[INFO] cloning repository https://github.com/0queue/boosttorrent2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0queue/boosttorrent2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0queue%2Fboosttorrent2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0queue%2Fboosttorrent2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec8523deb50ee9f4a00664aab31a6df150ee7cfd
[INFO] checking 0queue/boosttorrent2 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0queue%2Fboosttorrent2" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0queue/boosttorrent2 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/0queue/boosttorrent2
[INFO] finished tweaking git repo https://github.com/0queue/boosttorrent2
[INFO] tweaked toml for git repo https://github.com/0queue/boosttorrent2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/0queue/boosttorrent2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded replace_with v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 02961f2229936a90e41dab2f3ffad6adc51a5b32942ac32543826461c4cd65cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02961f2229936a90e41dab2f3ffad6adc51a5b32942ac32543826461c4cd65cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02961f2229936a90e41dab2f3ffad6adc51a5b32942ac32543826461c4cd65cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02961f2229936a90e41dab2f3ffad6adc51a5b32942ac32543826461c4cd65cb", kill_on_drop: false }`
[INFO] [stdout] 02961f2229936a90e41dab2f3ffad6adc51a5b32942ac32543826461c4cd65cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 982135196b0741dd34ae799669a1b161cd424b6f9bb3540e97cb11d18ccf09c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "982135196b0741dd34ae799669a1b161cd424b6f9bb3540e97cb11d18ccf09c8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking byteorder v1.2.7
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[INFO] [stderr]    Compiling gcc v0.3.55
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[INFO] [stderr]     Checking boosttorrent2 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/metainfo/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/peer/message.rs (1 fix)
[INFO] [stderr]        Fixed src/peer/mod.rs (2 fixes)
[INFO] [stderr]        Fixed src/server/mod.rs (4 fixes)
[INFO] [stderr]        Fixed src/boostencode/parse/mod.rs (1 fix)
[INFO] [stdout] warning: variant is never constructed: `Failure`
[INFO] [stdout]   --> src/tracker/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Failure(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/tracker/mod.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Completed`
[INFO] [stdout]    --> src/tracker/mod.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Completed,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]    --> src/tracker/mod.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn cancel(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finish`
[INFO] [stdout]    --> src/tracker/mod.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn finish(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `refresh`
[INFO] [stdout]    --> src/tracker/mod.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn refresh(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/piece/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hasher`
[INFO] [stdout]   --> src/piece/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hasher: Sha1,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]   --> src/piece/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     hash: [u8; 20],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_pieces`
[INFO] [stdout]   --> src/piece/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     sub_pieces: BitVec
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/piece/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(piece_size: u32, piece_hash: [u8;20]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verify`
[INFO] [stdout]   --> src/piece/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn verify(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `uploaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     uploaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `downloaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     downloaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `finished_piece_sender`
[INFO] [stdout]   --> src/peer/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     finished_piece_sender: Sender<(Piece, Sender<Piece>, BitVec)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `peers_pieces`
[INFO] [stdout]   --> src/peer/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     peers_pieces: BitVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                         write!(f, ", ");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     write!(f, "{}", val);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 writeln!(f, "{{");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     writeln!(f, "  {} => {}", str::from_utf8(k).unwrap_or("[...bytes...]"), v);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/tracker/test.rs (1 fix)
[INFO] [stdout] warning: variant is never constructed: `Failure`
[INFO] [stdout]   --> src/tracker/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Failure(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/tracker/mod.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Completed`
[INFO] [stdout]    --> src/tracker/mod.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Completed,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]    --> src/tracker/mod.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn cancel(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finish`
[INFO] [stdout]    --> src/tracker/mod.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn finish(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `refresh`
[INFO] [stdout]    --> src/tracker/mod.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn refresh(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/piece/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hasher`
[INFO] [stdout]   --> src/piece/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hasher: Sha1,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]   --> src/piece/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     hash: [u8; 20],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_pieces`
[INFO] [stdout]   --> src/piece/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     sub_pieces: BitVec
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/piece/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(piece_size: u32, piece_hash: [u8;20]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verify`
[INFO] [stdout]   --> src/piece/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn verify(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `uploaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     uploaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `downloaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     downloaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `finished_piece_sender`
