[INFO] fetching crate saltyrtc-client 0.9.0...
[INFO] checking saltyrtc-client-0.9.0 against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] extracting crate saltyrtc-client 0.9.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate saltyrtc-client 0.9.0 on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate saltyrtc-client 0.9.0
[INFO] finished tweaking crates.io crate saltyrtc-client 0.9.0
[INFO] tweaked toml for crates.io crate saltyrtc-client 0.9.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate saltyrtc-client 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto_box v0.7.2
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.8.0
[INFO] [stderr]   Downloaded enumset_derive v0.6.0
[INFO] [stderr]   Downloaded tokio-tls v0.2.1
[INFO] [stderr]   Downloaded cursive v0.20.0
[INFO] [stderr]   Downloaded rmpv v0.4.7
[INFO] [stderr]   Downloaded enumset v1.0.11
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded thread-id v4.0.0
[INFO] [stderr]   Downloaded arc-swap v1.5.1
[INFO] [stderr]   Downloaded cursive_core v0.3.5
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] [stderr]   Downloaded log4rs v1.1.1
[INFO] [stderr]   Downloaded websocket-base v0.26.5
[INFO] [stderr]   Downloaded websocket v0.26.5
[INFO] [stderr]   Downloaded salsa20 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74fa3f1abb61f3e49301b1e5bf18db63f47b67be09e3069f6f05b11772d91d9f
[INFO] running `Command { std: "docker" "start" "-a" "74fa3f1abb61f3e49301b1e5bf18db63f47b67be09e3069f6f05b11772d91d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74fa3f1abb61f3e49301b1e5bf18db63f47b67be09e3069f6f05b11772d91d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74fa3f1abb61f3e49301b1e5bf18db63f47b67be09e3069f6f05b11772d91d9f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1677e6aa54d0df06b7360fa4090513f213d231cbb736c9377f4c3707bd22ce41
[INFO] running `Command { std: "docker" "start" "-a" "1677e6aa54d0df06b7360fa4090513f213d231cbb736c9377f4c3707bd22ce41", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:440:41
[INFO] [stdout]     |
[INFO] [stdout] 440 |             SaltyError::Network(match e.cause() {
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:440:41
[INFO] [stdout]     |
[INFO] [stdout] 440 |             SaltyError::Network(match e.cause() {
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "1677e6aa54d0df06b7360fa4090513f213d231cbb736c9377f4c3707bd22ce41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1677e6aa54d0df06b7360fa4090513f213d231cbb736c9377f4c3707bd22ce41", kill_on_drop: false }`
[INFO] [stdout] 1677e6aa54d0df06b7360fa4090513f213d231cbb736c9377f4c3707bd22ce41