[INFO] fetching crate cratetorrent 0.1.0...
[INFO] checking cratetorrent-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate cratetorrent 0.1.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cratetorrent 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 216 packages to latest compatible versions
[INFO] [stderr]       Adding bitvec v0.19.6 (available: v1.0.1)
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.10.1)
[INFO] [stderr]       Adding lru v0.6.6 (available: v0.15.0)
[INFO] [stderr]       Adding mockito v0.28.0 (available: v1.7.0)
[INFO] [stderr]       Adding nix v0.19.1 (available: v0.30.1)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding reqwest v0.10.10 (available: v0.12.20)
[INFO] [stderr]       Adding sha-1 v0.9.8 (available: v0.10.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.45.1)
[INFO] [stderr]       Adding tokio-util v0.2.0 (available: v0.7.15)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58f7aa0910e03de1ab1ccc73a1bbb14e5dde4fc3c412f8fc9db344bfb731dec1
[INFO] running `Command { std: "docker" "start" "-a" "58f7aa0910e03de1ab1ccc73a1bbb14e5dde4fc3c412f8fc9db344bfb731dec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58f7aa0910e03de1ab1ccc73a1bbb14e5dde4fc3c412f8fc9db344bfb731dec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f7aa0910e03de1ab1ccc73a1bbb14e5dde4fc3c412f8fc9db344bfb731dec1", kill_on_drop: false }`
[INFO] [stdout] 58f7aa0910e03de1ab1ccc73a1bbb14e5dde4fc3c412f8fc9db344bfb731dec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce6cdaf5fa83755be76b0758c01f37e8cfec960b9143816d880c9e2d1a9ba8c4
[INFO] running `Command { std: "docker" "start" "-a" "ce6cdaf5fa83755be76b0758c01f37e8cfec960b9143816d880c9e2d1a9ba8c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking difference v2.0.0
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[INFO] [stderr]    Compiling mime_guess v2.0.5
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[INFO] [stderr]     Checking bitvec v0.19.6
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[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking openssl v0.10.73
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]     Checking assert-json-diff v1.1.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking mockito v0.28.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking native-tls v0.2.14
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.99s
[INFO] running `Command { std: "docker" "inspect" "ce6cdaf5fa83755be76b0758c01f37e8cfec960b9143816d880c9e2d1a9ba8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6cdaf5fa83755be76b0758c01f37e8cfec960b9143816d880c9e2d1a9ba8c4", kill_on_drop: false }`
[INFO] [stdout] ce6cdaf5fa83755be76b0758c01f37e8cfec960b9143816d880c9e2d1a9ba8c4