[INFO] [stdout]   --> src/peer/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     finished_piece_sender: Sender<(Piece, Sender<Piece>, BitVec)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `peers_pieces`
[INFO] [stdout]   --> src/peer/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     peers_pieces: BitVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                         write!(f, ", ");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     write!(f, "{}", val);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 writeln!(f, "{{");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     writeln!(f, "  {} => {}", str::from_utf8(k).unwrap_or("[...bytes...]"), v);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.89s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking boosttorrent2 v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `Failure`
[INFO] [stdout]   --> src/tracker/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Failure(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/tracker/mod.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Completed`
[INFO] [stdout]    --> src/tracker/mod.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Completed,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]    --> src/tracker/mod.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn cancel(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finish`
[INFO] [stdout]    --> src/tracker/mod.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn finish(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `refresh`
[INFO] [stdout]    --> src/tracker/mod.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn refresh(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/piece/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hasher`
[INFO] [stdout]   --> src/piece/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hasher: Sha1,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]   --> src/piece/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     hash: [u8; 20],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_pieces`
[INFO] [stdout]   --> src/piece/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     sub_pieces: BitVec
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/piece/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(piece_size: u32, piece_hash: [u8;20]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verify`
[INFO] [stdout]   --> src/piece/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn verify(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `uploaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     uploaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `downloaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     downloaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `finished_piece_sender`
[INFO] [stdout]   --> src/peer/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     finished_piece_sender: Sender<(Piece, Sender<Piece>, BitVec)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `peers_pieces`
[INFO] [stdout]   --> src/peer/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     peers_pieces: BitVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                         write!(f, ", ");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     write!(f, "{}", val);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 writeln!(f, "{{");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     writeln!(f, "  {} => {}", str::from_utf8(k).unwrap_or("[...bytes...]"), v);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Failure`
[INFO] [stdout]   --> src/tracker/mod.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     Failure(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> src/tracker/mod.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Completed`
[INFO] [stdout]    --> src/tracker/mod.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     Completed,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]    --> src/tracker/mod.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn cancel(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `finish`
[INFO] [stdout]    --> src/tracker/mod.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn finish(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `refresh`
[INFO] [stdout]    --> src/tracker/mod.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn refresh(&mut self, left: u64, uploaded: u64, downloaded: u64) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/piece/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hasher`
[INFO] [stdout]   --> src/piece/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     hasher: Sha1,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]   --> src/piece/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     hash: [u8; 20],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_pieces`
[INFO] [stdout]   --> src/piece/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     sub_pieces: BitVec
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/piece/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(piece_size: u32, piece_hash: [u8;20]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `verify`
[INFO] [stdout]   --> src/piece/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn verify(&mut self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `uploaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     uploaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `downloaded_sender`
[INFO] [stdout]   --> src/peer/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     downloaded_sender: Sender<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `finished_piece_sender`
[INFO] [stdout]   --> src/peer/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     finished_piece_sender: Sender<(Piece, Sender<Piece>, BitVec)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `peers_pieces`
[INFO] [stdout]   --> src/peer/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     peers_pieces: BitVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                         write!(f, ", ");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:140:21
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     write!(f, "{}", val);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 writeln!(f, "{{");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/boostencode/mod.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     writeln!(f, "  {} => {}", str::from_utf8(k).unwrap_or("[...bytes...]"), v);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "982135196b0741dd34ae799669a1b161cd424b6f9bb3540e97cb11d18ccf09c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982135196b0741dd34ae799669a1b161cd424b6f9bb3540e97cb11d18ccf09c8", kill_on_drop: false }`
[INFO] [stdout] 982135196b0741dd34ae799669a1b161cd424b6f9bb3540e97cb11d18ccf09c8