[INFO] fetching crate zju-jw-scraper 0.2.1...
[INFO] checking zju-jw-scraper-0.2.1 against beta for pr-78714
[INFO] extracting crate zju-jw-scraper 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zju-jw-scraper 0.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/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" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 955e966ef05b5a439020b522ac38fa817df6552bf89dd508b59e31aef37a6407
[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" "955e966ef05b5a439020b522ac38fa817df6552bf89dd508b59e31aef37a6407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "955e966ef05b5a439020b522ac38fa817df6552bf89dd508b59e31aef37a6407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955e966ef05b5a439020b522ac38fa817df6552bf89dd508b59e31aef37a6407", kill_on_drop: false }`
[INFO] [stdout] 955e966ef05b5a439020b522ac38fa817df6552bf89dd508b59e31aef37a6407
[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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 9b277ac89e17593aecc901531161432253bbb2a4ed0d751a76ea43e00efce705
[INFO] running `Command { std: "docker" "start" "-a" "9b277ac89e17593aecc901531161432253bbb2a4ed0d751a76ea43e00efce705", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling ego-tree v0.6.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking tower-service v0.3.0-alpha.1
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
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[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]    Compiling servo_arc v0.1.1
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[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.0-alpha.7
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.4
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.4
[INFO] [stderr]     Checking tower-make v0.1.0-alpha.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking http-body v0.2.0-alpha.1
[INFO] [stderr]     Checking h2 v0.2.0-alpha.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.4
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling reformation_derive v0.4.1
[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 tracing-attributes v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.4
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9b277ac89e17593aecc901531161432253bbb2a4ed0d751a76ea43e00efce705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b277ac89e17593aecc901531161432253bbb2a4ed0d751a76ea43e00efce705", kill_on_drop: false }`
[INFO] [stdout] 9b277ac89e17593aecc901531161432253bbb2a4ed0d751a76ea43e00efce705