[INFO] cloning repository https://github.com/flaviuvlaicu/sra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flaviuvlaicu/sra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviuvlaicu%2Fsra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviuvlaicu%2Fsra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca052a8c2459f1a0b1666341d122f57b2cd88921
[INFO] checking flaviuvlaicu/sra against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviuvlaicu%2Fsra" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flaviuvlaicu/sra
[INFO] finished tweaking git repo https://github.com/flaviuvlaicu/sra
[INFO] tweaked toml for git repo https://github.com/flaviuvlaicu/sra written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flaviuvlaicu/sra on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/flaviuvlaicu/sra 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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73
[INFO] running `Command { std: "docker" "start" "d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> sra-network/src/async_tools.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |           if let Some((mut len, buffer)) = self.buffer.take() {
[INFO] [stdout]    |                        ^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 55 |               loop {
[INFO] [stdout] 56 | /                 len = match Pin::new(&mut self.socket).poll_write(cx, &buffer)? {
[INFO] [stdout] 57 | |                     Poll::Ready(written) => written,
[INFO] [stdout] 58 | |                     Poll::Pending => return Poll::Pending,
[INFO] [stdout] 59 | |                 };
[INFO] [stdout]    | |_________________- `len` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]   --> sra-network/src/async_tools.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |           if let Some((mut len, buffer)) = self.buffer.take() {
[INFO] [stdout]    |                        ^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 55 |               loop {
[INFO] [stdout] 56 | /                 len = match Pin::new(&mut self.socket).poll_write(cx, &buffer)? {
[INFO] [stdout] 57 | |                     Poll::Ready(written) => written,
[INFO] [stdout] 58 | |                     Poll::Pending => return Poll::Pending,
[INFO] [stdout] 59 | |                 };
[INFO] [stdout]    | |_________________- `len` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73", kill_on_drop: false }`
[INFO] [stdout] d1d0c5cff9884c5ec12617ecc374f0db5fc1d2f346864e968a7a4753b282dc73
