[INFO] fetching crate tetromino 0.1.2...
[INFO] checking tetromino-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tetromino 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tetromino 0.1.2 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 tetromino 0.1.2
[INFO] finished tweaking crates.io crate tetromino 0.1.2
[INFO] tweaked toml for crates.io crate tetromino 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tetromino 0.1.2 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 core-graphics-types v0.1.2
[INFO] [stderr]   Downloaded cursor-icon v1.0.0
[INFO] [stderr]   Downloaded xkbcommon-dl v0.4.1
[INFO] [stderr]   Downloaded web-time v0.2.2
[INFO] [stderr]   Downloaded grev v0.1.3
[INFO] [stderr]   Downloaded slotmap v1.0.6
[INFO] [stderr]   Downloaded libloading v0.8.1
[INFO] [stderr]   Downloaded xml-rs v0.8.19
[INFO] [stderr]   Downloaded winit v0.29.0-beta.0
[INFO] [stderr]   Downloaded orbclient v0.3.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6139f8bcdc075bf9a4a7139db11dcb6c767195a8b6d93536f8659a5b5079cb12
[INFO] running `Command { std: "docker" "start" "-a" "6139f8bcdc075bf9a4a7139db11dcb6c767195a8b6d93536f8659a5b5079cb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6139f8bcdc075bf9a4a7139db11dcb6c767195a8b6d93536f8659a5b5079cb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6139f8bcdc075bf9a4a7139db11dcb6c767195a8b6d93536f8659a5b5079cb12", kill_on_drop: false }`
[INFO] [stdout] 6139f8bcdc075bf9a4a7139db11dcb6c767195a8b6d93536f8659a5b5079cb12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3df84f10c72fc5f8f06bd06f9677cd135114fc0f0a3d0e265f2bc40c8969558a
[INFO] running `Command { std: "docker" "start" "-a" "3df84f10c72fc5f8f06bd06f9677cd135114fc0f0a3d0e265f2bc40c8969558a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]    Compiling winit v0.29.0-beta.0
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking cursor-icon v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking smol_str v0.2.0
[INFO] [stderr]    Compiling grev v0.1.3
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling tetromino v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking xkbcommon-dl v0.4.1
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr] warning: tetromino@0.1.2: Not in a git repository; unable to embed git revision
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stdout] warning: the item `from_fn` is imported redundantly
[INFO] [stdout]    --> src/game/ai/search.rs:283:7
[INFO] [stdout]     |
[INFO] [stdout] 278 |   use super::*;
[INFO] [stdout]     |       -------- the item `from_fn` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 283 |   use std::iter::from_fn;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/opengl/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/opengl/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.70s
[INFO] running `Command { std: "docker" "inspect" "3df84f10c72fc5f8f06bd06f9677cd135114fc0f0a3d0e265f2bc40c8969558a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df84f10c72fc5f8f06bd06f9677cd135114fc0f0a3d0e265f2bc40c8969558a", kill_on_drop: false }`
[INFO] [stdout] 3df84f10c72fc5f8f06bd06f9677cd135114fc0f0a3d0e265f2bc40c8969558a
[INFO] checking tetromino-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tetromino 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tetromino 0.1.2 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 tetromino 0.1.2
[INFO] finished tweaking crates.io crate tetromino 0.1.2
[INFO] tweaked toml for crates.io crate tetromino 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate tetromino 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa41fdbac2df4ae33eda21e33a1e367ef379cd0f3a5590bdf03e61c705c534a9
[INFO] running `Command { std: "docker" "start" "-a" "aa41fdbac2df4ae33eda21e33a1e367ef379cd0f3a5590bdf03e61c705c534a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa41fdbac2df4ae33eda21e33a1e367ef379cd0f3a5590bdf03e61c705c534a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa41fdbac2df4ae33eda21e33a1e367ef379cd0f3a5590bdf03e61c705c534a9", kill_on_drop: false }`
[INFO] [stdout] aa41fdbac2df4ae33eda21e33a1e367ef379cd0f3a5590bdf03e61c705c534a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8d8a7318ced044f94032ec81b692b3d2af09904d0bdcc7a8b57be61218805a4d
[INFO] running `Command { std: "docker" "start" "-a" "8d8a7318ced044f94032ec81b692b3d2af09904d0bdcc7a8b57be61218805a4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]    Compiling winit v0.29.0-beta.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling grev v0.1.3
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling tetromino v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking smol_str v0.2.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking cursor-icon v1.0.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr] warning: tetromino@0.1.2: Not in a git repository; unable to embed git revision
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]     Checking xkbcommon-dl v0.4.1
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/opengl/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `from_fn` is imported redundantly
[INFO] [stdout]    --> src/game/ai/search.rs:283:7
[INFO] [stdout]     |
[INFO] [stdout] 278 |   use super::*;
[INFO] [stdout]     |       -------- the item `from_fn` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 283 |   use std::iter::from_fn;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/opengl/bindings.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |             pub use std::mem;
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.98s
[INFO] running `Command { std: "docker" "inspect" "8d8a7318ced044f94032ec81b692b3d2af09904d0bdcc7a8b57be61218805a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8a7318ced044f94032ec81b692b3d2af09904d0bdcc7a8b57be61218805a4d", kill_on_drop: false }`
[INFO] [stdout] 8d8a7318ced044f94032ec81b692b3d2af09904d0bdcc7a8b57be61218805a4d