[INFO] fetching crate serde_bencode 0.2.4...
[INFO] checking serde_bencode-0.2.4 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate serde_bencode 0.2.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate serde_bencode 0.2.4 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate serde_bencode 0.2.4
[INFO] finished tweaking crates.io crate serde_bencode 0.2.4
[INFO] tweaked toml for crates.io crate serde_bencode 0.2.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate serde_bencode 0.2.4 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] [stderr]   Downloaded serde_test v1.0.176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47297c290ce5983ca29c11fb0b62b2ef34155da8b920d798b79dadaba5eab569
[INFO] running `Command { std: "docker" "start" "-a" "47297c290ce5983ca29c11fb0b62b2ef34155da8b920d798b79dadaba5eab569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47297c290ce5983ca29c11fb0b62b2ef34155da8b920d798b79dadaba5eab569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47297c290ce5983ca29c11fb0b62b2ef34155da8b920d798b79dadaba5eab569", kill_on_drop: false }`
[INFO] [stdout] 47297c290ce5983ca29c11fb0b62b2ef34155da8b920d798b79dadaba5eab569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45046df31ed6ea8814f9b2a30da89341c0246a3d6f3766be63150b3cdb4f31f
[INFO] running `Command { std: "docker" "start" "-a" "c45046df31ed6ea8814f9b2a30da89341c0246a3d6f3766be63150b3cdb4f31f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking serde_bencode v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> examples/parse_torrent.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.60s
[INFO] running `Command { std: "docker" "inspect" "c45046df31ed6ea8814f9b2a30da89341c0246a3d6f3766be63150b3cdb4f31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45046df31ed6ea8814f9b2a30da89341c0246a3d6f3766be63150b3cdb4f31f", kill_on_drop: false }`
[INFO] [stdout] c45046df31ed6ea8814f9b2a30da89341c0246a3d6f3766be63150b3cdb4f31f