[INFO] fetching crate runnt 0.7.0...
[INFO] checking runnt-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate runnt 0.7.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate runnt 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 runnt 0.7.0
[INFO] finished tweaking crates.io crate runnt 0.7.0
[INFO] tweaked toml for crates.io crate runnt 0.7.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate runnt 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
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[INFO] [stderr]   Downloaded itoa v1.0.5
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded rustix v0.37.6
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded rayon-core v1.10.2
[INFO] [stderr]   Downloaded rayon v1.6.1
[INFO] [stderr]   Downloaded serde_json v1.0.92
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded ryu v1.0.12
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 18be41ea1b3a0dff314a3e610e53e8d65a9fa07013f4ddfdf9fc77402346125b
[INFO] running `Command { std: "docker" "start" "-a" "18be41ea1b3a0dff314a3e610e53e8d65a9fa07013f4ddfdf9fc77402346125b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18be41ea1b3a0dff314a3e610e53e8d65a9fa07013f4ddfdf9fc77402346125b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18be41ea1b3a0dff314a3e610e53e8d65a9fa07013f4ddfdf9fc77402346125b", kill_on_drop: false }`
[INFO] [stdout] 18be41ea1b3a0dff314a3e610e53e8d65a9fa07013f4ddfdf9fc77402346125b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b9ca63c538e63edf5a6a089a29cf2d7f418fe8ebff46c0b76e347334c8561484
[INFO] running `Command { std: "docker" "start" "-a" "b9ca63c538e63edf5a6a089a29cf2d7f418fe8ebff46c0b76e347334c8561484", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking runnt v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Array` is imported redundantly
[INFO] [stdout]  --> src/nn.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Array` is already imported here
[INFO] [stdout] 7 | use ndarray::Array;
[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] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `Array` is imported redundantly
[INFO] [stdout]  --> src/nn.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Array` is already imported here
[INFO] [stdout] 7 | use ndarray::Array;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.63s
[INFO] running `Command { std: "docker" "inspect" "b9ca63c538e63edf5a6a089a29cf2d7f418fe8ebff46c0b76e347334c8561484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ca63c538e63edf5a6a089a29cf2d7f418fe8ebff46c0b76e347334c8561484", kill_on_drop: false }`
[INFO] [stdout] b9ca63c538e63edf5a6a089a29cf2d7f418fe8ebff46c0b76e347334c8561484
[INFO] checking runnt-0.7.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate runnt 0.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate runnt 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 runnt 0.7.0
[INFO] finished tweaking crates.io crate runnt 0.7.0
[INFO] tweaked toml for crates.io crate runnt 0.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate runnt 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d63217e535839bfab01ad5c65d1cdc330d4645fe4d4d5e8560800e3cf6ecf4a0
[INFO] running `Command { std: "docker" "start" "-a" "d63217e535839bfab01ad5c65d1cdc330d4645fe4d4d5e8560800e3cf6ecf4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63217e535839bfab01ad5c65d1cdc330d4645fe4d4d5e8560800e3cf6ecf4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63217e535839bfab01ad5c65d1cdc330d4645fe4d4d5e8560800e3cf6ecf4a0", kill_on_drop: false }`
[INFO] [stdout] d63217e535839bfab01ad5c65d1cdc330d4645fe4d4d5e8560800e3cf6ecf4a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9542860bd00ada22e10f2fc678fb8fc5009a976c08b452f777a579d93c8f5fc5
[INFO] running `Command { std: "docker" "start" "-a" "9542860bd00ada22e10f2fc678fb8fc5009a976c08b452f777a579d93c8f5fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Checking runnt v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Array` is imported redundantly
[INFO] [stdout]  --> src/nn.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Array` is already imported here
[INFO] [stdout] 7 | use ndarray::Array;
[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] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `Array` is imported redundantly
[INFO] [stdout]  --> src/nn.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray::prelude::*;
[INFO] [stdout]   |     ------------------- the item `Array` is already imported here
[INFO] [stdout] 7 | use ndarray::Array;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.11s
[INFO] running `Command { std: "docker" "inspect" "9542860bd00ada22e10f2fc678fb8fc5009a976c08b452f777a579d93c8f5fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9542860bd00ada22e10f2fc678fb8fc5009a976c08b452f777a579d93c8f5fc5", kill_on_drop: false }`
[INFO] [stdout] 9542860bd00ada22e10f2fc678fb8fc5009a976c08b452f777a579d93c8f5fc5