[INFO] cloning repository https://github.com/CroxxN/torain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CroxxN/torain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCroxxN%2Ftorain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCroxxN%2Ftorain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad29eb03098c0d62469641008eb66c6a374153cc
[INFO] checking CroxxN/torain 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%2FCroxxN%2Ftorain" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CroxxN/torain
[INFO] finished tweaking git repo https://github.com/CroxxN/torain
[INFO] tweaked toml for git repo https://github.com/CroxxN/torain written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CroxxN/torain 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bbb8492ddbd2de9ef02b45fec9222503c44632ffc6193600bbd34b2345c216f9
[INFO] running `Command { std: "docker" "start" "-a" "bbb8492ddbd2de9ef02b45fec9222503c44632ffc6193600bbd34b2345c216f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb8492ddbd2de9ef02b45fec9222503c44632ffc6193600bbd34b2345c216f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb8492ddbd2de9ef02b45fec9222503c44632ffc6193600bbd34b2345c216f9", kill_on_drop: false }`
[INFO] [stdout] bbb8492ddbd2de9ef02b45fec9222503c44632ffc6193600bbd34b2345c216f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b8fc0cfe80e80a540a44b947db3ac437ebc8e8887728def728ed3838a3d5dad2
[INFO] running `Command { std: "docker" "start" "-a" "b8fc0cfe80e80a540a44b947db3ac437ebc8e8887728def728ed3838a3d5dad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking crypto v0.1.0 (/opt/rustwide/workdir/crypto)
[INFO] [stderr]     Checking torain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking uttd v0.1.0 (/opt/rustwide/workdir/uttd)
[INFO] [stdout] warning: constant `ST_DATA` is never used
[INFO] [stdout]  --> uttd/src/utp.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ST_DATA: u8 = 0;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ST_FIN` is never used
[INFO] [stdout]   --> uttd/src/utp.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ST_FIN: u8 = 1;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ST_STATE` is never used
[INFO] [stdout]   --> uttd/src/utp.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ST_STATE: u8 = 2;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ST_RESET` is never used
[INFO] [stdout]   --> uttd/src/utp.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const ST_RESET: u8 = 3;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> uttd/src/lib.rs:294:41
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let length = u32::from_be_bytes(res.try_into().unwrap());
[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<String, Infallible>
[INFO] [stdout]   --> uttd/src/urutil.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut url: String = String::from_str(base).expect("FAILED to create String");
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ST_DATA` is never used
[INFO] [stdout]  --> uttd/src/utp.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ST_DATA: u8 = 0;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ST_FIN` is never used
[INFO] [stdout]   --> uttd/src/utp.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ST_FIN: u8 = 1;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ST_STATE` is never used
[INFO] [stdout]   --> uttd/src/utp.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ST_STATE: u8 = 2;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ST_RESET` is never used
[INFO] [stdout]   --> uttd/src/utp.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const ST_RESET: u8 = 3;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> uttd/src/lib.rs:294:41
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let length = u32::from_be_bytes(res.try_into().unwrap());
[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<String, Infallible>
[INFO] [stdout]   --> uttd/src/urutil.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut url: String = String::from_str(base).expect("FAILED to create String");
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uttd` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `uttd` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b8fc0cfe80e80a540a44b947db3ac437ebc8e8887728def728ed3838a3d5dad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fc0cfe80e80a540a44b947db3ac437ebc8e8887728def728ed3838a3d5dad2", kill_on_drop: false }`
[INFO] [stdout] b8fc0cfe80e80a540a44b947db3ac437ebc8e8887728def728ed3838a3d5dad2