[INFO] cloning repository https://github.com/hexjelly/battlecup-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hexjelly/battlecup-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexjelly%2Fbattlecup-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhexjelly%2Fbattlecup-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6be7baa75483a5ad588803d086a049731fb752f2
[INFO] testing hexjelly/battlecup-stats 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%2Fhexjelly%2Fbattlecup-stats" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hexjelly/battlecup-stats 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/hexjelly/battlecup-stats
[INFO] finished tweaking git repo https://github.com/hexjelly/battlecup-stats
[INFO] tweaked toml for git repo https://github.com/hexjelly/battlecup-stats written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hexjelly/battlecup-stats 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded unicode-segmentation v1.0.1
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded schannel v0.1.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.6
[INFO] [stderr]   Downloaded serde_urlencoded v0.3.0
[INFO] [stderr]   Downloaded serde_derive v0.8.22
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded security-framework v0.1.10
[INFO] [stderr]   Downloaded hyper v0.10.0
[INFO] [stderr]   Downloaded security-framework-sys v0.1.10
[INFO] [stderr]   Downloaded openssl v0.9.6
[INFO] [stderr]   Downloaded maud v0.14.0
[INFO] [stderr]   Downloaded maud_macros v0.14.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded native-tls v0.1.1
[INFO] [stderr]   Downloaded reqwest v0.3.0
[INFO] [stderr]   Downloaded syn v0.10.6
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded serde_codegen v0.8.22
[INFO] [stderr]   Downloaded serde v0.8.22
[INFO] [stderr]   Downloaded serde_json v0.8.4
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded lazy_static v0.2.2
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded clap v2.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 855b23cb30c73287252f2f4dad70db561491c3a04be03a05be36e2c88ed39652
[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" "855b23cb30c73287252f2f4dad70db561491c3a04be03a05be36e2c88ed39652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "855b23cb30c73287252f2f4dad70db561491c3a04be03a05be36e2c88ed39652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855b23cb30c73287252f2f4dad70db561491c3a04be03a05be36e2c88ed39652", kill_on_drop: false }`
[INFO] [stdout] 855b23cb30c73287252f2f4dad70db561491c3a04be03a05be36e2c88ed39652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c14436ce075f0b759274a39416f306defe32d30368af4dea1c110a38facda2a5
[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" "c14436ce075f0b759274a39416f306defe32d30368af4dea1c110a38facda2a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.6
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling serde v0.8.22
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling maud v0.14.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[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/maud-0.14.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(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 `maud` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c14436ce075f0b759274a39416f306defe32d30368af4dea1c110a38facda2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14436ce075f0b759274a39416f306defe32d30368af4dea1c110a38facda2a5", kill_on_drop: false }`
[INFO] [stdout] c14436ce075f0b759274a39416f306defe32d30368af4dea1c110a38facda2a5
