[INFO] cloning repository https://github.com/dputtick/protobuf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dputtick/protobuf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdputtick%2Fprotobuf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdputtick%2Fprotobuf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a1b2d63afe7a8bea3ed779683353427dd57deae
[INFO] testing dputtick/protobuf against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdputtick%2Fprotobuf" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dputtick/protobuf on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dputtick/protobuf
[INFO] finished tweaking git repo https://github.com/dputtick/protobuf
[INFO] tweaked toml for git repo https://github.com/dputtick/protobuf written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dputtick/protobuf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 869b062baaf87c0037a017ffa274df445c1bdb2b21e21f2e6df76964be46ec17
[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" "869b062baaf87c0037a017ffa274df445c1bdb2b21e21f2e6df76964be46ec17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "869b062baaf87c0037a017ffa274df445c1bdb2b21e21f2e6df76964be46ec17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869b062baaf87c0037a017ffa274df445c1bdb2b21e21f2e6df76964be46ec17", kill_on_drop: false }`
[INFO] [stdout] 869b062baaf87c0037a017ffa274df445c1bdb2b21e21f2e6df76964be46ec17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 965f74a3892598a75aeb05eff7cc46c31ad46165be3ffecb25455e8bb87387dd
[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" "965f74a3892598a75aeb05eff7cc46c31ad46165be3ffecb25455e8bb87387dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn from_bytes(slice_bytes: &[u8]) -> IntMessage {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_varint_pos`
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn next_varint_pos(slice: &[u8], start: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `varint_decode`
[INFO] [stdout]   --> src/main.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn varint_decode(bytes: &[u8]) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Varint`
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Varint,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unpack_key`
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn unpack_key(varint_key: &[u8]) -> Key {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "965f74a3892598a75aeb05eff7cc46c31ad46165be3ffecb25455e8bb87387dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965f74a3892598a75aeb05eff7cc46c31ad46165be3ffecb25455e8bb87387dd", kill_on_drop: false }`
[INFO] [stdout] 965f74a3892598a75aeb05eff7cc46c31ad46165be3ffecb25455e8bb87387dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75e90732146d0e4d2b2bf0218e2192e50063735c23e7e1f0e10a0528dea9328
[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" "a75e90732146d0e4d2b2bf0218e2192e50063735c23e7e1f0e10a0528dea9328", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "a75e90732146d0e4d2b2bf0218e2192e50063735c23e7e1f0e10a0528dea9328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75e90732146d0e4d2b2bf0218e2192e50063735c23e7e1f0e10a0528dea9328", kill_on_drop: false }`
[INFO] [stdout] a75e90732146d0e4d2b2bf0218e2192e50063735c23e7e1f0e10a0528dea9328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f99c267465cc19b64201200ce43318ee2812bed501aa5738016d33d9ba65c81
[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" "4f99c267465cc19b64201200ce43318ee2812bed501aa5738016d33d9ba65c81", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/protobuf-adde82b705e05092
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test can_decode_intmessage ... ok
[INFO] [stdout] test can_roundtrip ... ok
[INFO] [stdout] test can_encode_varint ... ok
[INFO] [stdout] test can_get_wiretype ... ok
[INFO] [stdout] test can_decode_varint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f99c267465cc19b64201200ce43318ee2812bed501aa5738016d33d9ba65c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f99c267465cc19b64201200ce43318ee2812bed501aa5738016d33d9ba65c81", kill_on_drop: false }`
[INFO] [stdout] 4f99c267465cc19b64201200ce43318ee2812bed501aa5738016d33d9ba65c81