[INFO] cloning repository https://github.com/vitvakatu/async-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitvakatu/async-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fasync-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fasync-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de3bbb8a4dea9910f8c7b17f1b4f2ba842610eca
[INFO] checking vitvakatu/async-practice against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fasync-practice" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vitvakatu/async-practice
[INFO] finished tweaking git repo https://github.com/vitvakatu/async-practice
[INFO] tweaked toml for git repo https://github.com/vitvakatu/async-practice written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vitvakatu/async-practice on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vitvakatu/async-practice 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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e552f4fc469276535c12631cfc837d24558b73e859dbb97ffaff83f2dd2492c0
[INFO] running `Command { std: "docker" "start" "-a" "e552f4fc469276535c12631cfc837d24558b73e859dbb97ffaff83f2dd2492c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e552f4fc469276535c12631cfc837d24558b73e859dbb97ffaff83f2dd2492c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e552f4fc469276535c12631cfc837d24558b73e859dbb97ffaff83f2dd2492c0", kill_on_drop: false }`
[INFO] [stdout] e552f4fc469276535c12631cfc837d24558b73e859dbb97ffaff83f2dd2492c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5298d7b0ea1013909ec2d3be20140cd546ff6d8f9845d99f15e78e8aebead9
[INFO] running `Command { std: "docker" "start" "-a" "2f5298d7b0ea1013909ec2d3be20140cd546ff6d8f9845d99f15e78e8aebead9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling parking_lot_core v0.9.9
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[INFO] [stderr]    Compiling futures-task v0.3.29
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[INFO] [stderr]     Checking smallvec v1.11.2
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[INFO] [stderr]    Compiling syn v2.0.39
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[INFO] [stderr]    Compiling openssl-sys v0.9.96
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[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
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[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.34.0
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[INFO] [stderr]     Checking futures-executor v0.3.29
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[INFO] [stderr]     Checking async-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/minimalistic_executor.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn waiter(&mut self) -> Waiter {
[INFO] [stdout]    |               ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn waiter(&mut self) -> Waiter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/bin/minimalistic_executor.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn waiter(&mut self) -> Waiter {
[INFO] [stdout]    |               ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn waiter(&mut self) -> Waiter<'_> {
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.02s
[INFO] running `Command { std: "docker" "inspect" "2f5298d7b0ea1013909ec2d3be20140cd546ff6d8f9845d99f15e78e8aebead9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5298d7b0ea1013909ec2d3be20140cd546ff6d8f9845d99f15e78e8aebead9", kill_on_drop: false }`
[INFO] [stdout] 2f5298d7b0ea1013909ec2d3be20140cd546ff6d8f9845d99f15e78e8aebead9
