[INFO] cloning repository https://github.com/optifat/rustorrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/optifat/rustorrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptifat%2Frustorrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptifat%2Frustorrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3be84488b6158bee1694469b17d22dc9fa0d9ee3
[INFO] checking optifat/rustorrent against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptifat%2Frustorrent" "/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/optifat/rustorrent on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/optifat/rustorrent
[INFO] finished tweaking git repo https://github.com/optifat/rustorrent
[INFO] tweaked toml for git repo https://github.com/optifat/rustorrent written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eb60ae47b1f38bb0ed069595723d01d9b74fa42b48098f4927c6b208c115f3c
[INFO] running `Command { std: "docker" "start" "-a" "6eb60ae47b1f38bb0ed069595723d01d9b74fa42b48098f4927c6b208c115f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eb60ae47b1f38bb0ed069595723d01d9b74fa42b48098f4927c6b208c115f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb60ae47b1f38bb0ed069595723d01d9b74fa42b48098f4927c6b208c115f3c", kill_on_drop: false }`
[INFO] [stdout] 6eb60ae47b1f38bb0ed069595723d01d9b74fa42b48098f4927c6b208c115f3c
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 881394c4b6b854b0c37bd5e9e88aacf036de3d76c5a0cff3a34ddc198377edb3
[INFO] running `Command { std: "docker" "start" "-a" "881394c4b6b854b0c37bd5e9e88aacf036de3d76c5a0cff3a34ddc198377edb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking rustorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/messages.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let index = u32::from_be_bytes(message[5..9].try_into().unwrap());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `begin`
[INFO] [stdout]   --> src/messages.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let begin = u32::from_be_bytes(message[9..13].try_into().unwrap());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interval`
[INFO] [stdout]   --> src/download.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (peers, interval) = tracker::request_peers(&torrent_data, &peer_id, 7878, &info_hash);
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_got` is never read
[INFO] [stdout]    --> src/download.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut bytes_got = 0;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block` is never read
[INFO] [stdout]    --> src/download.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut block: Vec<u8> = Vec::new();
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/download.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/download.rs:135:29
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index_opt` is never read
[INFO] [stdout]    --> src/download.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     index_opt = queue.pop_front();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/messages.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let index = u32::from_be_bytes(message[5..9].try_into().unwrap());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `begin`
[INFO] [stdout]   --> src/messages.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let begin = u32::from_be_bytes(message[9..13].try_into().unwrap());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_begin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interval`
[INFO] [stdout]   --> src/download.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (peers, interval) = tracker::request_peers(&torrent_data, &peer_id, 7878, &info_hash);
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interval`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_got` is never read
[INFO] [stdout]    --> src/download.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut bytes_got = 0;
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block` is never read
[INFO] [stdout]    --> src/download.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut block: Vec<u8> = Vec::new();
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/download.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/download.rs:135:29
[INFO] [stdout]     |
[INFO] [stdout] 135 |                         Err(err) => {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index_opt` is never read
[INFO] [stdout]    --> src/download.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     index_opt = queue.pop_front();
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.14s
[INFO] running `Command { std: "docker" "inspect" "881394c4b6b854b0c37bd5e9e88aacf036de3d76c5a0cff3a34ddc198377edb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881394c4b6b854b0c37bd5e9e88aacf036de3d76c5a0cff3a34ddc198377edb3", kill_on_drop: false }`
[INFO] [stdout] 881394c4b6b854b0c37bd5e9e88aacf036de3d76c5a0cff3a34ddc198377edb3