[INFO] cloning repository https://github.com/mccartykim/schmoo_torrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mccartykim/schmoo_torrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmccartykim%2Fschmoo_torrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmccartykim%2Fschmoo_torrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08a04f9bb39fc0e4764dc1687035e49a893204c6
[INFO] checking mccartykim/schmoo_torrent against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmccartykim%2Fschmoo_torrent" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mccartykim/schmoo_torrent on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mccartykim/schmoo_torrent
[INFO] finished tweaking git repo https://github.com/mccartykim/schmoo_torrent
[INFO] tweaked toml for git repo https://github.com/mccartykim/schmoo_torrent written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/mccartykim/schmoo_torrent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72a9cc5f167fe1c5a34695a5af98a403edae6d8cbc29af18738b1526df0e5ae0
[INFO] running `Command { std: "docker" "start" "-a" "72a9cc5f167fe1c5a34695a5af98a403edae6d8cbc29af18738b1526df0e5ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a9cc5f167fe1c5a34695a5af98a403edae6d8cbc29af18738b1526df0e5ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a9cc5f167fe1c5a34695a5af98a403edae6d8cbc29af18738b1526df0e5ae0", kill_on_drop: false }`
[INFO] [stdout] 72a9cc5f167fe1c5a34695a5af98a403edae6d8cbc29af18738b1526df0e5ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfcfa2553eb414d68e60230cc7fc05bed55c255dd06e3cf53ee86c0307bb8a9f
[INFO] running `Command { std: "docker" "start" "-a" "bfcfa2553eb414d68e60230cc7fc05bed55c255dd06e3cf53ee86c0307bb8a9f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking schmoo_torrent v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: type `Raw_Bitfield` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 |     struct Raw_Bitfield { bytes: Vec<u8> }
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RawBitfield`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_metainfo`
[INFO] [stdout]    --> src/main.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn decode_metainfo() -> Bencode {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Request`
[INFO] [stdout]    --> src/main.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 |     struct Request {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TorrentEvent`
[INFO] [stdout]    --> src/main.rs:278:10
[INFO] [stdout]     |
[INFO] [stdout] 278 |     enum TorrentEvent {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PeerState`
[INFO] [stdout]    --> src/main.rs:291:12
[INFO] [stdout]     |
[INFO] [stdout] 291 |     struct PeerState {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `INITIAL_STATE`
[INFO] [stdout]    --> src/main.rs:298:5
[INFO] [stdout]     |
[INFO] [stdout] 298 | /     static INITIAL_STATE: PeerState = PeerState {
[INFO] [stdout] 299 | |         am_choking: true,
[INFO] [stdout] 300 | |         am_interested: false,
[INFO] [stdout] 301 | |         choking_me: true,
[INFO] [stdout] 302 | |         interested_in_me: false
[INFO] [stdout] 303 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handshake`
[INFO] [stdout]    --> src/main.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 |     struct Handshake {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Messages`
[INFO] [stdout]    --> src/main.rs:315:10
[INFO] [stdout]     |
[INFO] [stdout] 315 |     enum Messages {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Have`
[INFO] [stdout]    --> src/main.rs:329:12
[INFO] [stdout]     |
[INFO] [stdout] 329 |     struct Have { piece_index: u32 }
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Raw_Bitfield`
[INFO] [stdout]    --> src/main.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 |     struct Raw_Bitfield { bytes: Vec<u8> }
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Request`
[INFO] [stdout]    --> src/main.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 |     struct Request { index: u32, begin: u32, length: u32 }
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Piece`
[INFO] [stdout]    --> src/main.rs:333:12
[INFO] [stdout]     |
[INFO] [stdout] 333 |     struct Piece { index: u32, begin: u32, block: Vec<u8> }
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cancel`
[INFO] [stdout]    --> src/main.rs:334:12
[INFO] [stdout]     |
[INFO] [stdout] 334 |     struct Cancel { index: u32, begin: u32, length: u32 }
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pieces`
[INFO] [stdout]    --> src/main.rs:341:12
[INFO] [stdout]     |
[INFO] [stdout] 341 |     struct Pieces {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Piece`
[INFO] [stdout]    --> src/main.rs:350:12
[INFO] [stdout]     |
[INFO] [stdout] 350 |     struct Piece {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_done`
[INFO] [stdout]    --> src/main.rs:358:12
[INFO] [stdout]     |
[INFO] [stdout] 358 |         fn is_done(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]    --> src/main.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         len: usize,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bencode::Bencode`
[INFO] [stdout]    --> src/main.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |         use crate::bencode::Bencode;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bencode::Bencode::*`
[INFO] [stdout]    --> src/main.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         use crate::bencode::Bencode::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/main.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         use std::collections::HashMap;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Raw_Bitfield` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:331:12
[INFO] [stdout]     |
[INFO] [stdout] 331 |     struct Raw_Bitfield { bytes: Vec<u8> }
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RawBitfield`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bitfield::Bitfield`
[INFO] [stdout]    --> src/main.rs:412:13
[INFO] [stdout]     |
[INFO] [stdout] 412 |         use crate::bitfield::Bitfield;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `schmoo_torrent`
[INFO] [stdout]    --> src/main.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | / mod bencode {
[INFO] [stdout] 3   | |     use std::collections::HashMap;
[INFO] [stdout] 4   | |     use std::fmt;
[INFO] [stdout] 5   | |     use crate::bencode::Bencode::*;
[INFO] [stdout] ...   |
[INFO] [stdout] 450 | |     }
[INFO] [stdout] 451 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `schmoo_torrent` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "bfcfa2553eb414d68e60230cc7fc05bed55c255dd06e3cf53ee86c0307bb8a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcfa2553eb414d68e60230cc7fc05bed55c255dd06e3cf53ee86c0307bb8a9f", kill_on_drop: false }`
[INFO] [stdout] bfcfa2553eb414d68e60230cc7fc05bed55c255dd06e3cf53ee86c0307bb8a9f