[INFO] fetching crate cratetorrent 0.1.0...
[INFO] checking cratetorrent-0.1.0 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate cratetorrent 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cratetorrent 0.1.0 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5932a7a58f04cc51489261956997d57111d787aa193c976c78c1b608593cfd63
[INFO] running `Command { std: "docker" "start" "-a" "5932a7a58f04cc51489261956997d57111d787aa193c976c78c1b608593cfd63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5932a7a58f04cc51489261956997d57111d787aa193c976c78c1b608593cfd63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5932a7a58f04cc51489261956997d57111d787aa193c976c78c1b608593cfd63", kill_on_drop: false }`
[INFO] [stdout] 5932a7a58f04cc51489261956997d57111d787aa193c976c78c1b608593cfd63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e4d88549d0a2afd58f8437d61e8d193e09e3cd6e78c4d6092cc342740925969
[INFO] running `Command { std: "docker" "start" "-a" "4e4d88549d0a2afd58f8437d61e8d193e09e3cd6e78c4d6092cc342740925969", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]     Checking cratetorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `InvalidPieceIndex` is never constructed
[INFO] [stdout]   --> src/disk/error.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) enum WriteError {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] 43 |     /// The block's piece index is invalid.
[INFO] [stdout] 44 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WriteError` 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: variant `InvalidPieceIndex` is never constructed
[INFO] [stdout]   --> src/disk/error.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub(crate) enum ReadError {
[INFO] [stdout]    |                 --------- variant in this enum
[INFO] [stdout] 64 |     /// The block's piece index is invalid.
[INFO] [stdout] 65 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tracker_id` and `event` are never read
[INFO] [stdout]   --> src/tracker.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub(crate) struct Announce {
[INFO] [stdout]    |                   -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub tracker_id: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub event: Option<Event>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidPieceIndex` is never constructed
[INFO] [stdout]   --> src/disk/error.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) enum WriteError {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] 43 |     /// The block's piece index is invalid.
[INFO] [stdout] 44 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WriteError` 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: variant `InvalidPieceIndex` is never constructed
[INFO] [stdout]   --> src/disk/error.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub(crate) enum ReadError {
[INFO] [stdout]    |                 --------- variant in this enum
[INFO] [stdout] 64 |     /// The block's piece index is invalid.
[INFO] [stdout] 65 |     InvalidPieceIndex,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tracker_id` and `event` are never read
[INFO] [stdout]   --> src/tracker.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub(crate) struct Announce {
[INFO] [stdout]    |                   -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub tracker_id: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub event: Option<Event>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.58s
[INFO] running `Command { std: "docker" "inspect" "4e4d88549d0a2afd58f8437d61e8d193e09e3cd6e78c4d6092cc342740925969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4d88549d0a2afd58f8437d61e8d193e09e3cd6e78c4d6092cc342740925969", kill_on_drop: false }`
[INFO] [stdout] 4e4d88549d0a2afd58f8437d61e8d193e09e3cd6e78c4d6092cc342740925969