[INFO] cloning repository https://github.com/Mch-Kuzyk/Fiz..IntToRoman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mch-Kuzyk/Fiz..IntToRoman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMch-Kuzyk%2FFiz..IntToRoman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMch-Kuzyk%2FFiz..IntToRoman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21ac9286057ca8fccc832157c140c3d246a1aaef
[INFO] testing Mch-Kuzyk/Fiz..IntToRoman against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMch-Kuzyk%2FFiz..IntToRoman" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mch-Kuzyk/Fiz..IntToRoman on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mch-Kuzyk/Fiz..IntToRoman
[INFO] finished tweaking git repo https://github.com/Mch-Kuzyk/Fiz..IntToRoman
[INFO] tweaked toml for git repo https://github.com/Mch-Kuzyk/Fiz..IntToRoman written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/Mch-Kuzyk/Fiz..IntToRoman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35e9db9d5222794290a81dbf136cd504dd7272c796582e4191f9a5cc6be4ce4b
[INFO] running `Command { std: "docker" "start" "-a" "35e9db9d5222794290a81dbf136cd504dd7272c796582e4191f9a5cc6be4ce4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e9db9d5222794290a81dbf136cd504dd7272c796582e4191f9a5cc6be4ce4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e9db9d5222794290a81dbf136cd504dd7272c796582e4191f9a5cc6be4ce4b", kill_on_drop: false }`
[INFO] [stdout] 35e9db9d5222794290a81dbf136cd504dd7272c796582e4191f9a5cc6be4ce4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d44a7aaa299f0e52c252cb3efe2c2cbecd506c92eefa8701bd8164b200c1462
[INFO] running `Command { std: "docker" "start" "-a" "8d44a7aaa299f0e52c252cb3efe2c2cbecd506c92eefa8701bd8164b200c1462", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling Fizbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fizz_operation`
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fizz_operation(number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Fizbus` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `fizbus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "8d44a7aaa299f0e52c252cb3efe2c2cbecd506c92eefa8701bd8164b200c1462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d44a7aaa299f0e52c252cb3efe2c2cbecd506c92eefa8701bd8164b200c1462", kill_on_drop: false }`
[INFO] [stdout] 8d44a7aaa299f0e52c252cb3efe2c2cbecd506c92eefa8701bd8164b200c1462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b60bdb5f9cdcd828c5f64e96e8314e089a4d0ac969190f4e6fa27b02b72e5c3f
[INFO] running `Command { std: "docker" "start" "-a" "b60bdb5f9cdcd828c5f64e96e8314e089a4d0ac969190f4e6fa27b02b72e5c3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling Fizbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fizz_operation`
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fizz_operation(number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Fizbus` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `fizbus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "b60bdb5f9cdcd828c5f64e96e8314e089a4d0ac969190f4e6fa27b02b72e5c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60bdb5f9cdcd828c5f64e96e8314e089a4d0ac969190f4e6fa27b02b72e5c3f", kill_on_drop: false }`
[INFO] [stdout] b60bdb5f9cdcd828c5f64e96e8314e089a4d0ac969190f4e6fa27b02b72e5c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4374f1f696d012833a891d171d58baa9393de4dc2aee61d585e812cef9d9ca7
[INFO] running `Command { std: "docker" "start" "-a" "d4374f1f696d012833a891d171d58baa9393de4dc2aee61d585e812cef9d9ca7", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `fizz_operation`
[INFO] [stderr]   --> src/main.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn fizz_operation(number: u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Fizbus` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `fizbus`
[INFO] [stderr] 
[INFO] [stderr] warning: `Fizbus` (bin "Fizbus" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Fizbus-03dd0e747a272b4e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4374f1f696d012833a891d171d58baa9393de4dc2aee61d585e812cef9d9ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4374f1f696d012833a891d171d58baa9393de4dc2aee61d585e812cef9d9ca7", kill_on_drop: false }`
[INFO] [stdout] d4374f1f696d012833a891d171d58baa9393de4dc2aee61d585e812cef9d9ca7