[INFO] cloning repository https://github.com/Kya-Allen/DataWitch2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kya-Allen/DataWitch2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKya-Allen%2FDataWitch2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKya-Allen%2FDataWitch2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c74444925fcc3247f09820c3604ab3e8a384539
[INFO] checking Kya-Allen/DataWitch2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKya-Allen%2FDataWitch2" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kya-Allen/DataWitch2 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/Kya-Allen/DataWitch2
[INFO] finished tweaking git repo https://github.com/Kya-Allen/DataWitch2
[INFO] tweaked toml for git repo https://github.com/Kya-Allen/DataWitch2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kya-Allen/DataWitch2 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4c1c1cadbe6f24ee9dcd252f3bc91c41c6e4e40b3ba1436ba94cc4e9b4e5f694
[INFO] running `Command { std: "docker" "start" "-a" "4c1c1cadbe6f24ee9dcd252f3bc91c41c6e4e40b3ba1436ba94cc4e9b4e5f694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1c1cadbe6f24ee9dcd252f3bc91c41c6e4e40b3ba1436ba94cc4e9b4e5f694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1c1cadbe6f24ee9dcd252f3bc91c41c6e4e40b3ba1436ba94cc4e9b4e5f694", kill_on_drop: false }`
[INFO] [stdout] 4c1c1cadbe6f24ee9dcd252f3bc91c41c6e4e40b3ba1436ba94cc4e9b4e5f694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a11485a68f230fd3e7225b430aa1026beb4f7139cbbb8e600eb943d6d907d8a4
[INFO] running `Command { std: "docker" "start" "-a" "a11485a68f230fd3e7225b430aa1026beb4f7139cbbb8e600eb943d6d907d8a4", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "a11485a68f230fd3e7225b430aa1026beb4f7139cbbb8e600eb943d6d907d8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11485a68f230fd3e7225b430aa1026beb4f7139cbbb8e600eb943d6d907d8a4", kill_on_drop: false }`
[INFO] [stdout] a11485a68f230fd3e7225b430aa1026beb4f7139cbbb8e600eb943d6d907d8a4
[INFO] checking Kya-Allen/DataWitch2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKya-Allen%2FDataWitch2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kya-Allen/DataWitch2 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/Kya-Allen/DataWitch2
[INFO] finished tweaking git repo https://github.com/Kya-Allen/DataWitch2
[INFO] tweaked toml for git repo https://github.com/Kya-Allen/DataWitch2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kya-Allen/DataWitch2 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5cd979e8f5363077d5692f569268b09b80f4094dda3a68be9f4f9f89bf2ed7a1
[INFO] running `Command { std: "docker" "start" "-a" "5cd979e8f5363077d5692f569268b09b80f4094dda3a68be9f4f9f89bf2ed7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd979e8f5363077d5692f569268b09b80f4094dda3a68be9f4f9f89bf2ed7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd979e8f5363077d5692f569268b09b80f4094dda3a68be9f4f9f89bf2ed7a1", kill_on_drop: false }`
[INFO] [stdout] 5cd979e8f5363077d5692f569268b09b80f4094dda3a68be9f4f9f89bf2ed7a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 47908ea5db32eba36ab30eb05f02733d6612619c878cb90eae2eb065001c1bd7
[INFO] running `Command { std: "docker" "start" "-a" "47908ea5db32eba36ab30eb05f02733d6612619c878cb90eae2eb065001c1bd7", kill_on_drop: false }`
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/linear.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     match order {
[INFO] [stdout] 100 | |         1 => return l1_norm(vector_1),
[INFO] [stdout] 101 | |         2 => return l2_norm(vector_1),
[INFO] [stdout] 102 | |         -1 => return linf_norm(vector_1),
[INFO] [stdout] 103 | |         _ => panic!("The order of the norm is out of range. only l1, l2, and l-inf are supported")
[INFO] [stdout] 104 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/linear.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     match order {
[INFO] [stdout] 100 | |         1 => return l1_norm(vector_1),
[INFO] [stdout] 101 | |         2 => return l2_norm(vector_1),
[INFO] [stdout] 102 | |         -1 => return linf_norm(vector_1),
[INFO] [stdout] 103 | |         _ => panic!("The order of the norm is out of range. only l1, l2, and l-inf are supported")
[INFO] [stdout] 104 | |     };
[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 `hello_world` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello_world` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "47908ea5db32eba36ab30eb05f02733d6612619c878cb90eae2eb065001c1bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47908ea5db32eba36ab30eb05f02733d6612619c878cb90eae2eb065001c1bd7", kill_on_drop: false }`
[INFO] [stdout] 47908ea5db32eba36ab30eb05f02733d6612619c878cb90eae2eb065001c1bd7