[INFO] cloning repository https://github.com/wattrg/rnmf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wattrg/rnmf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0dd7146b42cfe1222e1f1cabf1dc7fcba29e805
[INFO] testing wattrg/rnmf against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwattrg%2Frnmf" "/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/wattrg/rnmf on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wattrg/rnmf
[INFO] finished tweaking git repo https://github.com/wattrg/rnmf
[INFO] tweaked toml for git repo https://github.com/wattrg/rnmf written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wattrg/rnmf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3890b21aa6807677adf3b8130b9bca0c978372739580c1b8e613a416a574cc4e
[INFO] running `Command { std: "docker" "start" "-a" "3890b21aa6807677adf3b8130b9bca0c978372739580c1b8e613a416a574cc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3890b21aa6807677adf3b8130b9bca0c978372739580c1b8e613a416a574cc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3890b21aa6807677adf3b8130b9bca0c978372739580c1b8e613a416a574cc4e", kill_on_drop: false }`
[INFO] [stdout] 3890b21aa6807677adf3b8130b9bca0c978372739580c1b8e613a416a574cc4e
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9213a549335ce541ba20af0844f1dc612fe772c6307e71240b74505aa63a42cc
[INFO] running `Command { std: "docker" "start" "-a" "9213a549335ce541ba20af0844f1dc612fe772c6307e71240b74505aa63a42cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling rlua v0.19.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lz4_flex v0.7.5
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling rlua-lua54-sys v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling vtkio v0.6.3
[INFO] [stderr]    Compiling rnmf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[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 `rnmf` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9213a549335ce541ba20af0844f1dc612fe772c6307e71240b74505aa63a42cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9213a549335ce541ba20af0844f1dc612fe772c6307e71240b74505aa63a42cc", kill_on_drop: false }`
[INFO] [stdout] 9213a549335ce541ba20af0844f1dc612fe772c6307e71240b74505aa63a42cc