[INFO] cloning repository https://github.com/Charles-Schleich/stream_command_output_example.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Charles-Schleich/stream_command_output_example.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharles-Schleich%2Fstream_command_output_example.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharles-Schleich%2Fstream_command_output_example.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57e339463fa6fb6b91f749ab8b3d283a39225d09
[INFO] checking Charles-Schleich/stream_command_output_example.rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharles-Schleich%2Fstream_command_output_example.rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Charles-Schleich/stream_command_output_example.rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Charles-Schleich/stream_command_output_example.rs
[INFO] finished tweaking git repo https://github.com/Charles-Schleich/stream_command_output_example.rs
[INFO] tweaked toml for git repo https://github.com/Charles-Schleich/stream_command_output_example.rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Charles-Schleich/stream_command_output_example.rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763858b0e9ace6b558dd236a8dbc651f19a7370300433b4fde26fbfd91c64a3e
[INFO] running `Command { std: "docker" "start" "-a" "763858b0e9ace6b558dd236a8dbc651f19a7370300433b4fde26fbfd91c64a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763858b0e9ace6b558dd236a8dbc651f19a7370300433b4fde26fbfd91c64a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763858b0e9ace6b558dd236a8dbc651f19a7370300433b4fde26fbfd91c64a3e", kill_on_drop: false }`
[INFO] [stdout] 763858b0e9ace6b558dd236a8dbc651f19a7370300433b4fde26fbfd91c64a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed9201875506f44ccf434b0485c34fc02a2a905ec9e95fa839b73a258df3cd4a
[INFO] running `Command { std: "docker" "start" "-a" "ed9201875506f44ccf434b0485c34fc02a2a905ec9e95fa839b73a258df3cd4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking stream_command_output v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `Read`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{Read, BufReader},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     process::{Command, Stdio, Child}, sync::{Arc, Mutex},
[INFO] [stdout]   |                                              ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::sync::mpsc::{self, UnboundedSender};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, `Read`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{Read, BufReader},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     process::{Command, Stdio, Child}, sync::{Arc, Mutex},
[INFO] [stdout]   |                                              ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::sync::mpsc::{self, UnboundedSender};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jh`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let jh= tokio::task::spawn(async move {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_jh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jh`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let jh= tokio::task::spawn(async move {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_jh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "ed9201875506f44ccf434b0485c34fc02a2a905ec9e95fa839b73a258df3cd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9201875506f44ccf434b0485c34fc02a2a905ec9e95fa839b73a258df3cd4a", kill_on_drop: false }`
[INFO] [stdout] ed9201875506f44ccf434b0485c34fc02a2a905ec9e95fa839b73a258df3cd4a