[INFO] fetching crate torrust-serde-bencode 0.2.3...
[INFO] checking torrust-serde-bencode-0.2.3 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate torrust-serde-bencode 0.2.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate torrust-serde-bencode 0.2.3 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate torrust-serde-bencode 0.2.3
[INFO] finished tweaking crates.io crate torrust-serde-bencode 0.2.3
[INFO] tweaked toml for crates.io crate torrust-serde-bencode 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate torrust-serde-bencode 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e6c668fcfe6d13c6114dcafa1e59e2341761fd58781c48c62e9d1b13b84af9f
[INFO] running `Command { std: "docker" "start" "-a" "1e6c668fcfe6d13c6114dcafa1e59e2341761fd58781c48c62e9d1b13b84af9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e6c668fcfe6d13c6114dcafa1e59e2341761fd58781c48c62e9d1b13b84af9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6c668fcfe6d13c6114dcafa1e59e2341761fd58781c48c62e9d1b13b84af9f", kill_on_drop: false }`
[INFO] [stdout] 1e6c668fcfe6d13c6114dcafa1e59e2341761fd58781c48c62e9d1b13b84af9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226f39d9d4c39265d6e61f47e8b3dd6d06939cdae4749f91f14629f744845aec
[INFO] running `Command { std: "docker" "start" "-a" "226f39d9d4c39265d6e61f47e8b3dd6d06939cdae4749f91f14629f744845aec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking torrust-serde-bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/parse_torrent.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Node(String, i64);
[INFO] [stdout]    |        ---- ^^^^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Node` 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: fields `pieces` and `length` are never read
[INFO] [stdout]   --> examples/parse_torrent.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Info {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 24 |     pub name: String,
[INFO] [stdout] 25 |     pub pieces: ByteBuf,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub length: Option<i64>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Info` 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 8.50s
[INFO] running `Command { std: "docker" "inspect" "226f39d9d4c39265d6e61f47e8b3dd6d06939cdae4749f91f14629f744845aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226f39d9d4c39265d6e61f47e8b3dd6d06939cdae4749f91f14629f744845aec", kill_on_drop: false }`
[INFO] [stdout] 226f39d9d4c39265d6e61f47e8b3dd6d06939cdae4749f91f14629f744845aec