[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 master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[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 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a180c1e6633d1c30f2d2dde288b9cb9d093b6300fc51c19a0aed12314a29571f
[INFO] running `Command { std: "docker" "start" "-a" "a180c1e6633d1c30f2d2dde288b9cb9d093b6300fc51c19a0aed12314a29571f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a180c1e6633d1c30f2d2dde288b9cb9d093b6300fc51c19a0aed12314a29571f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a180c1e6633d1c30f2d2dde288b9cb9d093b6300fc51c19a0aed12314a29571f", kill_on_drop: false }`
[INFO] [stdout] a180c1e6633d1c30f2d2dde288b9cb9d093b6300fc51c19a0aed12314a29571f
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2b45856e550b8939014f72e26dcacc7c5ba5fd3c3b186956db5e8356b309d9a
[INFO] running `Command { std: "docker" "start" "-a" "a2b45856e550b8939014f72e26dcacc7c5ba5fd3c3b186956db5e8356b309d9a", 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 cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tokio-stdin v0.1.1
[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)]` 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/asynced.rs:19:13
[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: 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)]` on by default
[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)]` 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 1m 16s
[INFO] running `Command { std: "docker" "inspect" "a2b45856e550b8939014f72e26dcacc7c5ba5fd3c3b186956db5e8356b309d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b45856e550b8939014f72e26dcacc7c5ba5fd3c3b186956db5e8356b309d9a", kill_on_drop: false }`
[INFO] [stdout] a2b45856e550b8939014f72e26dcacc7c5ba5fd3c3b186956db5e8356b309d9a
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e61d0b2c58aedfe80a665c7be7ce3982f2158b42f51f70848137c26f779c0403
[INFO] running `Command { std: "docker" "start" "-a" "e61d0b2c58aedfe80a665c7be7ce3982f2158b42f51f70848137c26f779c0403", 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)]` 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` 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: 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)]` 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] [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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/bin/asynced.rs:19:13
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "e61d0b2c58aedfe80a665c7be7ce3982f2158b42f51f70848137c26f779c0403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e61d0b2c58aedfe80a665c7be7ce3982f2158b42f51f70848137c26f779c0403", kill_on_drop: false }`
[INFO] [stdout] e61d0b2c58aedfe80a665c7be7ce3982f2158b42f51f70848137c26f779c0403
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 043805098b5737de05ecf97c7ca7d02517fb338e350b91d066b5b12b20ffd650
[INFO] running `Command { std: "docker" "start" "-a" "043805098b5737de05ecf97c7ca7d02517fb338e350b91d066b5b12b20ffd650", 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)]` 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/bin/asynced.rs:19:13
[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: 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)]` on by default
[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)]` 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" --tests` to apply 3 suggestions)
[INFO] [stderr] warning: `stdin` (bin "s" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/asynced.rs (/opt/rustwide/target/debug/deps/asynced-9c69847d2c0c2470)
[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' panicked at src/bin/asynced.rs:31:5:
[INFO] [stdout] assertion failed: case.is_err()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5dc7f7adecd2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5dc7f7adecd2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5dc7f7adecd2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5dc7f7adecd2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5dc7f7b03f83 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5dc7f7b03f83 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5dc7f7adbb53 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5dc7f7adbb53 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5dc7f7adeb22 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5dc7f7ae024c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5dc7f7ae00a2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5dc7f7aa6a74 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5dc7f7aa6a74 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5dc7f7ae0d2b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5dc7f7ae0d2b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5dc7f7ae09c6 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5dc7f7adf1c9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5dc7f7ae068d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5dc7f7b02b00 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5dc7f7b02b6c - core::panicking::panic::hd2a569f4f37f7e10
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5dc7f7a689ab - asynced::expect_empty_result_async::hd50fd923df782518
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/asynced.rs:31:5
[INFO] [stdout]   21:     0x5dc7f7a689ab - asynced::expect_empty_result_async::{{closure}}::h2422a2b1b031ef87
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/asynced.rs:28:31
[INFO] [stdout]   22:     0x5dc7f7a689ab - core::ops::function::FnOnce::call_once::h8821630eaf37da1d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5dc7f7aac1ab - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5dc7f7aac1ab - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x5dc7f7aab3ee - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x5dc7f7aab3ee - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5dc7f7aab3ee - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5dc7f7aab3ee - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5dc7f7aab3ee - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5dc7f7aab3ee - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x5dc7f7aab3ee - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x5dc7f7a6ef94 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x5dc7f7a6ef94 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x5dc7f7a7293a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5dc7f7a7293a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5dc7f7a7293a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x5dc7f7a7293a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x5dc7f7a7293a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5dc7f7a7293a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5dc7f7a7293a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5dc7f7ae3c87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5dc7f7ae3c87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5dc7f7ae3c87 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   44:     0x75a272f39aa4 - <unknown>
[INFO] [stdout]   45:     0x75a272fc6a34 - clone
[INFO] [stdout]   46:                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" "043805098b5737de05ecf97c7ca7d02517fb338e350b91d066b5b12b20ffd650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043805098b5737de05ecf97c7ca7d02517fb338e350b91d066b5b12b20ffd650", kill_on_drop: false }`
[INFO] [stdout] 043805098b5737de05ecf97c7ca7d02517fb338e350b91d066b5b12b20ffd650
