[INFO] cloning repository https://github.com/guildenstern70/RustLearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guildenstern70/RustLearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguildenstern70%2FRustLearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguildenstern70%2FRustLearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2207a79f76621e9ea8e2955a7f8684b84239119
[INFO] testing guildenstern70/RustLearn against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguildenstern70%2FRustLearn" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guildenstern70/RustLearn 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/guildenstern70/RustLearn
[INFO] finished tweaking git repo https://github.com/guildenstern70/RustLearn
[INFO] tweaked toml for git repo https://github.com/guildenstern70/RustLearn written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/guildenstern70/RustLearn 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4c9d2ecdce21d585375aefedcb0e1b5b3edb9961fec544ea3b716fc9776cef0e
[INFO] running `Command { std: "docker" "start" "-a" "4c9d2ecdce21d585375aefedcb0e1b5b3edb9961fec544ea3b716fc9776cef0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9d2ecdce21d585375aefedcb0e1b5b3edb9961fec544ea3b716fc9776cef0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9d2ecdce21d585375aefedcb0e1b5b3edb9961fec544ea3b716fc9776cef0e", kill_on_drop: false }`
[INFO] [stdout] 4c9d2ecdce21d585375aefedcb0e1b5b3edb9961fec544ea3b716fc9776cef0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] de09e9b2af52f660068fe2530ab8afd631d13fa36cb92597ea75dc6de7240981
[INFO] running `Command { std: "docker" "start" "-a" "de09e9b2af52f660068fe2530ab8afd631d13fa36cb92597ea75dc6de7240981", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "de09e9b2af52f660068fe2530ab8afd631d13fa36cb92597ea75dc6de7240981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de09e9b2af52f660068fe2530ab8afd631d13fa36cb92597ea75dc6de7240981", kill_on_drop: false }`
[INFO] [stdout] de09e9b2af52f660068fe2530ab8afd631d13fa36cb92597ea75dc6de7240981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9d54e533ccc4f8b861190c2ec5ae226d4783e76476d9740532cf15f7f380b37b
[INFO] running `Command { std: "docker" "start" "-a" "9d54e533ccc4f8b861190c2ec5ae226d4783e76476d9740532cf15f7f380b37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "9d54e533ccc4f8b861190c2ec5ae226d4783e76476d9740532cf15f7f380b37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d54e533ccc4f8b861190c2ec5ae226d4783e76476d9740532cf15f7f380b37b", kill_on_drop: false }`
[INFO] [stdout] 9d54e533ccc4f8b861190c2ec5ae226d4783e76476d9740532cf15f7f380b37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 532033339a5f110b90583025eef1b44709b58a4ed2cbbf20ef900b74a0f78c52
[INFO] running `Command { std: "docker" "start" "-a" "532033339a5f110b90583025eef1b44709b58a4ed2cbbf20ef900b74a0f78c52", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-395ed0980f23fa77)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test collections::tests::get_month_name_test ... ok
[INFO] [stdout] test collections::tests::get_number_test ... ok
[INFO] [stdout] test loops::tests::loop_test ... ok
[INFO] [stdout] test ownership::tests::string_len_test ... ok
[INFO] [stdout] test functions::tests::a_simple_sum_test ... ok
[INFO] [stdout] test collections::tests::get_non_existent_number_test - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "532033339a5f110b90583025eef1b44709b58a4ed2cbbf20ef900b74a0f78c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532033339a5f110b90583025eef1b44709b58a4ed2cbbf20ef900b74a0f78c52", kill_on_drop: false }`
[INFO] [stdout] 532033339a5f110b90583025eef1b44709b58a4ed2cbbf20ef900b74a0f78c52