75f57a5c8394ef2ccf79a63a29963ad035338f132db1c84412b547a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e91ae3f75f57a5c8394ef2ccf79a63a29963ad035338f132db1c84412b547a3", kill_on_drop: false }`
[INFO] [stdout] 9e91ae3f75f57a5c8394ef2ccf79a63a29963ad035338f132db1c84412b547a3