[INFO] fetching crate local-sync 0.1.1...
[INFO] checking local-sync-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate local-sync 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate local-sync 0.1.1 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 crates.io crate local-sync 0.1.1
[INFO] finished tweaking crates.io crate local-sync 0.1.1
[INFO] tweaked toml for crates.io crate local-sync 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding memoffset v0.7.1 (latest: v0.9.1)
[INFO] [stderr]       Adding monoio v0.1.9 (latest: v0.2.3)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded auto-const-array v0.2.1
[INFO] [stderr]   Downloaded io-uring v0.6.3
[INFO] [stderr]   Downloaded monoio-macros v0.1.0
[INFO] [stderr]   Downloaded monoio v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4438c43cfca4a2976b3f2bddab65d272afa1bcec085bc456a5a7083524fb492d
[INFO] running `Command { std: "docker" "start" "-a" "4438c43cfca4a2976b3f2bddab65d272afa1bcec085bc456a5a7083524fb492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4438c43cfca4a2976b3f2bddab65d272afa1bcec085bc456a5a7083524fb492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4438c43cfca4a2976b3f2bddab65d272afa1bcec085bc456a5a7083524fb492d", kill_on_drop: false }`
[INFO] [stdout] 4438c43cfca4a2976b3f2bddab65d272afa1bcec085bc456a5a7083524fb492d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8d32fc48886f668796ca63cd6f58afdf1a12fc7bed532aab092bb26b6bc7d238
[INFO] running `Command { std: "docker" "start" "-a" "8d32fc48886f668796ca63cd6f58afdf1a12fc7bed532aab092bb26b6bc7d238", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking local-sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/once_cell.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking monoio v0.1.9
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/once_cell.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "8d32fc48886f668796ca63cd6f58afdf1a12fc7bed532aab092bb26b6bc7d238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d32fc48886f668796ca63cd6f58afdf1a12fc7bed532aab092bb26b6bc7d238", kill_on_drop: false }`
[INFO] [stdout] 8d32fc48886f668796ca63cd6f58afdf1a12fc7bed532aab092bb26b6bc7d238
[INFO] checking local-sync-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate local-sync 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate local-sync 0.1.1 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 crates.io crate local-sync 0.1.1
[INFO] finished tweaking crates.io crate local-sync 0.1.1
[INFO] tweaked toml for crates.io crate local-sync 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed0f7f483ab2d2ac4808c84c280d0e5e125f0a9c2f4efa49a2f49d4c52bbca40
[INFO] running `Command { std: "docker" "start" "-a" "ed0f7f483ab2d2ac4808c84c280d0e5e125f0a9c2f4efa49a2f49d4c52bbca40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0f7f483ab2d2ac4808c84c280d0e5e125f0a9c2f4efa49a2f49d4c52bbca40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0f7f483ab2d2ac4808c84c280d0e5e125f0a9c2f4efa49a2f49d4c52bbca40", kill_on_drop: false }`
[INFO] [stdout] ed0f7f483ab2d2ac4808c84c280d0e5e125f0a9c2f4efa49a2f49d4c52bbca40
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6eb27e2cbd2f99ccb8e1dc7eaea926755c6088022164b38bdc9c3110eb97204
[INFO] running `Command { std: "docker" "start" "-a" "a6eb27e2cbd2f99ccb8e1dc7eaea926755c6088022164b38bdc9c3110eb97204", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking local-sync v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/once_cell.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking monoio v0.1.9
[INFO] [stdout] warning: the item `Drop` is imported redundantly
[INFO] [stdout]  --> src/once_cell.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::Drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Drop` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "a6eb27e2cbd2f99ccb8e1dc7eaea926755c6088022164b38bdc9c3110eb97204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6eb27e2cbd2f99ccb8e1dc7eaea926755c6088022164b38bdc9c3110eb97204", kill_on_drop: false }`
[INFO] [stdout] a6eb27e2cbd2f99ccb8e1dc7eaea926755c6088022164b38bdc9c3110eb97204