[INFO] cloning repository https://github.com/jurajSK282/bittorrent_cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jurajSK282/bittorrent_cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjurajSK282%2Fbittorrent_cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjurajSK282%2Fbittorrent_cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f380aa70e5a69c8da4c77f3a1fb722f82163dc6a
[INFO] building jurajSK282/bittorrent_cc against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjurajSK282%2Fbittorrent_cc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jurajSK282/bittorrent_cc
[INFO] finished tweaking git repo https://github.com/jurajSK282/bittorrent_cc
[INFO] tweaked toml for git repo https://github.com/jurajSK282/bittorrent_cc written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jurajSK282/bittorrent_cc on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jurajSK282/bittorrent_cc 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7456360315ce44da07c9979cbbf1bb37cdf288e09f8ac4d9675dae0201cd77a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7456360315ce44da07c9979cbbf1bb37cdf288e09f8ac4d9675dae0201cd77a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7456360315ce44da07c9979cbbf1bb37cdf288e09f8ac4d9675dae0201cd77a3", kill_on_drop: false }`
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[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "05d44ef40874e3faef8e728f995e97624836877c612a7437df7a210b810f4dd6", kill_on_drop: false }`
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[INFO] [stderr]    Compiling bittorrent-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex::encode`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::BTreeMap` and `env`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::BTreeMap, env};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let a = read_torrent_file("sample.torrent");
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let b = 0;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `announce` and `info` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Torrent {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 10 |     announce: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     info: Info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `piece_length`, `pieces`, `length`, and `files` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Info {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     // piece length is the number of bytes in each piece
[INFO] [stdout] 17 |     piece_length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 18 |     // pieces is a string whose length is a multiple of 20
[INFO] [stdout] 19 |     pieces: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     length: Option<i64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     files: Option<Vec<File>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length` and `path` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct File {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 25 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     path: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.39s
[INFO] running `Command { std: "docker" "inspect" "05d44ef40874e3faef8e728f995e97624836877c612a7437df7a210b810f4dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d44ef40874e3faef8e728f995e97624836877c612a7437df7a210b810f4dd6", kill_on_drop: false }`
[INFO] [stdout] 05d44ef40874e3faef8e728f995e97624836877c612a7437df7a210b810f4dd6
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735e1aa4dadb2634d1f99cbdd6c19bc0e0a3a900b647bb2d4bc45f117fb2d1f4
[INFO] running `Command { std: "docker" "start" "-a" "735e1aa4dadb2634d1f99cbdd6c19bc0e0a3a900b647bb2d4bc45f117fb2d1f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bittorrent-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex::encode`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::BTreeMap` and `env`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::BTreeMap, env};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/main.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let a = read_torrent_file("sample.torrent");
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let b = 0;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `announce` and `info` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Torrent {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 10 |     announce: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     info: Info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `piece_length`, `pieces`, `length`, and `files` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Info {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     // piece length is the number of bytes in each piece
[INFO] [stdout] 17 |     piece_length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 18 |     // pieces is a string whose length is a multiple of 20
[INFO] [stdout] 19 |     pieces: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     length: Option<i64>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 21 |     files: Option<Vec<File>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length` and `path` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct File {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 25 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 26 |     path: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "735e1aa4dadb2634d1f99cbdd6c19bc0e0a3a900b647bb2d4bc45f117fb2d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735e1aa4dadb2634d1f99cbdd6c19bc0e0a3a900b647bb2d4bc45f117fb2d1f4", kill_on_drop: false }`
[INFO] [stdout] 735e1aa4dadb2634d1f99cbdd6c19bc0e0a3a900b647bb2d4bc45f117fb2d1f4