[INFO] cloning repository https://github.com/vitocchi/millionaires_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitocchi/millionaires_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitocchi%2Fmillionaires_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitocchi%2Fmillionaires_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66a9ef13b86232757273dc125701610a7907ca2f
[INFO] testing vitocchi/millionaires_demo against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitocchi%2Fmillionaires_demo" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitocchi/millionaires_demo on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitocchi/millionaires_demo
[INFO] finished tweaking git repo https://github.com/vitocchi/millionaires_demo
[INFO] tweaked toml for git repo https://github.com/vitocchi/millionaires_demo written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/vitocchi/millionaires_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92d758287500e0bed06b57bf58529f0773eab1ba960d77b8f8764dc58f48436d
[INFO] running `Command { std: "docker" "start" "-a" "92d758287500e0bed06b57bf58529f0773eab1ba960d77b8f8764dc58f48436d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d758287500e0bed06b57bf58529f0773eab1ba960d77b8f8764dc58f48436d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d758287500e0bed06b57bf58529f0773eab1ba960d77b8f8764dc58f48436d", kill_on_drop: false }`
[INFO] [stdout] 92d758287500e0bed06b57bf58529f0773eab1ba960d77b8f8764dc58f48436d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65343a322aad6740659387903499930073b29947d469c3adcf45407b86b27787
[INFO] running `Command { std: "docker" "start" "-a" "65343a322aad6740659387903499930073b29947d469c3adcf45407b86b27787", kill_on_drop: false }`
[INFO] [stderr]    Compiling millionaires_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `Millionaire` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let Millionaire = Millionaire {
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `millionaire`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "65343a322aad6740659387903499930073b29947d469c3adcf45407b86b27787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65343a322aad6740659387903499930073b29947d469c3adcf45407b86b27787", kill_on_drop: false }`
[INFO] [stdout] 65343a322aad6740659387903499930073b29947d469c3adcf45407b86b27787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47083b552fa4ea0e57ac670793a4f243c2b1c21066b121ac9c54277809ff10a4
[INFO] running `Command { std: "docker" "start" "-a" "47083b552fa4ea0e57ac670793a4f243c2b1c21066b121ac9c54277809ff10a4", kill_on_drop: false }`
[INFO] [stdout] warning: variable `Millionaire` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let Millionaire = Millionaire {
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `millionaire`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling millionaires_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Millionaire` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let Millionaire = Millionaire {
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `millionaire`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "47083b552fa4ea0e57ac670793a4f243c2b1c21066b121ac9c54277809ff10a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47083b552fa4ea0e57ac670793a4f243c2b1c21066b121ac9c54277809ff10a4", kill_on_drop: false }`
[INFO] [stdout] 47083b552fa4ea0e57ac670793a4f243c2b1c21066b121ac9c54277809ff10a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bdded0adea6f4a2f1bd6d3246d696aa911df9f81e7c6eaa511fe7929b535813d
[INFO] running `Command { std: "docker" "start" "-a" "bdded0adea6f4a2f1bd6d3246d696aa911df9f81e7c6eaa511fe7929b535813d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable `Millionaire` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let Millionaire = Millionaire {
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `millionaire`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `millionaires_demo` (lib) generated 1 warning
[INFO] [stderr] warning: `millionaires_demo` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/millionaires_demo-cc056ebd9951dab7)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/millionaires_demo-9fba8430f8627a1e)
[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] [stderr]    Doc-tests millionaires_demo
[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" "bdded0adea6f4a2f1bd6d3246d696aa911df9f81e7c6eaa511fe7929b535813d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdded0adea6f4a2f1bd6d3246d696aa911df9f81e7c6eaa511fe7929b535813d", kill_on_drop: false }`
[INFO] [stdout] bdded0adea6f4a2f1bd6d3246d696aa911df9f81e7c6eaa511fe7929b535813d