[INFO] cloning repository https://github.com/cosmicexplorer/async-io-adapters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosmicexplorer/async-io-adapters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmicexplorer%2Fasync-io-adapters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmicexplorer%2Fasync-io-adapters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8de7bc4824d6b096a792e613d963d3ad3dd85e33
[INFO] checking cosmicexplorer/async-io-adapters against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmicexplorer%2Fasync-io-adapters" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cosmicexplorer/async-io-adapters 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/cosmicexplorer/async-io-adapters
[INFO] finished tweaking git repo https://github.com/cosmicexplorer/async-io-adapters
[INFO] tweaked toml for git repo https://github.com/cosmicexplorer/async-io-adapters written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cosmicexplorer/async-io-adapters 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trait-set v0.3.0
[INFO] [stderr]   Downloaded async-global-executor v2.3.1
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded blanket v0.3.0
[INFO] [stderr]   Downloaded async-executor v1.5.1
[INFO] [stderr]   Downloaded async_executors v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 44721b32ef9913ae3ddb41e2b8b4fbae0253255e7c51f66d42aa33380bd3de69
[INFO] running `Command { std: "docker" "start" "-a" "44721b32ef9913ae3ddb41e2b8b4fbae0253255e7c51f66d42aa33380bd3de69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44721b32ef9913ae3ddb41e2b8b4fbae0253255e7c51f66d42aa33380bd3de69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44721b32ef9913ae3ddb41e2b8b4fbae0253255e7c51f66d42aa33380bd3de69", kill_on_drop: false }`
[INFO] [stdout] 44721b32ef9913ae3ddb41e2b8b4fbae0253255e7c51f66d42aa33380bd3de69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 52601c6e6fccd1eebe3ace68223805bb55d5e61620b272d0c10dd65804bebeb0
[INFO] running `Command { std: "docker" "start" "-a" "52601c6e6fccd1eebe3ace68223805bb55d5e61620b272d0c10dd65804bebeb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling async_executors v0.7.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking oneshot v0.1.6
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]    Compiling trait-set v0.3.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling blanket v0.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling num_enum_derive v0.7.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Checking num_enum v0.7.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking async-io-adapters v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/sync_io.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 211 |       panic!("ok");
[INFO] [stdout]     |       ------------ any code following this expression is unreachable
[INFO] [stdout] 212 |       debug_assert!(!read_data.is_empty());
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `debug_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/sync_io.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 211 |       panic!("ok");
[INFO] [stdout]     |       ------------ any code following this expression is unreachable
[INFO] [stdout] 212 |       debug_assert!(!read_data.is_empty());
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `debug_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.80s
[INFO] running `Command { std: "docker" "inspect" "52601c6e6fccd1eebe3ace68223805bb55d5e61620b272d0c10dd65804bebeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52601c6e6fccd1eebe3ace68223805bb55d5e61620b272d0c10dd65804bebeb0", kill_on_drop: false }`
[INFO] [stdout] 52601c6e6fccd1eebe3ace68223805bb55d5e61620b272d0c10dd65804bebeb0
[INFO] checking cosmicexplorer/async-io-adapters against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmicexplorer%2Fasync-io-adapters" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cosmicexplorer/async-io-adapters on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cosmicexplorer/async-io-adapters
[INFO] finished tweaking git repo https://github.com/cosmicexplorer/async-io-adapters
[INFO] tweaked toml for git repo https://github.com/cosmicexplorer/async-io-adapters written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cosmicexplorer/async-io-adapters 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06420bb2a3ed0f5aa36d5d129b824eb430da141053d479d170ccf3954b39d820
[INFO] running `Command { std: "docker" "start" "-a" "06420bb2a3ed0f5aa36d5d129b824eb430da141053d479d170ccf3954b39d820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06420bb2a3ed0f5aa36d5d129b824eb430da141053d479d170ccf3954b39d820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06420bb2a3ed0f5aa36d5d129b824eb430da141053d479d170ccf3954b39d820", kill_on_drop: false }`
[INFO] [stdout] 06420bb2a3ed0f5aa36d5d129b824eb430da141053d479d170ccf3954b39d820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e979db77db7085ac6f2a6d5be28b8095be3b63b11ce1540475512cb585ce7796
[INFO] running `Command { std: "docker" "start" "-a" "e979db77db7085ac6f2a6d5be28b8095be3b63b11ce1540475512cb585ce7796", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling async_executors v0.7.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking oneshot v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]    Compiling trait-set v0.3.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling blanket v0.3.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Checking num_enum v0.7.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking async-io-adapters v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/sync_io.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 211 |       panic!("ok");
[INFO] [stdout]     |       ------------ any code following this expression is unreachable
[INFO] [stdout] 212 |       debug_assert!(!read_data.is_empty());
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `debug_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/sync_io.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 211 |       panic!("ok");
[INFO] [stdout]     |       ------------ any code following this expression is unreachable
[INFO] [stdout] 212 |       debug_assert!(!read_data.is_empty());
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `debug_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.01s
[INFO] running `Command { std: "docker" "inspect" "e979db77db7085ac6f2a6d5be28b8095be3b63b11ce1540475512cb585ce7796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e979db77db7085ac6f2a6d5be28b8095be3b63b11ce1540475512cb585ce7796", kill_on_drop: false }`
[INFO] [stdout] e979db77db7085ac6f2a6d5be28b8095be3b63b11ce1540475512cb585ce7796