[INFO] cloning repository https://github.com/Commathingy/InteractingParticleSystems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Commathingy/InteractingParticleSystems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCommathingy%2FInteractingParticleSystems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCommathingy%2FInteractingParticleSystems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa8133d338ca083dc62dbca8e718ea9f2166e678
[INFO] checking Commathingy/InteractingParticleSystems against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCommathingy%2FInteractingParticleSystems" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Commathingy/InteractingParticleSystems on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Commathingy/InteractingParticleSystems
[INFO] finished tweaking git repo https://github.com/Commathingy/InteractingParticleSystems
[INFO] tweaked toml for git repo https://github.com/Commathingy/InteractingParticleSystems written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Commathingy/InteractingParticleSystems 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minifb v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7abc16a053e91b1aa9cc2fe0b1e7d7a7da95738076cd3bf45e9e18c464fec54
[INFO] running `Command { std: "docker" "start" "-a" "d7abc16a053e91b1aa9cc2fe0b1e7d7a7da95738076cd3bf45e9e18c464fec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7abc16a053e91b1aa9cc2fe0b1e7d7a7da95738076cd3bf45e9e18c464fec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7abc16a053e91b1aa9cc2fe0b1e7d7a7da95738076cd3bf45e9e18c464fec54", kill_on_drop: false }`
[INFO] [stdout] d7abc16a053e91b1aa9cc2fe0b1e7d7a7da95738076cd3bf45e9e18c464fec54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05056950c1b27cbe3dd0f87df4e2da3ac6a2f148f7340e4045541079d18cc289
[INFO] running `Command { std: "docker" "start" "-a" "05056950c1b27cbe3dd0f87df4e2da3ac6a2f148f7340e4045541079d18cc289", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling xml-rs v0.8.18
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling minifb v0.25.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking ips v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.75s
[INFO] running `Command { std: "docker" "inspect" "05056950c1b27cbe3dd0f87df4e2da3ac6a2f148f7340e4045541079d18cc289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05056950c1b27cbe3dd0f87df4e2da3ac6a2f148f7340e4045541079d18cc289", kill_on_drop: false }`
[INFO] [stdout] 05056950c1b27cbe3dd0f87df4e2da3ac6a2f148f7340e4045541079d18cc289
[INFO] checking Commathingy/InteractingParticleSystems against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCommathingy%2FInteractingParticleSystems" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Commathingy/InteractingParticleSystems on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Commathingy/InteractingParticleSystems
[INFO] finished tweaking git repo https://github.com/Commathingy/InteractingParticleSystems
[INFO] tweaked toml for git repo https://github.com/Commathingy/InteractingParticleSystems written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Commathingy/InteractingParticleSystems 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e68ef797a1a5dbc6a450e30d36d7d92e7fa7f440127811c978b52c6008c8b69
[INFO] running `Command { std: "docker" "start" "-a" "5e68ef797a1a5dbc6a450e30d36d7d92e7fa7f440127811c978b52c6008c8b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e68ef797a1a5dbc6a450e30d36d7d92e7fa7f440127811c978b52c6008c8b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e68ef797a1a5dbc6a450e30d36d7d92e7fa7f440127811c978b52c6008c8b69", kill_on_drop: false }`
[INFO] [stdout] 5e68ef797a1a5dbc6a450e30d36d7d92e7fa7f440127811c978b52c6008c8b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9d45d37d29f651ef304d034e6ab5d4686091e5001e1853a661a27043a20efe
[INFO] running `Command { std: "docker" "start" "-a" "7f9d45d37d29f651ef304d034e6ab5d4686091e5001e1853a661a27043a20efe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling xml-rs v0.8.18
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking libm v0.2.7
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling minifb v0.25.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking ips v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                     match self.at_position(current_position).unwrap().get(discrete_starting_time-1){
[INFO] [stdout] 60 | |                         Some(u) => return *u,
[INFO] [stdout] 61 | |                         None => return None
[INFO] [stdout] 62 | |                     };
[INFO] [stdout]    | |_____________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 | /                     match self.at_position(current_position).unwrap().get(discrete_starting_time-1){
[INFO] [stdout] 60 | |                         Some(u) => return *u,
[INFO] [stdout] 61 | |                         None => return None
[INFO] [stdout] 62 | |                     };
[INFO] [stdout]    | |_____________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ips` (bin "ips" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ips` (bin "ips") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7f9d45d37d29f651ef304d034e6ab5d4686091e5001e1853a661a27043a20efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9d45d37d29f651ef304d034e6ab5d4686091e5001e1853a661a27043a20efe", kill_on_drop: false }`
[INFO] [stdout] 7f9d45d37d29f651ef304d034e6ab5d4686091e5001e1853a661a27043a20efe