[INFO] cloning repository https://github.com/CsungaBro/romaniam_number_converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CsungaBro/romaniam_number_converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCsungaBro%2Fromaniam_number_converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCsungaBro%2Fromaniam_number_converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a716494920a1c2b12f1635e22b358f8c05b76591
[INFO] checking CsungaBro/romaniam_number_converter against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCsungaBro%2Fromaniam_number_converter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CsungaBro/romaniam_number_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/CsungaBro/romaniam_number_converter
[INFO] finished tweaking git repo https://github.com/CsungaBro/romaniam_number_converter
[INFO] tweaked toml for git repo https://github.com/CsungaBro/romaniam_number_converter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CsungaBro/romaniam_number_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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3b64cfecb71fe03223b075ad71a5708edf537d3d73aff0871ac3d35eac48e099
[INFO] running `Command { std: "docker" "start" "-a" "3b64cfecb71fe03223b075ad71a5708edf537d3d73aff0871ac3d35eac48e099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b64cfecb71fe03223b075ad71a5708edf537d3d73aff0871ac3d35eac48e099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b64cfecb71fe03223b075ad71a5708edf537d3d73aff0871ac3d35eac48e099", kill_on_drop: false }`
[INFO] [stdout] 3b64cfecb71fe03223b075ad71a5708edf537d3d73aff0871ac3d35eac48e099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fa45d1cc53a7adb2108970c9f6b5eac884d70f86003a01ad8a4529d056464bfa
[INFO] running `Command { std: "docker" "start" "-a" "fa45d1cc53a7adb2108970c9f6b5eac884d70f86003a01ad8a4529d056464bfa", kill_on_drop: false }`
[INFO] [stderr]     Checking romaniam_number_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "fa45d1cc53a7adb2108970c9f6b5eac884d70f86003a01ad8a4529d056464bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa45d1cc53a7adb2108970c9f6b5eac884d70f86003a01ad8a4529d056464bfa", kill_on_drop: false }`
[INFO] [stdout] fa45d1cc53a7adb2108970c9f6b5eac884d70f86003a01ad8a4529d056464bfa
[INFO] checking CsungaBro/romaniam_number_converter against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCsungaBro%2Fromaniam_number_converter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CsungaBro/romaniam_number_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/CsungaBro/romaniam_number_converter
[INFO] finished tweaking git repo https://github.com/CsungaBro/romaniam_number_converter
[INFO] tweaked toml for git repo https://github.com/CsungaBro/romaniam_number_converter written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CsungaBro/romaniam_number_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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5f73d169359bd12bf0af82642da11005e0bc43e057ae627fbdfda696333f9ee0
[INFO] running `Command { std: "docker" "start" "-a" "5f73d169359bd12bf0af82642da11005e0bc43e057ae627fbdfda696333f9ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f73d169359bd12bf0af82642da11005e0bc43e057ae627fbdfda696333f9ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f73d169359bd12bf0af82642da11005e0bc43e057ae627fbdfda696333f9ee0", kill_on_drop: false }`
[INFO] [stdout] 5f73d169359bd12bf0af82642da11005e0bc43e057ae627fbdfda696333f9ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cc81708bf3f81a5da139007c1a8f96a1d5e1335f1b7691445653f16d9d18a8af
[INFO] running `Command { std: "docker" "start" "-a" "cc81708bf3f81a5da139007c1a8f96a1d5e1335f1b7691445653f16d9d18a8af", kill_on_drop: false }`
[INFO] [stderr]     Checking romaniam_number_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/lib.rs:96:9
[INFO] [stdout]     |
[INFO] [stdout] 96  | /         match div_five_rest{ 
[INFO] [stdout] 97  | |             0 => return String::new(),
[INFO] [stdout] 98  | |             4 => return format!("{}{}", ones, fives),
[INFO] [stdout] 99  | |             _ => {
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |                 unwrap());
[INFO] [stdout] 103 | |         }}},  
[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[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/lib.rs:96:9
[INFO] [stdout]     |
[INFO] [stdout] 96  | /         match div_five_rest{ 
[INFO] [stdout] 97  | |             0 => return String::new(),
[INFO] [stdout] 98  | |             4 => return format!("{}{}", ones, fives),
[INFO] [stdout] 99  | |             _ => {
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |                 unwrap());
[INFO] [stdout] 103 | |         }}},  
[INFO] [stdout]     | |__________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `romaniam_number_converter` (lib) 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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `romaniam_number_converter` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cc81708bf3f81a5da139007c1a8f96a1d5e1335f1b7691445653f16d9d18a8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc81708bf3f81a5da139007c1a8f96a1d5e1335f1b7691445653f16d9d18a8af", kill_on_drop: false }`
[INFO] [stdout] cc81708bf3f81a5da139007c1a8f96a1d5e1335f1b7691445653f16d9d18a8af