[INFO] cloning repository https://github.com/Titoutee/Rottorrent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Titoutee/Rottorrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTitoutee%2FRottorrent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTitoutee%2FRottorrent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5cb6ec30bf1c049b33d32172a46b81bf7c2cc68
[INFO] checking Titoutee/Rottorrent against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTitoutee%2FRottorrent" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Titoutee/Rottorrent
[INFO] finished tweaking git repo https://github.com/Titoutee/Rottorrent
[INFO] tweaked toml for git repo https://github.com/Titoutee/Rottorrent written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Titoutee/Rottorrent on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Titoutee/Rottorrent 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b87c110c42eb4a8a1a01808aaf7ae104a35fb1853a9bef5ceba44feb03fb4523
[INFO] running `Command { std: "docker" "start" "-a" "b87c110c42eb4a8a1a01808aaf7ae104a35fb1853a9bef5ceba44feb03fb4523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b87c110c42eb4a8a1a01808aaf7ae104a35fb1853a9bef5ceba44feb03fb4523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87c110c42eb4a8a1a01808aaf7ae104a35fb1853a9bef5ceba44feb03fb4523", kill_on_drop: false }`
[INFO] [stdout] b87c110c42eb4a8a1a01808aaf7ae104a35fb1853a9bef5ceba44feb03fb4523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fac26942fa170a830cadf619ff1b681143c3c9bf08eb482e51b28ded969f1bf
[INFO] running `Command { std: "docker" "start" "-a" "5fac26942fa170a830cadf619ff1b681143c3c9bf08eb482e51b28ded969f1bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling openssl v0.10.56
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]     Checking base64 v0.21.2
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[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling openssl-sys v0.9.91
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[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking thiserror v1.0.38
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling strum_macros v0.26.1
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking clap v4.3.22
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking serde_bencode v0.2.3
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking rottorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `at` is never used
[INFO] [stdout]  --> src/hash.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Hashes {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 9 |     pub fn at(&self, index: usize) -> Option<&[u8; 20]> {
[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 `index`, `begin`, and `length` are never read
[INFO] [stdout]   --> src/net.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 52 |     index: [u8; 4],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     begin: [u8; 4],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 54 |     length: [u8; 4],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `index`, `begin`, and `length` are never used
[INFO] [stdout]   --> src/net.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Request {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn index(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn begin(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn length(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `begin` is never read
[INFO] [stdout]   --> src/net.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Piece {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 86 |     index: [u8; 4],
[INFO] [stdout] 87 |     begin: [u8; 4],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `begin` is never used
[INFO] [stdout]   --> src/net.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn begin(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         hasher
[INFO] [stdout] 69 | |             .finalize()
[INFO] [stdout] 70 | |             .try_into()
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]    --> src/main.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 |               let hash: [u8; 20] = hasher
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 326 | |                 .finalize()
[INFO] [stdout] 327 | |                 .try_into()
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/message.rs:114:42
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let len_slice = u32::to_le_bytes((len as u32).try_into().unwrap());
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rottorrent` (bin "rottorrent" test) due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `at` is never used
[INFO] [stdout]  --> src/hash.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Hashes {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 9 |     pub fn at(&self, index: usize) -> Option<&[u8; 20]> {
[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 `index`, `begin`, and `length` are never read
[INFO] [stdout]   --> src/net.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Request {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 52 |     index: [u8; 4],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     begin: [u8; 4],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 54 |     length: [u8; 4],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `index`, `begin`, and `length` are never used
[INFO] [stdout]   --> src/net.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Request {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn index(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn begin(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn length(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `begin` is never read
[INFO] [stdout]   --> src/net.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Piece {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 86 |     index: [u8; 4],
[INFO] [stdout] 87 |     begin: [u8; 4],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `begin` is never used
[INFO] [stdout]   --> src/net.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn begin(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 | /         hasher
[INFO] [stdout] 69 | |             .finalize()
[INFO] [stdout] 70 | |             .try_into()
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]    --> src/main.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 |               let hash: [u8; 20] = hasher
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 326 | |                 .finalize()
[INFO] [stdout] 327 | |                 .try_into()
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/message.rs:114:42
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let len_slice = u32::to_le_bytes((len as u32).try_into().unwrap());
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rottorrent` (bin "rottorrent") due to 3 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5fac26942fa170a830cadf619ff1b681143c3c9bf08eb482e51b28ded969f1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fac26942fa170a830cadf619ff1b681143c3c9bf08eb482e51b28ded969f1bf", kill_on_drop: false }`
[INFO] [stdout] 5fac26942fa170a830cadf619ff1b681143c3c9bf08eb482e51b28ded969f1bf
