[INFO] cloning repository https://github.com/chifmaster113/Aliexpress-Card-Converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chifmaster113/Aliexpress-Card-Converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchifmaster113%2FAliexpress-Card-Converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchifmaster113%2FAliexpress-Card-Converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59126711b944b99daa48ffff60c29c590e0e1fe
[INFO] checking chifmaster113/Aliexpress-Card-Converter against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchifmaster113%2FAliexpress-Card-Converter" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chifmaster113/Aliexpress-Card-Converter on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chifmaster113/Aliexpress-Card-Converter
[INFO] finished tweaking git repo https://github.com/chifmaster113/Aliexpress-Card-Converter
[INFO] tweaked toml for git repo https://github.com/chifmaster113/Aliexpress-Card-Converter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chifmaster113/Aliexpress-Card-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ac32b30b40c3d4c79c6ebedcf98e32e971c9e435241fad8f3e6253f35737757
[INFO] running `Command { std: "docker" "start" "-a" "2ac32b30b40c3d4c79c6ebedcf98e32e971c9e435241fad8f3e6253f35737757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac32b30b40c3d4c79c6ebedcf98e32e971c9e435241fad8f3e6253f35737757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac32b30b40c3d4c79c6ebedcf98e32e971c9e435241fad8f3e6253f35737757", kill_on_drop: false }`
[INFO] [stdout] 2ac32b30b40c3d4c79c6ebedcf98e32e971c9e435241fad8f3e6253f35737757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d60b3288566c0fd44823374719673c9298b74287d3b833f2beed4f828f11907
[INFO] running `Command { std: "docker" "start" "-a" "2d60b3288566c0fd44823374719673c9298b74287d3b833f2beed4f828f11907", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking Card_Test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]   --> src/main.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_to_digits(value: &str, base: i32) -> Vec<i32> {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]   --> src/main.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_to_digits(value: &str, base: i32) -> Vec<i32> {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "2d60b3288566c0fd44823374719673c9298b74287d3b833f2beed4f828f11907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d60b3288566c0fd44823374719673c9298b74287d3b833f2beed4f828f11907", kill_on_drop: false }`
[INFO] [stdout] 2d60b3288566c0fd44823374719673c9298b74287d3b833f2beed4f828f11907
[INFO] checking chifmaster113/Aliexpress-Card-Converter against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchifmaster113%2FAliexpress-Card-Converter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chifmaster113/Aliexpress-Card-Converter on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chifmaster113/Aliexpress-Card-Converter
[INFO] finished tweaking git repo https://github.com/chifmaster113/Aliexpress-Card-Converter
[INFO] tweaked toml for git repo https://github.com/chifmaster113/Aliexpress-Card-Converter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chifmaster113/Aliexpress-Card-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba12ca5feec7618070c4247826bec89531ecac0a1e2ee135f3875898c2e94f7
[INFO] running `Command { std: "docker" "start" "-a" "cba12ca5feec7618070c4247826bec89531ecac0a1e2ee135f3875898c2e94f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba12ca5feec7618070c4247826bec89531ecac0a1e2ee135f3875898c2e94f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba12ca5feec7618070c4247826bec89531ecac0a1e2ee135f3875898c2e94f7", kill_on_drop: false }`
[INFO] [stdout] cba12ca5feec7618070c4247826bec89531ecac0a1e2ee135f3875898c2e94f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d09f67fd2756b8ef9d8b4e17e80b109a588b25a8b546a023fe1ceb79330cd2e
[INFO] running `Command { std: "docker" "start" "-a" "7d09f67fd2756b8ef9d8b4e17e80b109a588b25a8b546a023fe1ceb79330cd2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking Card_Test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]   --> src/main.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_to_digits(value: &str, base: i32) -> Vec<i32> {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]   --> src/main.rs:64:37
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn parse_to_digits(value: &str, base: i32) -> Vec<i32> {
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "7d09f67fd2756b8ef9d8b4e17e80b109a588b25a8b546a023fe1ceb79330cd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d09f67fd2756b8ef9d8b4e17e80b109a588b25a8b546a023fe1ceb79330cd2e", kill_on_drop: false }`
[INFO] [stdout] 7d09f67fd2756b8ef9d8b4e17e80b109a588b25a8b546a023fe1ceb79330cd2e