[INFO] fetching crate srt-protocol 0.4.4...
[INFO] checking srt-protocol-0.4.4 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate srt-protocol 0.4.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate srt-protocol 0.4.4 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srt-protocol 0.4.4
[INFO] finished tweaking crates.io crate srt-protocol 0.4.4
[INFO] tweaked toml for crates.io crate srt-protocol 0.4.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded keyed_priority_queue v0.4.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ee1bc5bda0e5a33ce446b7d8aebd35f9305822d48d4357c2637b764a97d9e757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1bc5bda0e5a33ce446b7d8aebd35f9305822d48d4357c2637b764a97d9e757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1bc5bda0e5a33ce446b7d8aebd35f9305822d48d4357c2637b764a97d9e757", kill_on_drop: false }`
[INFO] [stdout] ee1bc5bda0e5a33ce446b7d8aebd35f9305822d48d4357c2637b764a97d9e757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 375c765397f546e396c975f86ba7747c97a36ec11393bfebe311468d47775797
[INFO] running `Command { std: "docker" "start" "-a" "375c765397f546e396c975f86ba7747c97a36ec11393bfebe311468d47775797", kill_on_drop: false }`
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[INFO] [stdout] warning: field `variance` is never read
[INFO] [stdout]   --> src/protocol/sender/congestion_control.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct RateEstimate {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 12 |     pub mean: u64,
[INFO] [stdout] 13 |     pub variance: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RateEstimate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `messages` is never read
[INFO] [stdout]   --> src/protocol/sender/congestion_control.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct InputRateEstimate {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 57 |     pub messages: RateEstimate,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputRateEstimate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variance` is never read
[INFO] [stdout]   --> src/protocol/sender/congestion_control.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct RateEstimate {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 12 |     pub mean: u64,
[INFO] [stdout] 13 |     pub variance: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RateEstimate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `messages` is never read
[INFO] [stdout]   --> src/protocol/sender/congestion_control.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct InputRateEstimate {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 57 |     pub messages: RateEstimate,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputRateEstimate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "375c765397f546e396c975f86ba7747c97a36ec11393bfebe311468d47775797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375c765397f546e396c975f86ba7747c97a36ec11393bfebe311468d47775797", kill_on_drop: false }`
[INFO] [stdout] 375c765397f546e396c975f86ba7747c97a36ec11393bfebe311468d47775797