[INFO] cloning repository https://github.com/foresterre/stdin_minimal_case
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foresterre/stdin_minimal_case" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforesterre%2Fstdin_minimal_case", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforesterre%2Fstdin_minimal_case'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c06947e9ecc21147fbe302a9406e1eac3250ad3
[INFO] testing foresterre/stdin_minimal_case against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforesterre%2Fstdin_minimal_case" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/foresterre/stdin_minimal_case
[INFO] finished tweaking git repo https://github.com/foresterre/stdin_minimal_case
[INFO] tweaked toml for git repo https://github.com/foresterre/stdin_minimal_case written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/foresterre/stdin_minimal_case on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/foresterre/stdin_minimal_case 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc64fa1b83fd2e2d8264f70d41e2c3afb4424610a190b9346e968bdeb4e972b2
[INFO] running `Command { std: "docker" "start" "-a" "dc64fa1b83fd2e2d8264f70d41e2c3afb4424610a190b9346e968bdeb4e972b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc64fa1b83fd2e2d8264f70d41e2c3afb4424610a190b9346e968bdeb4e972b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc64fa1b83fd2e2d8264f70d41e2c3afb4424610a190b9346e968bdeb4e972b2", kill_on_drop: false }`
[INFO] [stdout] dc64fa1b83fd2e2d8264f70d41e2c3afb4424610a190b9346e968bdeb4e972b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba87552732ea091ea644d2330166f4c6111636fe1859145453af98c047284c7
[INFO] running `Command { std: "docker" "start" "-a" "5ba87552732ea091ea644d2330166f4c6111636fe1859145453af98c047284c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling tokio-stdin v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling stdin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/bin/asynced.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bin/asynced.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn something() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn something() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/bin/asynced.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Future, Sink, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sink`
[INFO] [stdout]  --> src/bin/asynced.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Future, Sink, Stream};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/bin/asynced.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Future, Sink, Stream};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/bin/asynced.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let s = tokio_stdin::spawn_stdin_stream_unbounded().wait();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/asynced.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/asynced.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/s.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Timer(TimerError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Timer(TimerError),
[INFO] [stdout] 10 +     Timer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "5ba87552732ea091ea644d2330166f4c6111636fe1859145453af98c047284c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba87552732ea091ea644d2330166f4c6111636fe1859145453af98c047284c7", kill_on_drop: false }`
[INFO] [stdout] 5ba87552732ea091ea644d2330166f4c6111636fe1859145453af98c047284c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0127693fe28cb1a8cc1976220b90507fa28e697925939c8874da765c94caa83a
[INFO] running `Command { std: "docker" "start" "-a" "0127693fe28cb1a8cc1976220b90507fa28e697925939c8874da765c94caa83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/bin/asynced.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/bin/asynced.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn something() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn something() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/bin/asynced.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Future, Sink, Stream};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sink`
[INFO] [stdout]  --> src/bin/asynced.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Future, Sink, Stream};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/bin/asynced.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{Future, Sink, Stream};
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/bin/asynced.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let s = tokio_stdin::spawn_stdin_stream_unbounded().wait();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/asynced.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/asynced.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/s.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Timer(TimerError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Timer(TimerError),
[INFO] [stdout] 10 +     Timer(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "0127693fe28cb1a8cc1976220b90507fa28e697925939c8874da765c94caa83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0127693fe28cb1a8cc1976220b90507fa28e697925939c8874da765c94caa83a", kill_on_drop: false }`
[INFO] [stdout] 0127693fe28cb1a8cc1976220b90507fa28e697925939c8874da765c94caa83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 256f9bc19c61fe6a2e59e8b161ddc2f50f8f7ca7e0299c5c23ec79f85a0c68fd
[INFO] running `Command { std: "docker" "start" "-a" "256f9bc19c61fe6a2e59e8b161ddc2f50f8f7ca7e0299c5c23ec79f85a0c68fd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/bin/asynced.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bin/asynced.rs:6:34
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn something() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn something() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]   |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Future`
[INFO] [stderr]  --> src/bin/asynced.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sink`
[INFO] [stderr]  --> src/bin/asynced.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> src/bin/asynced.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/bin/asynced.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let s = tokio_stdin::spawn_stdin_stream_unbounded().wait();
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/asynced.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/bin/asynced.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/bin/s.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Timer(TimerError),
[INFO] [stderr]    |     ----- ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 -     Timer(TimerError),
[INFO] [stderr] 10 +     Timer(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `stdin` (bin "asynced" test) generated 8 warnings (run `cargo fix --bin "asynced" -p stdin --tests` to apply 5 suggestions)
[INFO] [stderr] warning: `stdin` (bin "s" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/bin/asynced.rs (/opt/rustwide/target/debug/deps/asynced-221235605015d5d1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test expect_empty_result_async ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- expect_empty_result_async stdout ----
[INFO] [stdout] This is a work in progress minimal example to read the stdin asynchronously
[INFO] [stdout] 
[INFO] [stdout] thread 'expect_empty_result_async' (24) panicked at src/bin/asynced.rs:31:5:
[INFO] [stdout] assertion failed: case.is_err()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6443df854b62 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6443df854b62 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6443df854b62 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6443df854b62 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6443df864a2f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6443df864a2f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x6443df822153 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6443df822153 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6443df82e052 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6443df832c7f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6443df832b11 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x6443df7ef1ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x6443df7ef1ae - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6443df83328f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x6443df83328f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x6443df8330b6 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x6443df82e189 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x6443df81691d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6443df86c3c0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6443df86c39c - core::panicking::panic::h5cbcc2ceb0950681
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6443df7bf7d5 - asynced::expect_empty_result_async::h2327569311625d30
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/asynced.rs:31:5
[INFO] [stdout]   21:     0x6443df7bf817 - asynced::expect_empty_result_async::{{closure}}::ha5ebb04f840f393c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/asynced.rs:28:31
[INFO] [stdout]   22:     0x6443df7be426 - core::ops::function::FnOnce::call_once::h57f95fb4bb489471
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6443df7eefab - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6443df7eefab - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x6443df80300d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x6443df80300d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x6443df80300d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x6443df80300d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x6443df80300d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x6443df80300d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x6443df80300d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x6443df7dc554 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x6443df7dc554 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x6443df7dfdaa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   35:     0x6443df7dfdaa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x6443df7dfdaa - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x6443df7dfdaa - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x6443df7dfdaa - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x6443df7dfdaa - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   40:     0x6443df7dfdaa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x6443df82958f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   42:     0x6443df82958f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   43:     0x76db4efdeaa4 - <unknown>
[INFO] [stdout]   44:     0x76db4f06ba64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     expect_empty_result_async
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin asynced`
[INFO] running `Command { std: "docker" "inspect" "256f9bc19c61fe6a2e59e8b161ddc2f50f8f7ca7e0299c5c23ec79f85a0c68fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256f9bc19c61fe6a2e59e8b161ddc2f50f8f7ca7e0299c5c23ec79f85a0c68fd", kill_on_drop: false }`
[INFO] [stdout] 256f9bc19c61fe6a2e59e8b161ddc2f50f8f7ca7e0299c5c23ec79f85a0c68fd
