[INFO] cloning repository https://github.com/topdeoo/NuPDS-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/topdeoo/NuPDS-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopdeoo%2FNuPDS-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopdeoo%2FNuPDS-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4e88c3c9df71d9ea022f42a2dce1e6b5cd24b65
[INFO] checking topdeoo/NuPDS-Rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopdeoo%2FNuPDS-Rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/topdeoo/NuPDS-Rust 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 git repo https://github.com/topdeoo/NuPDS-Rust
[INFO] finished tweaking git repo https://github.com/topdeoo/NuPDS-Rust
[INFO] tweaked toml for git repo https://github.com/topdeoo/NuPDS-Rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/topdeoo/NuPDS-Rust 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 atomic_float v0.1.0
[INFO] [stderr]   Downloaded delegate v0.8.0
[INFO] [stderr]   Downloaded graph_builder v0.4.0
[INFO] [stderr]   Downloaded graph v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c9d719313c60fa3129a3ca2bb3a325b40e6648bf734862df8c70391fda113030
[INFO] running `Command { std: "docker" "start" "-a" "c9d719313c60fa3129a3ca2bb3a325b40e6648bf734862df8c70391fda113030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d719313c60fa3129a3ca2bb3a325b40e6648bf734862df8c70391fda113030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d719313c60fa3129a3ca2bb3a325b40e6648bf734862df8c70391fda113030", kill_on_drop: false }`
[INFO] [stdout] c9d719313c60fa3129a3ca2bb3a325b40e6648bf734862df8c70391fda113030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c5d96c0cea42052551e7e5c9f02bde2ebbb72500fee23036556296430610d55d
[INFO] running `Command { std: "docker" "start" "-a" "c5d96c0cea42052551e7e5c9f02bde2ebbb72500fee23036556296430610d55d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[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 rayon-core v1.12.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling graph_builder v0.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking linereader v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking atomic_float v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling delegate v0.8.0
[INFO] [stderr]     Checking graph v0.3.1
[INFO] [stderr]     Checking NuPDS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `graph` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     self,
[INFO] [stdout]   |     ^^^^ the item `graph` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let graph: UndirectedCsrGraph<usize> = GraphBuilder::new()
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graph` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     self,
[INFO] [stdout]   |     ^^^^ the item `graph` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let graph: UndirectedCsrGraph<usize> = GraphBuilder::new()
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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 10.09s
[INFO] running `Command { std: "docker" "inspect" "c5d96c0cea42052551e7e5c9f02bde2ebbb72500fee23036556296430610d55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d96c0cea42052551e7e5c9f02bde2ebbb72500fee23036556296430610d55d", kill_on_drop: false }`
[INFO] [stdout] c5d96c0cea42052551e7e5c9f02bde2ebbb72500fee23036556296430610d55d
[INFO] checking topdeoo/NuPDS-Rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftopdeoo%2FNuPDS-Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/topdeoo/NuPDS-Rust 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 git repo https://github.com/topdeoo/NuPDS-Rust
[INFO] finished tweaking git repo https://github.com/topdeoo/NuPDS-Rust
[INFO] tweaked toml for git repo https://github.com/topdeoo/NuPDS-Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/topdeoo/NuPDS-Rust 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 57e49103f3a7f06ed0e1f0534e5dc7ad50b13c939f66c11c4fa0a40ca20b8177
[INFO] running `Command { std: "docker" "start" "-a" "57e49103f3a7f06ed0e1f0534e5dc7ad50b13c939f66c11c4fa0a40ca20b8177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e49103f3a7f06ed0e1f0534e5dc7ad50b13c939f66c11c4fa0a40ca20b8177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e49103f3a7f06ed0e1f0534e5dc7ad50b13c939f66c11c4fa0a40ca20b8177", kill_on_drop: false }`
[INFO] [stdout] 57e49103f3a7f06ed0e1f0534e5dc7ad50b13c939f66c11c4fa0a40ca20b8177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0a226bcbc959917a986dd3bef291079b571b6af3b8fe52f92635464c83c7ad33
[INFO] running `Command { std: "docker" "start" "-a" "0a226bcbc959917a986dd3bef291079b571b6af3b8fe52f92635464c83c7ad33", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling graph_builder v0.4.0
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking linereader v0.4.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking atomic_float v0.1.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling delegate v0.8.0
[INFO] [stderr]     Checking graph v0.3.1
[INFO] [stderr]     Checking NuPDS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `graph` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     self,
[INFO] [stdout]   |     ^^^^ the item `graph` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graph` is imported redundantly
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     self,
[INFO] [stdout]   |     ^^^^ the item `graph` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let graph: UndirectedCsrGraph<usize> = GraphBuilder::new()
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let graph: UndirectedCsrGraph<usize> = GraphBuilder::new()
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings 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 8.20s
[INFO] running `Command { std: "docker" "inspect" "0a226bcbc959917a986dd3bef291079b571b6af3b8fe52f92635464c83c7ad33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a226bcbc959917a986dd3bef291079b571b6af3b8fe52f92635464c83c7ad33", kill_on_drop: false }`
[INFO] [stdout] 0a226bcbc959917a986dd3bef291079b571b6af3b8fe52f92635464c83c7ad33