[INFO] fetching crate zju-jw-scraper 0.2.1...
[INFO] testing zju-jw-scraper-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate zju-jw-scraper 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zju-jw-scraper 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking crates.io crate zju-jw-scraper 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zju-jw-scraper 0.2.1
[INFO] tweaked toml for crates.io crate zju-jw-scraper 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate zju-jw-scraper 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.2
[INFO] [stderr]   Downloaded string_cache v0.7.3
[INFO] [stderr]   Downloaded tokio-tls v0.3.0-alpha.4
[INFO] [stderr]   Downloaded ego-tree v0.6.0
[INFO] [stderr]   Downloaded hyper-tls v0.4.0-alpha.1
[INFO] [stderr]   Downloaded derive_more v0.13.0
[INFO] [stderr]   Downloaded http-body v0.2.0-alpha.1
[INFO] [stderr]   Downloaded interfacer-http-hyper v0.1.0
[INFO] [stderr]   Downloaded interfacer-http v0.2.2
[INFO] [stderr]   Downloaded reformation v0.4.1
[INFO] [stderr]   Downloaded interfacer-http-attribute v0.2.1
[INFO] [stderr]   Downloaded tower-make v0.1.0-alpha.2
[INFO] [stderr]   Downloaded reformation_derive v0.4.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.2
[INFO] [stderr]   Downloaded async-trait v0.1.11
[INFO] [stderr]   Downloaded unhtml v0.7.3
[INFO] [stderr]   Downloaded pin-project-internal v0.4.0-alpha.7
[INFO] [stderr]   Downloaded tower-service v0.3.0-alpha.1
[INFO] [stderr]   Downloaded tracing-core v0.1.5
[INFO] [stderr]   Downloaded unhtml_derive v0.7.3
[INFO] [stderr]   Downloaded pin-project v0.4.0-alpha.7
[INFO] [stderr]   Downloaded tracing v0.1.8
[INFO] [stderr]   Downloaded hyper v0.13.0-alpha.1
[INFO] [stderr]   Downloaded h2 v0.2.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0362e7dffb3094c091b373f633f749d5e25eea3fd82fa63ae35ce5dc0e4a432d
[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" "0362e7dffb3094c091b373f633f749d5e25eea3fd82fa63ae35ce5dc0e4a432d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0362e7dffb3094c091b373f633f749d5e25eea3fd82fa63ae35ce5dc0e4a432d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0362e7dffb3094c091b373f633f749d5e25eea3fd82fa63ae35ce5dc0e4a432d", kill_on_drop: false }`
[INFO] [stdout] 0362e7dffb3094c091b373f633f749d5e25eea3fd82fa63ae35ce5dc0e4a432d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52635720a56ea5b139a25de69c89e77e1b57ff98ab37935922d488322e44246c
[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" "52635720a56ea5b139a25de69c89e77e1b57ff98ab37935922d488322e44246c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling ego-tree v0.6.0
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling reformation_derive v0.4.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling interfacer-http-attribute v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.11
[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/interfacer-http-attribute-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[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 `interfacer-http-attribute` 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" "52635720a56ea5b139a25de69c89e77e1b57ff98ab37935922d488322e44246c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52635720a56ea5b139a25de69c89e77e1b57ff98ab37935922d488322e44246c", kill_on_drop: false }`
[INFO] [stdout] 52635720a56ea5b139a25de69c89e77e1b57ff98ab37935922d488322e44246c