[INFO] cloning repository https://github.com/kooparse/coding_problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kooparse/coding_problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkooparse%2Fcoding_problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkooparse%2Fcoding_problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19401df9cd92fec15231b368cd08e7473595ffd0
[INFO] testing kooparse/coding_problems against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkooparse%2Fcoding_problems" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kooparse/coding_problems on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kooparse/coding_problems
[INFO] finished tweaking git repo https://github.com/kooparse/coding_problems
[INFO] tweaked toml for git repo https://github.com/kooparse/coding_problems written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/kooparse/coding_problems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a3a2a10290cba14396ce9867abafb25e0f951a2bbef62a18d4bfc9e7e4b2b26
[INFO] running `Command { std: "docker" "start" "-a" "6a3a2a10290cba14396ce9867abafb25e0f951a2bbef62a18d4bfc9e7e4b2b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3a2a10290cba14396ce9867abafb25e0f951a2bbef62a18d4bfc9e7e4b2b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3a2a10290cba14396ce9867abafb25e0f951a2bbef62a18d4bfc9e7e4b2b26", kill_on_drop: false }`
[INFO] [stdout] 6a3a2a10290cba14396ce9867abafb25e0f951a2bbef62a18d4bfc9e7e4b2b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d7a294661afeec7fe7391ea7d5b558259489b757147f9eb305e07c93d21246
[INFO] running `Command { std: "docker" "start" "-a" "48d7a294661afeec7fe7391ea7d5b558259489b757147f9eb305e07c93d21246", kill_on_drop: false }`
[INFO] [stderr]    Compiling coding_interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "48d7a294661afeec7fe7391ea7d5b558259489b757147f9eb305e07c93d21246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d7a294661afeec7fe7391ea7d5b558259489b757147f9eb305e07c93d21246", kill_on_drop: false }`
[INFO] [stdout] 48d7a294661afeec7fe7391ea7d5b558259489b757147f9eb305e07c93d21246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0337d7a7e9c606091099f28bbb4cb994eb0968a400b2c0d2aa5bec0ff5bf9730
[INFO] running `Command { std: "docker" "start" "-a" "0337d7a7e9c606091099f28bbb4cb994eb0968a400b2c0d2aa5bec0ff5bf9730", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling coding_interview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/coding_interview-6df5c5030caa9396)
[INFO] running `Command { std: "docker" "inspect" "0337d7a7e9c606091099f28bbb4cb994eb0968a400b2c0d2aa5bec0ff5bf9730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0337d7a7e9c606091099f28bbb4cb994eb0968a400b2c0d2aa5bec0ff5bf9730", kill_on_drop: false }`
[INFO] [stdout] 0337d7a7e9c606091099f28bbb4cb994eb0968a400b2c0d2aa5bec0ff5bf9730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d21bb1eb39c0cb22bf680b0e1dcb43de93e9cb035b7ac08edd5903b76e6cf178
[INFO] running `Command { std: "docker" "start" "-a" "d21bb1eb39c0cb22bf680b0e1dcb43de93e9cb035b7ac08edd5903b76e6cf178", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coding_interview-6df5c5030caa9396)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test google_serializer::tests::serializer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coding_interview
[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" "d21bb1eb39c0cb22bf680b0e1dcb43de93e9cb035b7ac08edd5903b76e6cf178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21bb1eb39c0cb22bf680b0e1dcb43de93e9cb035b7ac08edd5903b76e6cf178", kill_on_drop: false }`
[INFO] [stdout] d21bb1eb39c0cb22bf680b0e1dcb43de93e9cb035b7ac08edd5903b76e6cf178