[INFO] fetching crate kepler-ra 0.4.7...
[INFO] checking kepler-ra-0.4.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kepler-ra 0.4.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kepler-ra 0.4.7 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 kepler-ra 0.4.7
[INFO] finished tweaking crates.io crate kepler-ra 0.4.7
[INFO] tweaked toml for crates.io crate kepler-ra 0.4.7 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 50 packages
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding console_log v0.2.2 (latest: v1.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded do-notation v0.1.3
[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] 3f3fb8cecc95c52a6367e738a7cdb07a30e2759bcff7c9d91144d8ac94ba8fe4
[INFO] running `Command { std: "docker" "start" "-a" "3f3fb8cecc95c52a6367e738a7cdb07a30e2759bcff7c9d91144d8ac94ba8fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3fb8cecc95c52a6367e738a7cdb07a30e2759bcff7c9d91144d8ac94ba8fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3fb8cecc95c52a6367e738a7cdb07a30e2759bcff7c9d91144d8ac94ba8fe4", kill_on_drop: false }`
[INFO] [stdout] 3f3fb8cecc95c52a6367e738a7cdb07a30e2759bcff7c9d91144d8ac94ba8fe4
[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] 2040155ce43fb66a64b01640e4fe84837e4c7c9ab382e28121cf24b7c686652f
[INFO] running `Command { std: "docker" "start" "-a" "2040155ce43fb66a64b01640e4fe84837e4c7c9ab382e28121cf24b7c686652f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking do-notation v0.1.3
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.42
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking nalgebra v0.32.5
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.42
[INFO] [stderr]     Checking console_log v0.2.2
[INFO] [stderr]     Checking kepler-ra v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let W = (xmax - xmin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let H = (ymax - ymin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let W = (xmax - xmin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let H = (ymax - ymin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.88s
[INFO] running `Command { std: "docker" "inspect" "2040155ce43fb66a64b01640e4fe84837e4c7c9ab382e28121cf24b7c686652f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2040155ce43fb66a64b01640e4fe84837e4c7c9ab382e28121cf24b7c686652f", kill_on_drop: false }`
[INFO] [stdout] 2040155ce43fb66a64b01640e4fe84837e4c7c9ab382e28121cf24b7c686652f
[INFO] checking kepler-ra-0.4.7 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate kepler-ra 0.4.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate kepler-ra 0.4.7 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 kepler-ra 0.4.7
[INFO] finished tweaking crates.io crate kepler-ra 0.4.7
[INFO] tweaked toml for crates.io crate kepler-ra 0.4.7 written to /workspace/builds/worker-4-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] [stderr]     Blocking waiting for file lock on package cache
[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] df1ef1a64e96819fa3e200a3aeee3239a135ab68c5b8a37e590d5cc9bbf5f642
[INFO] running `Command { std: "docker" "start" "-a" "df1ef1a64e96819fa3e200a3aeee3239a135ab68c5b8a37e590d5cc9bbf5f642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df1ef1a64e96819fa3e200a3aeee3239a135ab68c5b8a37e590d5cc9bbf5f642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1ef1a64e96819fa3e200a3aeee3239a135ab68c5b8a37e590d5cc9bbf5f642", kill_on_drop: false }`
[INFO] [stdout] df1ef1a64e96819fa3e200a3aeee3239a135ab68c5b8a37e590d5cc9bbf5f642
[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] e367e95fe397df82d84b7eeaa6cbcb6e7581b9d2d5059fa5b42e073f9a001861
[INFO] running `Command { std: "docker" "start" "-a" "e367e95fe397df82d84b7eeaa6cbcb6e7581b9d2d5059fa5b42e073f9a001861", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking do-notation v0.1.3
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.42
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking nalgebra v0.32.5
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.42
[INFO] [stderr]     Checking console_log v0.2.2
[INFO] [stderr]     Checking kepler-ra v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let W = (xmax - xmin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let H = (ymax - ymin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `W` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let W = (xmax - xmin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case (notice the capitalization): `w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/techtron/graphic/contour.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let H = (ymax - ymin + 1.).max(50.) as usize;
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.31s
[INFO] running `Command { std: "docker" "inspect" "e367e95fe397df82d84b7eeaa6cbcb6e7581b9d2d5059fa5b42e073f9a001861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e367e95fe397df82d84b7eeaa6cbcb6e7581b9d2d5059fa5b42e073f9a001861", kill_on_drop: false }`
[INFO] [stdout] e367e95fe397df82d84b7eeaa6cbcb6e7581b9d2d5059fa5b42e073f9a001861