[INFO] cloning repository https://github.com/xlambein/zezaye
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xlambein/zezaye" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxlambein%2Fzezaye", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxlambein%2Fzezaye'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8e53158af5efdd5cd0011dab73d47c3fec14467
[INFO] checking xlambein/zezaye against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxlambein%2Fzezaye" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xlambein/zezaye on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xlambein/zezaye
[INFO] finished tweaking git repo https://github.com/xlambein/zezaye
[INFO] tweaked toml for git repo https://github.com/xlambein/zezaye written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/xlambein/zezaye already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ebdcf222d0b6cf4831eb0b55b23f08f3c30cb616ab628e2cccaa0547f74b357
[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" "2ebdcf222d0b6cf4831eb0b55b23f08f3c30cb616ab628e2cccaa0547f74b357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ebdcf222d0b6cf4831eb0b55b23f08f3c30cb616ab628e2cccaa0547f74b357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebdcf222d0b6cf4831eb0b55b23f08f3c30cb616ab628e2cccaa0547f74b357", kill_on_drop: false }`
[INFO] [stdout] 2ebdcf222d0b6cf4831eb0b55b23f08f3c30cb616ab628e2cccaa0547f74b357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--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] 15232756fb8d0e770f361fb30660b523879cdc10f1a1a84372d4430091f85528
[INFO] running `Command { std: "docker" "start" "-a" "15232756fb8d0e770f361fb30660b523879cdc10f1a1a84372d4430091f85528", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking intbits v0.2.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking filedescriptor v0.8.0
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking gag v1.0.0
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking zezaye v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns, allocator_api, nonnull_slice_from_raw_parts)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns, allocator_api, nonnull_slice_from_raw_parts)]
[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 `zezaye` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "15232756fb8d0e770f361fb30660b523879cdc10f1a1a84372d4430091f85528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15232756fb8d0e770f361fb30660b523879cdc10f1a1a84372d4430091f85528", kill_on_drop: false }`
[INFO] [stdout] 15232756fb8d0e770f361fb30660b523879cdc10f1a1a84372d4430091f85528
