[INFO] fetching crate scout_game 0.1.1...
[INFO] checking scout_game-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate scout_game 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate scout_game 0.1.1 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 crates.io crate scout_game 0.1.1
[INFO] finished tweaking crates.io crate scout_game 0.1.1
[INFO] tweaked toml for crates.io crate scout_game 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate scout_game 0.1.1 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c97954a2bdd8b132d977942c471dbae9be24ff846ad6c008fff67cdc064ff953
[INFO] running `Command { std: "docker" "start" "-a" "c97954a2bdd8b132d977942c471dbae9be24ff846ad6c008fff67cdc064ff953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c97954a2bdd8b132d977942c471dbae9be24ff846ad6c008fff67cdc064ff953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97954a2bdd8b132d977942c471dbae9be24ff846ad6c008fff67cdc064ff953", kill_on_drop: false }`
[INFO] [stdout] c97954a2bdd8b132d977942c471dbae9be24ff846ad6c008fff67cdc064ff953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a138c3c850203ce776e593f2a39317d930e39b9a6d71844d513d7dde5264935f
[INFO] running `Command { std: "docker" "start" "-a" "a138c3c850203ce776e593f2a39317d930e39b9a6d71844d513d7dde5264935f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking scout_game v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "a138c3c850203ce776e593f2a39317d930e39b9a6d71844d513d7dde5264935f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a138c3c850203ce776e593f2a39317d930e39b9a6d71844d513d7dde5264935f", kill_on_drop: false }`
[INFO] [stdout] a138c3c850203ce776e593f2a39317d930e39b9a6d71844d513d7dde5264935f
[INFO] checking scout_game-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate scout_game 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate scout_game 0.1.1 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 crates.io crate scout_game 0.1.1
[INFO] finished tweaking crates.io crate scout_game 0.1.1
[INFO] tweaked toml for crates.io crate scout_game 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate scout_game 0.1.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 58f7d0268ebc1b6c9b7023f5f6966da5126d3e9a94cb97a575612b2b0724e508
[INFO] running `Command { std: "docker" "start" "-a" "58f7d0268ebc1b6c9b7023f5f6966da5126d3e9a94cb97a575612b2b0724e508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58f7d0268ebc1b6c9b7023f5f6966da5126d3e9a94cb97a575612b2b0724e508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f7d0268ebc1b6c9b7023f5f6966da5126d3e9a94cb97a575612b2b0724e508", kill_on_drop: false }`
[INFO] [stdout] 58f7d0268ebc1b6c9b7023f5f6966da5126d3e9a94cb97a575612b2b0724e508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 378febc0ed8e6283bf00fe98dccb2f5d8279438a8c6d053e5c7d4bce8ed06d10
[INFO] running `Command { std: "docker" "start" "-a" "378febc0ed8e6283bf00fe98dccb2f5d8279438a8c6d053e5c7d4bce8ed06d10", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking scout_game v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 | /             if final_scores[0] == *final_scores.iter().max().unwrap() {
[INFO] [stdout] 352 | |                 return NewGameView::Win;
[INFO] [stdout] 353 | |             } else {
[INFO] [stdout] 354 | |                 return NewGameView::Loss;
[INFO] [stdout] 355 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 | /             if final_scores[0] == *final_scores.iter().max().unwrap() {
[INFO] [stdout] 352 | |                 return NewGameView::Win;
[INFO] [stdout] 353 | |             } else {
[INFO] [stdout] 354 | |                 return NewGameView::Loss;
[INFO] [stdout] 355 | |             };
[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 `scout_game` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `scout_game` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "378febc0ed8e6283bf00fe98dccb2f5d8279438a8c6d053e5c7d4bce8ed06d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378febc0ed8e6283bf00fe98dccb2f5d8279438a8c6d053e5c7d4bce8ed06d10", kill_on_drop: false }`
[INFO] [stdout] 378febc0ed8e6283bf00fe98dccb2f5d8279438a8c6d053e5c7d4bce8ed06d10