[INFO] cloning repository https://github.com/gursahib-badwal/rust-SAT-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gursahib-badwal/rust-SAT-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgursahib-badwal%2Frust-SAT-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgursahib-badwal%2Frust-SAT-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08fc7c6776d110a849917105df3f21391405589c
[INFO] checking gursahib-badwal/rust-SAT-solver against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgursahib-badwal%2Frust-SAT-solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gursahib-badwal/rust-SAT-solver 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/gursahib-badwal/rust-SAT-solver
[INFO] finished tweaking git repo https://github.com/gursahib-badwal/rust-SAT-solver
[INFO] tweaked toml for git repo https://github.com/gursahib-badwal/rust-SAT-solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gursahib-badwal/rust-SAT-solver 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3f94f7320c9869128c330cf2886846e86a5a26c1405666c267ba0a1bc655c395
[INFO] running `Command { std: "docker" "start" "-a" "3f94f7320c9869128c330cf2886846e86a5a26c1405666c267ba0a1bc655c395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f94f7320c9869128c330cf2886846e86a5a26c1405666c267ba0a1bc655c395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f94f7320c9869128c330cf2886846e86a5a26c1405666c267ba0a1bc655c395", kill_on_drop: false }`
[INFO] [stdout] 3f94f7320c9869128c330cf2886846e86a5a26c1405666c267ba0a1bc655c395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0eed04e7c34325fd458e62ef309a36f0d04c993d8d2d5e765288ccf346d4785c
[INFO] running `Command { std: "docker" "start" "-a" "0eed04e7c34325fd458e62ef309a36f0d04c993d8d2d5e765288ccf346d4785c", kill_on_drop: false }`
[INFO] [stderr]     Checking a3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "0eed04e7c34325fd458e62ef309a36f0d04c993d8d2d5e765288ccf346d4785c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eed04e7c34325fd458e62ef309a36f0d04c993d8d2d5e765288ccf346d4785c", kill_on_drop: false }`
[INFO] [stdout] 0eed04e7c34325fd458e62ef309a36f0d04c993d8d2d5e765288ccf346d4785c
[INFO] checking gursahib-badwal/rust-SAT-solver against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgursahib-badwal%2Frust-SAT-solver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gursahib-badwal/rust-SAT-solver 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/gursahib-badwal/rust-SAT-solver
[INFO] finished tweaking git repo https://github.com/gursahib-badwal/rust-SAT-solver
[INFO] tweaked toml for git repo https://github.com/gursahib-badwal/rust-SAT-solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gursahib-badwal/rust-SAT-solver 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b8477a80c34994add601055ea7a36bbeead2205059e0e4c37d7e0de6ddaeca6a
[INFO] running `Command { std: "docker" "start" "-a" "b8477a80c34994add601055ea7a36bbeead2205059e0e4c37d7e0de6ddaeca6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8477a80c34994add601055ea7a36bbeead2205059e0e4c37d7e0de6ddaeca6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8477a80c34994add601055ea7a36bbeead2205059e0e4c37d7e0de6ddaeca6a", kill_on_drop: false }`
[INFO] [stdout] b8477a80c34994add601055ea7a36bbeead2205059e0e4c37d7e0de6ddaeca6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0972c642e997a0fc726ee5206e078dc4f91273f02e700d33dd67fe14f9a4d6d0
[INFO] running `Command { std: "docker" "start" "-a" "0972c642e997a0fc726ee5206e078dc4f91273f02e700d33dd67fe14f9a4d6d0", kill_on_drop: false }`
[INFO] [stderr]     Checking a3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/dpll.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout] 8  | /             match current_clause[0] { 
[INFO] [stdout] 9  | |                 Atom::Base(v) => return Some((v, true)),
[INFO] [stdout] 10 | |                 Atom::Not(v) => return Some((v, false))
[INFO] [stdout] 11 | |             };
[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[E0282]: type annotations needed
[INFO] [stdout]   --> src/dpll.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout] 8  | /             match current_clause[0] { 
[INFO] [stdout] 9  | |                 Atom::Base(v) => return Some((v, true)),
[INFO] [stdout] 10 | |                 Atom::Not(v) => return Some((v, false))
[INFO] [stdout] 11 | |             };
[INFO] [stdout]    | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `a3` (bin "a3") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `a3` (bin "a3" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0972c642e997a0fc726ee5206e078dc4f91273f02e700d33dd67fe14f9a4d6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0972c642e997a0fc726ee5206e078dc4f91273f02e700d33dd67fe14f9a4d6d0", kill_on_drop: false }`
[INFO] [stdout] 0972c642e997a0fc726ee5206e078dc4f91273f02e700d33dd67fe14f9a4d6d0