[INFO] cloning repository https://github.com/adamcavendish/draft-sniffle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamcavendish/draft-sniffle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamcavendish%2Fdraft-sniffle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamcavendish%2Fdraft-sniffle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e6a420955dfc56b010d10365cfcb30c6ea1ee4f
[INFO] checking adamcavendish/draft-sniffle against master#ab26b175979ee7b2cb3302dce204b99df96f7efb for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamcavendish%2Fdraft-sniffle" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adamcavendish/draft-sniffle
[INFO] finished tweaking git repo https://github.com/adamcavendish/draft-sniffle
[INFO] tweaked toml for git repo https://github.com/adamcavendish/draft-sniffle written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adamcavendish/draft-sniffle on toolchain ab26b175979ee7b2cb3302dce204b99df96f7efb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adamcavendish/draft-sniffle 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" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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] 8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb
[INFO] running `Command { std: "docker" "start" "8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb", 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" "8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb", 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" "8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb" "/opt/rustwide/cargo-home/bin/cargo" "+ab26b175979ee7b2cb3302dce204b99df96f7efb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking tokio-util v0.7.12
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[INFO] [stderr]    Compiling draft-sniffle v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/bin/server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/bin/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wrappers::ReceiverStream`
[INFO] [stdout]  --> src/bin/server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_stream::{wrappers::ReceiverStream, Stream};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/bin/server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]  --> src/bin/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wrappers::ReceiverStream`
[INFO] [stdout]  --> src/bin/server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio_stream::{wrappers::ReceiverStream, Stream};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PyTuple` and `Py`
[INFO] [stdout]   --> src/bin/client.rs:9:15
[INFO] [stdout]    |
[INFO] [stdout]  9 |     prelude::{Py, PyAny, PyModule, PyResult, Python},
[INFO] [stdout]    |               ^^
[INFO] [stdout] 10 |     types::{PyAnyMethods, PyTuple},
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PyTuple` and `Py`
[INFO] [stdout]   --> src/bin/client.rs:9:15
[INFO] [stdout]    |
[INFO] [stdout]  9 |     prelude::{Py, PyAny, PyModule, PyResult, Python},
[INFO] [stdout]    |               ^^
[INFO] [stdout] 10 |     types::{PyAnyMethods, PyTuple},
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tracer`
[INFO] [stdout]  --> src/bin/client.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     trace::{Tracer, TracerProvider as _},
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracer`
[INFO] [stdout]   --> src/bin/client.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let tracer = provider.tracer("draft-sniffle");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Tracer`
[INFO] [stdout]  --> src/bin/client.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     trace::{Tracer, TracerProvider as _},
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tracer`
[INFO] [stdout]   --> src/bin/client.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let tracer = provider.tracer("draft-sniffle");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tracer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.39s
[INFO] running `Command { std: "docker" "inspect" "8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb", kill_on_drop: false }`
[INFO] [stdout] 8e7287561c1566a067cb82896635225d96624eafbf0daaa79b17c5380ce413eb
