[INFO] cloning repository https://github.com/Rudranil-Sarkar/Wolf-Torrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rudranil-Sarkar/Wolf-Torrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRudranil-Sarkar%2FWolf-Torrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRudranil-Sarkar%2FWolf-Torrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c12924878ea726d0ac2b1f27847fbc9da50544be
[INFO] building Rudranil-Sarkar/Wolf-Torrent against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRudranil-Sarkar%2FWolf-Torrent" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rudranil-Sarkar/Wolf-Torrent on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rudranil-Sarkar/Wolf-Torrent
[INFO] finished tweaking git repo https://github.com/Rudranil-Sarkar/Wolf-Torrent
[INFO] tweaked toml for git repo https://github.com/Rudranil-Sarkar/Wolf-Torrent written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rudranil-Sarkar/Wolf-Torrent 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Rudranil-Sarkar/Bencode-parser-rust`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d86fc3a5b8d30ef2498c735e278aba7c8b62c8209e9c376de88a0bcd4148f41e
[INFO] running `Command { std: "docker" "start" "-a" "d86fc3a5b8d30ef2498c735e278aba7c8b62c8209e9c376de88a0bcd4148f41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d86fc3a5b8d30ef2498c735e278aba7c8b62c8209e9c376de88a0bcd4148f41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86fc3a5b8d30ef2498c735e278aba7c8b62c8209e9c376de88a0bcd4148f41e", kill_on_drop: false }`
[INFO] [stdout] d86fc3a5b8d30ef2498c735e278aba7c8b62c8209e9c376de88a0bcd4148f41e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beb770f24e4c7db8bc158405bdfd514afcfe3ac80321f38ef7b067a2a24eb73d
[INFO] running `Command { std: "docker" "start" "-a" "beb770f24e4c7db8bc158405bdfd514afcfe3ac80321f38ef7b067a2a24eb73d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencode v0.1.0 (https://github.com/Rudranil-Sarkar/Bencode-parser-rust#6fb14f58)
[INFO] [stderr]    Compiling wolf-torrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `name`, `piece_length`, and `pieces` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TorrentInfo {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 6 |     length: usize,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     piece_length: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 9 |     pieces: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TorrentInfo` 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 `announce` and `info` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Torrent {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     announce: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     info: TorrentInfo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Torrent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "beb770f24e4c7db8bc158405bdfd514afcfe3ac80321f38ef7b067a2a24eb73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb770f24e4c7db8bc158405bdfd514afcfe3ac80321f38ef7b067a2a24eb73d", kill_on_drop: false }`
[INFO] [stdout] beb770f24e4c7db8bc158405bdfd514afcfe3ac80321f38ef7b067a2a24eb73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c00eae96e499939327df6722b67ad516d6a0a34abea0b5ea8d8be3f68d377e
[INFO] running `Command { std: "docker" "start" "-a" "a9c00eae96e499939327df6722b67ad516d6a0a34abea0b5ea8d8be3f68d377e", kill_on_drop: false }`
[INFO] [stderr]    Compiling wolf-torrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `name`, `piece_length`, and `pieces` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TorrentInfo {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 6 |     length: usize,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     piece_length: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 9 |     pieces: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TorrentInfo` 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 `announce` and `info` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Torrent {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     announce: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     info: TorrentInfo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Torrent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `name`, `piece_length`, and `pieces` are never read
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TorrentInfo {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 6 |     length: usize,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     piece_length: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 9 |     pieces: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TorrentInfo` 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 `announce` and `info` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Torrent {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     announce: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     info: TorrentInfo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Torrent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a9c00eae96e499939327df6722b67ad516d6a0a34abea0b5ea8d8be3f68d377e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c00eae96e499939327df6722b67ad516d6a0a34abea0b5ea8d8be3f68d377e", kill_on_drop: false }`
[INFO] [stdout] a9c00eae96e499939327df6722b67ad516d6a0a34abea0b5ea8d8be3f68d377e