[INFO] fetching crate signalr_rs 0.2.6...
[INFO] checking signalr_rs-0.2.6 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate signalr_rs 0.2.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate signalr_rs 0.2.6 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalr_rs 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate signalr_rs 0.2.6
[INFO] tweaked toml for crates.io crate signalr_rs 0.2.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate signalr_rs 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
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[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/zstd-safe/4.1.6+zstd.1.5.2/download` (99.84.160.114), got 503
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[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/semver/1.0.9/download` (99.84.160.114), got 503
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[INFO] [stderr] Downloaded zstd v0.10.2+zstd.1.5.2
[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/actix/0.13.0/download` (99.84.160.114), got 503
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[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/actix-tls/3.0.3/download` (99.84.160.114), got 503
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[INFO] [stderr] warning: spurious network error (3 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/local-waker/0.1.3/download` (99.84.160.114), got 503
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[INFO] [stderr] Downloaded actix-rt v2.7.0
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[INFO] [stderr] Downloaded local-channel v0.1.3
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/openssl-sys/0.9.74/download` (99.84.160.114), got 503
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[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/zstd-safe/4.1.6+zstd.1.5.2/download` (99.84.160.114), got 503
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[INFO] [stderr] warning: spurious network error (1 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/openssl-sys/0.9.74/download` (99.84.160.114), got 503
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[INFO] [stderr] warning: spurious network error (1 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/actix-tls/3.0.3/download` (99.84.160.114), got 503
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[INFO] [stderr] warning: spurious network error (1 tries remaining): failed to get successful HTTP response from `https://crates.io/api/v1/crates/actix-server/2.1.1/download` (99.84.160.114), got 503
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[INFO] [stderr] Downloaded awc v3.0.0
[INFO] [stderr] Downloaded local-waker v0.1.3
[INFO] [stderr] Downloaded semver v1.0.9
[INFO] [stderr] Downloaded actix v0.13.0
[INFO] [stderr] Downloaded actix-tls v3.0.3
[INFO] [stderr] error: failed to download from `https://crates.io/api/v1/crates/actix-server/2.1.1/download`
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[INFO] [stderr] Caused by:
[INFO] [stderr] failed to get successful HTTP response from `https://crates.io/api/v1/crates/actix-server/2.1.1/download` (99.84.160.114), got 503
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[INFO] [stderr] x-cache: Error from cloudfront
[INFO] [stderr] x-amz-cf-pop: ORD52-C2
[INFO] [stderr] x-amz-cf-id: P1-Cm-r1hU8Yvv3QfySiJx4IbwTE7gltTUG2YG7w7EOHq9sl-WSYDA==
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[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.