[INFO] fetching crate panda 0.5.3...
[INFO] checking panda-0.5.3 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate panda 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate panda 0.5.3 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panda 0.5.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate panda 0.5.3
[INFO] tweaked toml for crates.io crate panda 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate panda 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", 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] 41af7bcda3d2603b02c22921c570da7894b0ea1322211baad275a0c31a0a7c61
[INFO] running `Command { std: "docker" "start" "-a" "41af7bcda3d2603b02c22921c570da7894b0ea1322211baad275a0c31a0a7c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41af7bcda3d2603b02c22921c570da7894b0ea1322211baad275a0c31a0a7c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41af7bcda3d2603b02c22921c570da7894b0ea1322211baad275a0c31a0a7c61", kill_on_drop: false }`
[INFO] [stdout] 41af7bcda3d2603b02c22921c570da7894b0ea1322211baad275a0c31a0a7c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56d9a299c9fd718724d4598d843f84b44a5372647b9f688df2ee72d38d6f51f0
[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" "56d9a299c9fd718724d4598d843f84b44a5372647b9f688df2ee72d38d6f51f0", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-sink v0.3.5
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]     Checking tracing-core v0.1.10
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[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]     Checking flate2 v1.0.14
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[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]     Checking pin-project v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking serde v1.0.111
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[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking async-tungstenite v0.5.0
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[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking panda v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/gateway/mod.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     std::mem::replace(self, g);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/gateway/mod.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     std::mem::replace(self, g);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "56d9a299c9fd718724d4598d843f84b44a5372647b9f688df2ee72d38d6f51f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d9a299c9fd718724d4598d843f84b44a5372647b9f688df2ee72d38d6f51f0", kill_on_drop: false }`
[INFO] [stdout] 56d9a299c9fd718724d4598d843f84b44a5372647b9f688df2ee72d38d6f51f0
