[INFO] cloning repository https://github.com/MinaMatta98/Rover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinaMatta98/Rover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinaMatta98%2FRover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinaMatta98%2FRover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff38aba1c92c0fbcf9850bfc53ad83526d33d6a5
[INFO] checking MinaMatta98/Rover against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinaMatta98%2FRover" "/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/MinaMatta98/Rover 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/MinaMatta98/Rover
[INFO] finished tweaking git repo https://github.com/MinaMatta98/Rover
[INFO] tweaked toml for git repo https://github.com/MinaMatta98/Rover written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MinaMatta98/Rover 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-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] 0afb6b8089248f02246d05bde606cd6aa6cfbb027e56271333a7694b69979dfe
[INFO] running `Command { std: "docker" "start" "-a" "0afb6b8089248f02246d05bde606cd6aa6cfbb027e56271333a7694b69979dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0afb6b8089248f02246d05bde606cd6aa6cfbb027e56271333a7694b69979dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afb6b8089248f02246d05bde606cd6aa6cfbb027e56271333a7694b69979dfe", kill_on_drop: false }`
[INFO] [stdout] 0afb6b8089248f02246d05bde606cd6aa6cfbb027e56271333a7694b69979dfe
[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] 7235b1e96f5f515e893aebd126cf05787fb01ca37e88d78a4c4bfeb591057dd9
[INFO] running `Command { std: "docker" "start" "-a" "7235b1e96f5f515e893aebd126cf05787fb01ca37e88d78a4c4bfeb591057dd9", kill_on_drop: false }`
[INFO] [stderr]     Checking rover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "7235b1e96f5f515e893aebd126cf05787fb01ca37e88d78a4c4bfeb591057dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7235b1e96f5f515e893aebd126cf05787fb01ca37e88d78a4c4bfeb591057dd9", kill_on_drop: false }`
[INFO] [stdout] 7235b1e96f5f515e893aebd126cf05787fb01ca37e88d78a4c4bfeb591057dd9
[INFO] checking MinaMatta98/Rover against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinaMatta98%2FRover" "/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/MinaMatta98/Rover 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/MinaMatta98/Rover
[INFO] finished tweaking git repo https://github.com/MinaMatta98/Rover
[INFO] tweaked toml for git repo https://github.com/MinaMatta98/Rover written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MinaMatta98/Rover 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] f40546eb832801d5cb62fdc2fce2570300aea518052f5df06aae656550d87a7d
[INFO] running `Command { std: "docker" "start" "-a" "f40546eb832801d5cb62fdc2fce2570300aea518052f5df06aae656550d87a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40546eb832801d5cb62fdc2fce2570300aea518052f5df06aae656550d87a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40546eb832801d5cb62fdc2fce2570300aea518052f5df06aae656550d87a7d", kill_on_drop: false }`
[INFO] [stdout] f40546eb832801d5cb62fdc2fce2570300aea518052f5df06aae656550d87a7d
[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] a184df7a4865c3f50538c60c8aed802dd35907afad58bbee7a0a276fe66637d1
[INFO] running `Command { std: "docker" "start" "-a" "a184df7a4865c3f50538c60c8aed802dd35907afad58bbee7a0a276fe66637d1", kill_on_drop: false }`
[INFO] [stderr]     Checking rover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:156:25
[INFO] [stdout]     |
[INFO] [stdout] 156 |     arg.as_str().eq("").then(|| panic!("No arguments given"));
[INFO] [stdout]     |                         ^^^^ cannot infer type of the type parameter `T` declared on the method `then`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 156 |     arg.as_str().eq("").then::<T, _>(|| panic!("No arguments given"));
[INFO] [stdout]     |                             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:156:25
[INFO] [stdout]     |
[INFO] [stdout] 156 |     arg.as_str().eq("").then(|| panic!("No arguments given"));
[INFO] [stdout]     |                         ^^^^ cannot infer type of the type parameter `T` declared on the method `then`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 156 |     arg.as_str().eq("").then::<T, _>(|| panic!("No arguments given"));
[INFO] [stdout]     |                             ++++++++
[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] [stderr] error: could not compile `rover` (bin "rover") 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 `rover` (bin "rover" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a184df7a4865c3f50538c60c8aed802dd35907afad58bbee7a0a276fe66637d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a184df7a4865c3f50538c60c8aed802dd35907afad58bbee7a0a276fe66637d1", kill_on_drop: false }`
[INFO] [stdout] a184df7a4865c3f50538c60c8aed802dd35907afad58bbee7a0a276fe66637d1