[INFO] cloning repository https://github.com/Fedomn/rust-knowledge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fedomn/rust-knowledge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedomn%2Frust-knowledge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedomn%2Frust-knowledge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 760602ced82c0d0b0f3053d4e57bc504826c9180
[INFO] testing Fedomn/rust-knowledge against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFedomn%2Frust-knowledge" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fedomn/rust-knowledge on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fedomn/rust-knowledge
[INFO] finished tweaking git repo https://github.com/Fedomn/rust-knowledge
[INFO] tweaked toml for git repo https://github.com/Fedomn/rust-knowledge written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Fedomn/rust-knowledge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a8d2e46eefe0469326ed6af9f298daf94eec53568af936c893cbe6436eb2e4
[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" "d4a8d2e46eefe0469326ed6af9f298daf94eec53568af936c893cbe6436eb2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a8d2e46eefe0469326ed6af9f298daf94eec53568af936c893cbe6436eb2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a8d2e46eefe0469326ed6af9f298daf94eec53568af936c893cbe6436eb2e4", kill_on_drop: false }`
[INFO] [stdout] d4a8d2e46eefe0469326ed6af9f298daf94eec53568af936c893cbe6436eb2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ac980e73aef078a118ee229914bc0b0f79b9e4f556b55824e4ba70ad2bfd0f
[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" "25ac980e73aef078a118ee229914bc0b0f79b9e4f556b55824e4ba70ad2bfd0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling rust-knowledge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `Command { std: "docker" "inspect" "25ac980e73aef078a118ee229914bc0b0f79b9e4f556b55824e4ba70ad2bfd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ac980e73aef078a118ee229914bc0b0f79b9e4f556b55824e4ba70ad2bfd0f", kill_on_drop: false }`
[INFO] [stdout] 25ac980e73aef078a118ee229914bc0b0f79b9e4f556b55824e4ba70ad2bfd0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94891018a9fbe551ca925d14892c6c6386d9a21b3f67cf54ce78dcc1c39c9a68
[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" "94891018a9fbe551ca925d14892c6c6386d9a21b3f67cf54ce78dcc1c39c9a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-knowledge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "94891018a9fbe551ca925d14892c6c6386d9a21b3f67cf54ce78dcc1c39c9a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94891018a9fbe551ca925d14892c6c6386d9a21b3f67cf54ce78dcc1c39c9a68", kill_on_drop: false }`
[INFO] [stdout] 94891018a9fbe551ca925d14892c6c6386d9a21b3f67cf54ce78dcc1c39c9a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 445227997e62add5dcc2ff725faa182e9b9579b9ba32c0b079448f72de1cb140
[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" "445227997e62add5dcc2ff725faa182e9b9579b9ba32c0b079448f72de1cb140", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] [stdout] running 27 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_knowledge-8486e069dd169f3c
[INFO] [stdout] test basic::basic::destructuring ... ok
[INFO] [stdout] test basic::basic::array ... ok
[INFO] [stdout] test basic::basic::control_flow ... ok
[INFO] [stdout] test basic::basic::stream ... ok
[INFO] [stdout] test basic::basic::function ... ok
[INFO] [stdout] test basic::basic::string ... ok
[INFO] [stdout] test basic::basic::pattern_match ... ok
[INFO] [stdout] test basic::basic::map ... ok
[INFO] [stdout] test basic::basic::object ... ok
[INFO] [stdout] test basic::basic::variable ... ok
[INFO] [stdout] test enums::option ... ok
[INFO] [stdout] test basic::basic::tuple ... ok
[INFO] [stdout] test error::err::fallback_err ... ok
[INFO] [stdout] test enums::enum_match ... ok
[INFO] [stdout] test error::err::ignore_err ... ok
[INFO] [stdout] test error::err::custom_err ... ok
[INFO] [stdout] test error::err::propagate_err ... ok
[INFO] [stdout] test error::err::terminate_err ... ok
[INFO] [stdout] test ownership::ownership::scope ... ok
[INFO] [stdout] test ownership::ownership::scope_move ... ok
[INFO] [stdout] test structs::method ... ok
[INFO] [stdout] test structs::basic ... ok
[INFO] [stdout] test structs::tuple_structs ... ok
[INFO] [stdout] test error::err::boxed_err ... ok
[INFO] [stdout] test ownership::ownership::string ... ok
[INFO] [stdout] test ownership::ownership::scope_reference ... ok
[INFO] [stdout] test ownership::ownership::scope_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "445227997e62add5dcc2ff725faa182e9b9579b9ba32c0b079448f72de1cb140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445227997e62add5dcc2ff725faa182e9b9579b9ba32c0b079448f72de1cb140", kill_on_drop: false }`
[INFO] [stdout] 445227997e62add5dcc2ff725faa182e9b9579b9ba32c0b079448f72de1cb140