[INFO] fetching crate arendur 0.0.5...
[INFO] checking arendur-0.0.5 against 1.55.0 for beta-1.56-3
[INFO] extracting crate arendur 0.0.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate arendur 0.0.5 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 crates.io crate arendur 0.0.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arendur 0.0.5
[INFO] tweaked toml for crates.io crate arendur 0.0.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded copy_arena v0.1.1
[INFO] [stderr]   Downloaded aren_alloc v0.2.1
[INFO] [stderr]   Downloaded flame v0.1.12
[INFO] [stderr]   Downloaded tobj v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 745915dae942b993a48f00b07fa2e4ba49f848217379c902a32cc605a205c90d
[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" "745915dae942b993a48f00b07fa2e4ba49f848217379c902a32cc605a205c90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745915dae942b993a48f00b07fa2e4ba49f848217379c902a32cc605a205c90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745915dae942b993a48f00b07fa2e4ba49f848217379c902a32cc605a205c90d", kill_on_drop: false }`
[INFO] [stdout] 745915dae942b993a48f00b07fa2e4ba49f848217379c902a32cc605a205c90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] ad34c1dd3c589bcd6dc57ae543488be70e2fa4c378e7c4f21f85db7e12ab89d6
[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" "ad34c1dd3c589bcd6dc57ae543488be70e2fa4c378e7c4f21f85db7e12ab89d6", kill_on_drop: false }`
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking tobj v0.1.12
[INFO] [stderr]     Checking copy_arena v0.1.1
[INFO] [stderr]     Checking aren_alloc v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[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/aren_alloc-0.2.1/src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(coerce_unsized)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/aren_alloc-0.2.1/src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(unsize)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr] error: could not compile `aren_alloc` 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" "ad34c1dd3c589bcd6dc57ae543488be70e2fa4c378e7c4f21f85db7e12ab89d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad34c1dd3c589bcd6dc57ae543488be70e2fa4c378e7c4f21f85db7e12ab89d6", kill_on_drop: false }`
[INFO] [stdout] ad34c1dd3c589bcd6dc57ae543488be70e2fa4c378e7c4f21f85db7e12ab89d6
