[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMch-Kuzyk%2FFiz..IntToRoman" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mch-Kuzyk/Fiz..IntToRoman on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-10/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f00bc35ae8173e918a9265ca5f45af25cef0753c6f06833ecabd91297784ec30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f00bc35ae8173e918a9265ca5f45af25cef0753c6f06833ecabd91297784ec30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00bc35ae8173e918a9265ca5f45af25cef0753c6f06833ecabd91297784ec30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00bc35ae8173e918a9265ca5f45af25cef0753c6f06833ecabd91297784ec30", kill_on_drop: false }`
[INFO] [stdout] f00bc35ae8173e918a9265ca5f45af25cef0753c6f06833ecabd91297784ec30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d265cfbbffd7cf5aff70bf672a3d20c15c80d0945c2e1c9185375904398cbe4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d265cfbbffd7cf5aff70bf672a3d20c15c80d0945c2e1c9185375904398cbe4", 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 9.16s
[INFO] running `Command { std: "docker" "inspect" "8d265cfbbffd7cf5aff70bf672a3d20c15c80d0945c2e1c9185375904398cbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d265cfbbffd7cf5aff70bf672a3d20c15c80d0945c2e1c9185375904398cbe4", kill_on_drop: false }`
[INFO] [stdout] 8d265cfbbffd7cf5aff70bf672a3d20c15c80d0945c2e1c9185375904398cbe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab75c26fcef74ea11d67c5e0f9ba6d2cfc42b18407289236ee5515b1486f4f72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab75c26fcef74ea11d67c5e0f9ba6d2cfc42b18407289236ee5515b1486f4f72", 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "ab75c26fcef74ea11d67c5e0f9ba6d2cfc42b18407289236ee5515b1486f4f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab75c26fcef74ea11d67c5e0f9ba6d2cfc42b18407289236ee5515b1486f4f72", kill_on_drop: false }`
[INFO] [stdout] ab75c26fcef74ea11d67c5e0f9ba6d2cfc42b18407289236ee5515b1486f4f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 124a343c9d584d4e8f9210fb190d675ce50f2ac0e56551593dc3c19014bd4c93
[INFO] running `Command { std: "docker" "start" "-a" "124a343c9d584d4e8f9210fb190d675ce50f2ac0e56551593dc3c19014bd4c93", 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 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Fizbus-a5628678e75ea516)
[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" "124a343c9d584d4e8f9210fb190d675ce50f2ac0e56551593dc3c19014bd4c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124a343c9d584d4e8f9210fb190d675ce50f2ac0e56551593dc3c19014bd4c93", kill_on_drop: false }`
[INFO] [stdout] 124a343c9d584d4e8f9210fb190d675ce50f2ac0e56551593dc3c19014bd4c93