[INFO] cloning repository https://github.com/Twister915/rustcord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Twister915/rustcord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwister915%2Frustcord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwister915%2Frustcord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a33702e7aceb04bc87fab351b0791ed62988445
[INFO] documenting Twister915/rustcord against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwister915%2Frustcord" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Twister915/rustcord on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Twister915/rustcord
[INFO] finished tweaking git repo https://github.com/Twister915/rustcord
[INFO] tweaked toml for git repo https://github.com/Twister915/rustcord written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Twister915/rustcord already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc12bda9c7f19ca3d7469d1a949b7f2fc776a4feb3d2f68db5355a9fe47d9883
[INFO] running `Command { std: "docker" "start" "-a" "bc12bda9c7f19ca3d7469d1a949b7f2fc776a4feb3d2f68db5355a9fe47d9883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc12bda9c7f19ca3d7469d1a949b7f2fc776a4feb3d2f68db5355a9fe47d9883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc12bda9c7f19ca3d7469d1a949b7f2fc776a4feb3d2f68db5355a9fe47d9883", kill_on_drop: false }`
[INFO] [stdout] bc12bda9c7f19ca3d7469d1a949b7f2fc776a4feb3d2f68db5355a9fe47d9883
[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" "RUSTDOCFLAGS=--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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 981dc8004755fc51c21448ad434016aedecf0400aae1f52d37baf2724a4ce3eb
[INFO] running `Command { std: "docker" "start" "-a" "981dc8004755fc51c21448ad434016aedecf0400aae1f52d37baf2724a4ce3eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-bigint-dig v0.6.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking cipher v0.2.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aes-soft v0.6.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking rsa-der v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking mcproto-rs v0.2.0 (https://github.com/Twister915/mcproto-rs?branch=master#e94567e0)
[INFO] [stderr]     Checking rsa v0.2.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/mcproto-rs-51369d3f76159bf8/e94567e/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "bench", feature(test))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcproto-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mcproto_rs --edition=2018 /opt/rustwide/cargo-home/git/checkouts/mcproto-rs-51369d3f76159bf8/e94567e/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="bench"' --cfg 'feature="default"' --cfg 'feature="rand"' --cfg 'feature="std"' --cfg 'feature="v1_15_2"' --cfg 'feature="v1_16_3"' -C metadata=12b512fc138d4513 -C extra-filename=-12b512fc138d4513 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-c2dab23adc05e140.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3cd3b1b829a07ea4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-911050c55de7e561.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-be861ea1719d75d2.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "981dc8004755fc51c21448ad434016aedecf0400aae1f52d37baf2724a4ce3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981dc8004755fc51c21448ad434016aedecf0400aae1f52d37baf2724a4ce3eb", kill_on_drop: false }`
[INFO] [stdout] 981dc8004755fc51c21448ad434016aedecf0400aae1f52d37baf2724a4ce3eb
