[INFO] fetching crate linfa-svm 0.7.0...
[INFO] checking linfa-svm-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate linfa-svm 0.7.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate linfa-svm 0.7.0 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 linfa-svm 0.7.0
[INFO] finished tweaking crates.io crate linfa-svm 0.7.0
[INFO] tweaked toml for crates.io crate linfa-svm 0.7.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate linfa-svm 0.7.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.49
[INFO] [stderr]   Downloaded linfa-kernel v0.7.0
[INFO] [stderr]   Downloaded num-complex v0.4.4
[INFO] [stderr]   Downloaded ndarray-csv v0.5.1
[INFO] [stderr]   Downloaded linfa-datasets v0.7.0
[INFO] [stderr]   Downloaded kdtree v0.6.0
[INFO] [stderr]   Downloaded linfa v0.7.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded sprs v0.11.1
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] [stderr]   Downloaded linfa-nn v0.7.0
[INFO] [stderr]   Downloaded thiserror v1.0.49
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[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] d7ca9dafaff25f93f39a58d6f279c7e6e636f1287b7dbfc59334a331a4ac3133
[INFO] running `Command { std: "docker" "start" "-a" "d7ca9dafaff25f93f39a58d6f279c7e6e636f1287b7dbfc59334a331a4ac3133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ca9dafaff25f93f39a58d6f279c7e6e636f1287b7dbfc59334a331a4ac3133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ca9dafaff25f93f39a58d6f279c7e6e636f1287b7dbfc59334a331a4ac3133", kill_on_drop: false }`
[INFO] [stdout] d7ca9dafaff25f93f39a58d6f279c7e6e636f1287b7dbfc59334a331a4ac3133
[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] 86f0aeee95782175c119ed4011283d96f334b4eb4ab338021bf75638394ed64b
[INFO] running `Command { std: "docker" "start" "-a" "86f0aeee95782175c119ed4011283d96f334b4eb4ab338021bf75638394ed64b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling linfa v0.7.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking sprs v0.11.1
[INFO] [stderr]     Checking ndarray-stats v0.5.1
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking ndarray-csv v0.5.1
[INFO] [stderr]     Checking linfa-nn v0.7.0
[INFO] [stderr]     Checking linfa-datasets v0.7.0
[INFO] [stderr]     Checking linfa-kernel v0.7.0
[INFO] [stderr]     Checking linfa-svm v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "86f0aeee95782175c119ed4011283d96f334b4eb4ab338021bf75638394ed64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f0aeee95782175c119ed4011283d96f334b4eb4ab338021bf75638394ed64b", kill_on_drop: false }`
[INFO] [stdout] 86f0aeee95782175c119ed4011283d96f334b4eb4ab338021bf75638394ed64b
[INFO] checking linfa-svm-0.7.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate linfa-svm 0.7.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate linfa-svm 0.7.0 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 linfa-svm 0.7.0
[INFO] finished tweaking crates.io crate linfa-svm 0.7.0
[INFO] tweaked toml for crates.io crate linfa-svm 0.7.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate linfa-svm 0.7.0 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-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] 4bc074d4881dbb6b31c132fa87a8b3fb729a3bccd89af7d7fbf1dec1bdbd1973
[INFO] running `Command { std: "docker" "start" "-a" "4bc074d4881dbb6b31c132fa87a8b3fb729a3bccd89af7d7fbf1dec1bdbd1973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc074d4881dbb6b31c132fa87a8b3fb729a3bccd89af7d7fbf1dec1bdbd1973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc074d4881dbb6b31c132fa87a8b3fb729a3bccd89af7d7fbf1dec1bdbd1973", kill_on_drop: false }`
[INFO] [stdout] 4bc074d4881dbb6b31c132fa87a8b3fb729a3bccd89af7d7fbf1dec1bdbd1973
[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] fa611d53b6f35039c55901ee35e701ece2b901cc6e76441bb9286d3e12825a9c
[INFO] running `Command { std: "docker" "start" "-a" "fa611d53b6f35039c55901ee35e701ece2b901cc6e76441bb9286d3e12825a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling linfa v0.7.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking order-stat v0.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking sprs v0.11.1
[INFO] [stderr]     Checking ndarray-stats v0.5.1
[INFO] [stderr]     Checking ndarray-csv v0.5.1
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking linfa-nn v0.7.0
[INFO] [stderr]     Checking linfa-datasets v0.7.0
[INFO] [stderr]     Checking linfa-kernel v0.7.0
[INFO] [stderr]     Checking linfa-svm v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.21s
[INFO] running `Command { std: "docker" "inspect" "fa611d53b6f35039c55901ee35e701ece2b901cc6e76441bb9286d3e12825a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa611d53b6f35039c55901ee35e701ece2b901cc6e76441bb9286d3e12825a9c", kill_on_drop: false }`
[INFO] [stdout] fa611d53b6f35039c55901ee35e701ece2b901cc6e76441bb9286d3e12825a9c