[INFO] cloning repository https://github.com/lucas0013/rust-temperature-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucas0013/rust-temperature-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas0013%2Frust-temperature-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas0013%2Frust-temperature-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74bd0d382d46dc56d4f3398ddedd477e09d6aa7b
[INFO] checking lucas0013/rust-temperature-converter against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas0013%2Frust-temperature-converter" "/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/lucas0013/rust-temperature-converter 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/lucas0013/rust-temperature-converter
[INFO] finished tweaking git repo https://github.com/lucas0013/rust-temperature-converter
[INFO] tweaked toml for git repo https://github.com/lucas0013/rust-temperature-converter written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lucas0013/rust-temperature-converter 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] 76b1694c983fe2c866d26768f6f0a1a5c7725f3760ea3d588cf16c1a66cf1659
[INFO] running `Command { std: "docker" "start" "-a" "76b1694c983fe2c866d26768f6f0a1a5c7725f3760ea3d588cf16c1a66cf1659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b1694c983fe2c866d26768f6f0a1a5c7725f3760ea3d588cf16c1a66cf1659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b1694c983fe2c866d26768f6f0a1a5c7725f3760ea3d588cf16c1a66cf1659", kill_on_drop: false }`
[INFO] [stdout] 76b1694c983fe2c866d26768f6f0a1a5c7725f3760ea3d588cf16c1a66cf1659
[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] 2c5be69f6748744528c8f95ff29b66f73c17a99b8efbfc7fb542b52357098cc6
[INFO] running `Command { std: "docker" "start" "-a" "2c5be69f6748744528c8f95ff29b66f73c17a99b8efbfc7fb542b52357098cc6", kill_on_drop: false }`
[INFO] [stderr]     Checking temperature_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "2c5be69f6748744528c8f95ff29b66f73c17a99b8efbfc7fb542b52357098cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5be69f6748744528c8f95ff29b66f73c17a99b8efbfc7fb542b52357098cc6", kill_on_drop: false }`
[INFO] [stdout] 2c5be69f6748744528c8f95ff29b66f73c17a99b8efbfc7fb542b52357098cc6
[INFO] checking lucas0013/rust-temperature-converter against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucas0013%2Frust-temperature-converter" "/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/lucas0013/rust-temperature-converter 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/lucas0013/rust-temperature-converter
[INFO] finished tweaking git repo https://github.com/lucas0013/rust-temperature-converter
[INFO] tweaked toml for git repo https://github.com/lucas0013/rust-temperature-converter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lucas0013/rust-temperature-converter 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] 6333f45dc2ac764568ffed33a7c24f4f744cc4674b0edf2a4b5a336d04fee51d
[INFO] running `Command { std: "docker" "start" "-a" "6333f45dc2ac764568ffed33a7c24f4f744cc4674b0edf2a4b5a336d04fee51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6333f45dc2ac764568ffed33a7c24f4f744cc4674b0edf2a4b5a336d04fee51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6333f45dc2ac764568ffed33a7c24f4f744cc4674b0edf2a4b5a336d04fee51d", kill_on_drop: false }`
[INFO] [stdout] 6333f45dc2ac764568ffed33a7c24f4f744cc4674b0edf2a4b5a336d04fee51d
[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] 5b8c4b740a0b615e3bbf14b87920e09b5373761869a60f365365e22c24717ac6
[INFO] running `Command { std: "docker" "start" "-a" "5b8c4b740a0b615e3bbf14b87920e09b5373761869a60f365365e22c24717ac6", kill_on_drop: false }`
[INFO] [stderr]     Checking temperature_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | /                 if num == 1 || num == 2 {
[INFO] [stdout] 32 | |                     break num;
[INFO] [stdout] 33 | |                 } else {
[INFO] [stdout] 34 | |                     println!("\nPlease provide a valid value (1 or 2). 😐");
[INFO] [stdout] 35 | |                     continue;
[INFO] [stdout] 36 | |                 }
[INFO] [stdout]    | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | /                 if num == 1 || num == 2 {
[INFO] [stdout] 32 | |                     break num;
[INFO] [stdout] 33 | |                 } else {
[INFO] [stdout] 34 | |                     println!("\nPlease provide a valid value (1 or 2). 😐");
[INFO] [stdout] 35 | |                     continue;
[INFO] [stdout] 36 | |                 }
[INFO] [stdout]    | |_________________^ cannot satisfy `_ -> _`
[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 E0284`.
[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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `temperature_converter` (bin "temperature_converter") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `temperature_converter` (bin "temperature_converter" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5b8c4b740a0b615e3bbf14b87920e09b5373761869a60f365365e22c24717ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8c4b740a0b615e3bbf14b87920e09b5373761869a60f365365e22c24717ac6", kill_on_drop: false }`
[INFO] [stdout] 5b8c4b740a0b615e3bbf14b87920e09b5373761869a60f365365e22c24717ac6