[INFO] fetching crate cratetorrent 0.1.0...
[INFO] checking cratetorrent-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate cratetorrent 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate cratetorrent 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cratetorrent 0.1.0
[INFO] finished tweaking crates.io crate cratetorrent 0.1.0
[INFO] tweaked toml for crates.io crate cratetorrent 0.1.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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 extend v0.1.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e60f8081ef5b3c16e4c87a354f6aa8baf44e647ff079922c982b04e32dad1086
[INFO] running `Command { std: "docker" "start" "-a" "e60f8081ef5b3c16e4c87a354f6aa8baf44e647ff079922c982b04e32dad1086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60f8081ef5b3c16e4c87a354f6aa8baf44e647ff079922c982b04e32dad1086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60f8081ef5b3c16e4c87a354f6aa8baf44e647ff079922c982b04e32dad1086", kill_on_drop: false }`
[INFO] [stdout] e60f8081ef5b3c16e4c87a354f6aa8baf44e647ff079922c982b04e32dad1086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96d3111117e47c0f56246a783d6d0ebbd3c4741a88adf5b05115479b474d0bc2
[INFO] running `Command { std: "docker" "start" "-a" "96d3111117e47c0f56246a783d6d0ebbd3c4741a88adf5b05115479b474d0bc2", kill_on_drop: false }`
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[INFO] [stderr]     Checking cratetorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `InvalidPieceIndex`
[INFO] [stdout]   --> src/disk/error.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidPieceIndex`
[INFO] [stdout]   --> src/disk/error.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tracker_id`
[INFO] [stdout]   --> src/tracker.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub tracker_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `event`
[INFO] [stdout]   --> src/tracker.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub event: Option<Event>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidPieceIndex`
[INFO] [stdout]   --> src/disk/error.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidPieceIndex`
[INFO] [stdout]   --> src/disk/error.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tracker_id`
[INFO] [stdout]   --> src/tracker.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub tracker_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `event`
[INFO] [stdout]   --> src/tracker.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub event: Option<Event>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.64s
[INFO] running `Command { std: "docker" "inspect" "96d3111117e47c0f56246a783d6d0ebbd3c4741a88adf5b05115479b474d0bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d3111117e47c0f56246a783d6d0ebbd3c4741a88adf5b05115479b474d0bc2", kill_on_drop: false }`
[INFO] [stdout] 96d3111117e47c0f56246a783d6d0ebbd3c4741a88adf5b05115479b474d0bc2
