[INFO] cloning repository https://github.com/jakubjun/torrent.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubjun/torrent.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubjun%2Ftorrent.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubjun%2Ftorrent.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ee4c21d36359d1c6470bdf68f99f1b0742f1439 [INFO] checking jakubjun/torrent.rs against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubjun%2Ftorrent.rs" "/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/jakubjun/torrent.rs on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakubjun/torrent.rs [INFO] finished tweaking git repo https://github.com/jakubjun/torrent.rs [INFO] tweaked toml for git repo https://github.com/jakubjun/torrent.rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jakubjun/torrent.rs 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 910b59d70d9e9c8fded3aae313abd17330b095170b8b364f8b67c33aeb2d1fef [INFO] running `Command { std: "docker" "start" "-a" "910b59d70d9e9c8fded3aae313abd17330b095170b8b364f8b67c33aeb2d1fef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "910b59d70d9e9c8fded3aae313abd17330b095170b8b364f8b67c33aeb2d1fef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "910b59d70d9e9c8fded3aae313abd17330b095170b8b364f8b67c33aeb2d1fef", kill_on_drop: false }` [INFO] [stdout] 910b59d70d9e9c8fded3aae313abd17330b095170b8b364f8b67c33aeb2d1fef [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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b3a469631ee5a4f66305d0a90ab509862df8f3725b808542fcc54c017323f2a [INFO] running `Command { std: "docker" "start" "-a" "2b3a469631ee5a4f66305d0a90ab509862df8f3725b808542fcc54c017323f2a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking anstyle-query v1.1.0 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Compiling serde_json v1.0.120 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking clap_lex v0.7.1 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking home v0.5.9 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking clap_builder v4.5.8 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling syn v2.0.68 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking dns-lookup v2.0.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Compiling clap_derive v4.5.8 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Checking tokio v1.38.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking clap v4.5.8 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking torrent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::future::join_all` [INFO] [stdout] --> src/bin/async_write.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::future::join_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cursor` and `SeekFrom` [INFO] [stdout] --> src/bin/async_write.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | io::{self, Cursor, SeekFrom}, [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::future::join_all` [INFO] [stdout] --> src/bin/async_write.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::future::join_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncSeekExt` and `AsyncWrite` [INFO] [stdout] --> src/bin/async_write.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | io::{AsyncSeekExt, AsyncWrite, AsyncWriteExt}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cursor` and `SeekFrom` [INFO] [stdout] --> src/bin/async_write.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | io::{self, Cursor, SeekFrom}, [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncSeekExt` and `AsyncWrite` [INFO] [stdout] --> src/bin/async_write.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | io::{AsyncSeekExt, AsyncWrite, AsyncWriteExt}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/async_write.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut file = Arc::new(Mutex::new(File::create("foo.txt").await?)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/async_write.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut file = Arc::clone(&file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/async_write.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut file = Arc::new(Mutex::new(File::create("foo.txt").await?)); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:88:28 [INFO] [stdout] | [INFO] [stdout] 88 | fn parse_announce_response(buf: &Buffer) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/async_write.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut file = Arc::clone(&file); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let len = sock.send(&payload).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:88:28 [INFO] [stdout] | [INFO] [stdout] 88 | fn parse_announce_response(buf: &Buffer) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let len = sock.recv(&mut buf).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let len = sock.send(&payload).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let len = sock.recv(&mut buf).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `received_action` [INFO] [stdout] --> src/main.rs:108:10 [INFO] [stdout] | [INFO] [stdout] 108 | let (received_action, received_trans_id, received_connection_id) = parse_connect_response(&buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `received_trans_id` [INFO] [stdout] --> src/main.rs:108:27 [INFO] [stdout] | [INFO] [stdout] 108 | let (received_action, received_trans_id, received_connection_id) = parse_connect_response(&buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_trans_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `announce_request` [INFO] [stdout] --> src/main.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | let announce_request = make_announce_request( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_announce_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `received_action` [INFO] [stdout] --> src/main.rs:108:10 [INFO] [stdout] | [INFO] [stdout] 108 | let (received_action, received_trans_id, received_connection_id) = parse_connect_response(&buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_action` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `received_trans_id` [INFO] [stdout] --> src/main.rs:108:27 [INFO] [stdout] | [INFO] [stdout] 108 | let (received_action, received_trans_id, received_connection_id) = parse_connect_response(&buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_trans_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `announce_request` [INFO] [stdout] --> src/main.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | let announce_request = make_announce_request( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_announce_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/async_write.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | / file.write_all(format!("hello from {}\n", i).as_bytes()) [INFO] [stdout] 24 | | .await; [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 23 | let _ = file.write_all(format!("hello from {}\n", i).as_bytes()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_announce_response` is never used [INFO] [stdout] --> src/main.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn parse_announce_response(buf: &Buffer) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_announce_response` is never used [INFO] [stdout] --> src/main.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn parse_announce_response(buf: &Buffer) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/async_write.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | / file.write_all(format!("hello from {}\n", i).as_bytes()) [INFO] [stdout] 24 | | .await; [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 23 | let _ = file.write_all(format!("hello from {}\n", i).as_bytes()) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.26s [INFO] running `Command { std: "docker" "inspect" "2b3a469631ee5a4f66305d0a90ab509862df8f3725b808542fcc54c017323f2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b3a469631ee5a4f66305d0a90ab509862df8f3725b808542fcc54c017323f2a", kill_on_drop: false }` [INFO] [stdout] 2b3a469631ee5a4f66305d0a90ab509862df8f3725b808542fcc54c017323f2a