[INFO] fetching crate mtbl-sys 0.2.0...
[INFO] checking mtbl-sys-0.2.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate mtbl-sys 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mtbl-sys 0.2.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtbl-sys 0.2.0
[INFO] finished tweaking crates.io crate mtbl-sys 0.2.0
[INFO] tweaked toml for crates.io crate mtbl-sys 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 633741c5e8ab511feb33cd259ce51b7f046a93c1a99c13ad0ffa9f57908646c1
[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" "633741c5e8ab511feb33cd259ce51b7f046a93c1a99c13ad0ffa9f57908646c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "633741c5e8ab511feb33cd259ce51b7f046a93c1a99c13ad0ffa9f57908646c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633741c5e8ab511feb33cd259ce51b7f046a93c1a99c13ad0ffa9f57908646c1", kill_on_drop: false }`
[INFO] [stdout] 633741c5e8ab511feb33cd259ce51b7f046a93c1a99c13ad0ffa9f57908646c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e9de3a83f5cb0253ecdd702db1693fe8ab2dc1d76492dc5f07d3a3844c9e2e4
[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" "9e9de3a83f5cb0253ecdd702db1693fe8ab2dc1d76492dc5f07d3a3844c9e2e4", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mtbl-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_NONE` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     MTBL_COMPRESSION_NONE = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionNone`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_SNAPPY` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     MTBL_COMPRESSION_SNAPPY = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionSnappy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_ZLIB` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MTBL_COMPRESSION_ZLIB = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionZlib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_LZ4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     MTBL_COMPRESSION_LZ4 = 3,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionLz4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_LZ4HC` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     MTBL_COMPRESSION_LZ4HC = 4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionLz4hc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mtbl_res_failure` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     mtbl_res_failure = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblResFailure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mtbl_res_success` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     mtbl_res_success = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblResSuccess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_NONE` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     MTBL_COMPRESSION_NONE = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionNone`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_SNAPPY` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     MTBL_COMPRESSION_SNAPPY = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionSnappy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_ZLIB` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     MTBL_COMPRESSION_ZLIB = 2,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionZlib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_LZ4` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     MTBL_COMPRESSION_LZ4 = 3,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionLz4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MTBL_COMPRESSION_LZ4HC` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     MTBL_COMPRESSION_LZ4HC = 4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblCompressionLz4hc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mtbl_res_failure` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     mtbl_res_failure = 0,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblResFailure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mtbl_res_success` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     mtbl_res_success = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MtblResSuccess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "9e9de3a83f5cb0253ecdd702db1693fe8ab2dc1d76492dc5f07d3a3844c9e2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9de3a83f5cb0253ecdd702db1693fe8ab2dc1d76492dc5f07d3a3844c9e2e4", kill_on_drop: false }`
[INFO] [stdout] 9e9de3a83f5cb0253ecdd702db1693fe8ab2dc1d76492dc5f07d3a3844c9e2e4