[INFO] cloning repository https://github.com/SchrodingerZhu/girasol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SchrodingerZhu/girasol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Fgirasol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Fgirasol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e12b459b6f2269a0d85a939221d28ac0d2f5355c
[INFO] checking SchrodingerZhu/girasol against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Fgirasol" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SchrodingerZhu/girasol on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SchrodingerZhu/girasol
[INFO] finished tweaking git repo https://github.com/SchrodingerZhu/girasol
[INFO] tweaked toml for git repo https://github.com/SchrodingerZhu/girasol written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/SchrodingerZhu/girasol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typename_derive v0.1.4
[INFO] [stderr]   Downloaded zstd-safe v2.0.4+zstd.1.4.5
[INFO] [stderr]   Downloaded async-trait v0.1.33
[INFO] [stderr]   Downloaded ahash v0.3.5
[INFO] [stderr]   Downloaded fail v0.3.0
[INFO] [stderr]   Downloaded zstd v0.5.2+zstd.1.4.5
[INFO] [stderr]   Downloaded zstd-sys v1.4.16+zstd.1.4.5
[INFO] [stderr]   Downloaded typename v0.1.2
[INFO] [stderr]   Downloaded sled v0.31.0
[INFO] [stderr]   Downloaded xactor v0.6.6
[INFO] [stderr]   Downloaded snmalloc-rs v0.2.14
[INFO] [stderr]   Downloaded xactor-derive v0.6.6
[INFO] [stderr]   Downloaded rio v0.9.3
[INFO] [stderr]   Downloaded value-trait v0.1.10
[INFO] [stderr]   Downloaded simd-json v0.3.9
[INFO] [stderr]   Downloaded snmalloc-sys v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 594adb34c20c1773f8f626d71a897642e1c2c50c84d3c8d4b7e68b12c10ed9b6
[INFO] running `Command { std: "docker" "start" "-a" "594adb34c20c1773f8f626d71a897642e1c2c50c84d3c8d4b7e68b12c10ed9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594adb34c20c1773f8f626d71a897642e1c2c50c84d3c8d4b7e68b12c10ed9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594adb34c20c1773f8f626d71a897642e1c2c50c84d3c8d4b7e68b12c10ed9b6", kill_on_drop: false }`
[INFO] [stdout] 594adb34c20c1773f8f626d71a897642e1c2c50c84d3c8d4b7e68b12c10ed9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b01a6783419f57bd65b563ae27c224d63c5dad5166be78c3477da4e509f5c239
[INFO] running `Command { std: "docker" "start" "-a" "b01a6783419f57bd65b563ae27c224d63c5dad5166be78c3477da4e509f5c239", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking untrusted v0.7.1
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[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking base64 v0.11.0
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[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
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[INFO] [stderr]     Checking pin-project-lite v0.1.6
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[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.1.0 (https://github.com/SchrodingerZhu/ws_stream_tungstenite#fa64ef57)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.7.2
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[INFO] [stderr]     Checking rio v0.9.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ahash v0.3.5
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking fail v0.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.7.2/src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     feature(
[INFO] [stdout] 16 | |         alloc_layout_extra,
[INFO] [stdout] 17 | |         allocator_api,
[INFO] [stdout] 18 | |         ptr_offset_from,
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |         specialization,
[INFO] [stdout] 23 | |     )
[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 `hashbrown` 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" "b01a6783419f57bd65b563ae27c224d63c5dad5166be78c3477da4e509f5c239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01a6783419f57bd65b563ae27c224d63c5dad5166be78c3477da4e509f5c239", kill_on_drop: false }`
[INFO] [stdout] b01a6783419f57bd65b563ae27c224d63c5dad5166be78c3477da4e509f5c239
