[INFO] fetching crate mtbl-sys 0.2.0...
[INFO] checking mtbl-sys-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate mtbl-sys 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mtbl-sys 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cb8d08aa68eae26196ef7aa4cf4234787f3cc35352e324daa6f26d658a687e0
[INFO] running `Command { std: "docker" "start" "-a" "3cb8d08aa68eae26196ef7aa4cf4234787f3cc35352e324daa6f26d658a687e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb8d08aa68eae26196ef7aa4cf4234787f3cc35352e324daa6f26d658a687e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb8d08aa68eae26196ef7aa4cf4234787f3cc35352e324daa6f26d658a687e0", kill_on_drop: false }`
[INFO] [stdout] 3cb8d08aa68eae26196ef7aa4cf4234787f3cc35352e324daa6f26d658a687e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b22e956075308ed936693c25d2fc710e6eb8b1dcff7cd48d908fd62ef6caa3e
[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" "8b22e956075308ed936693c25d2fc710e6eb8b1dcff7cd48d908fd62ef6caa3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[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 4.91s
[INFO] running `Command { std: "docker" "inspect" "8b22e956075308ed936693c25d2fc710e6eb8b1dcff7cd48d908fd62ef6caa3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b22e956075308ed936693c25d2fc710e6eb8b1dcff7cd48d908fd62ef6caa3e", kill_on_drop: false }`
[INFO] [stdout] 8b22e956075308ed936693c25d2fc710e6eb8b1dcff7cd48d908fd62ef6caa3e