[INFO] fetching crate reddb 0.2.3...
[INFO] checking reddb-0.2.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate reddb 0.2.3 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate reddb 0.2.3 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 reddb 0.2.3
[INFO] finished tweaking crates.io crate reddb 0.2.3
[INFO] tweaked toml for crates.io crate reddb 0.2.3 written to /workspace/builds/worker-41/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] [stdout] 763be059a5fe6d5a089b3ae22301e57ababe2af02c45fe3a6eb5865f081d8564
[INFO] running `Command { std: "docker" "start" "-a" "763be059a5fe6d5a089b3ae22301e57ababe2af02c45fe3a6eb5865f081d8564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763be059a5fe6d5a089b3ae22301e57ababe2af02c45fe3a6eb5865f081d8564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763be059a5fe6d5a089b3ae22301e57ababe2af02c45fe3a6eb5865f081d8564", kill_on_drop: false }`
[INFO] [stdout] 763be059a5fe6d5a089b3ae22301e57ababe2af02c45fe3a6eb5865f081d8564
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 88aab57e71b5c0e03b754e8a038e9857d14b41d2ccfba4bc760ee87bbf0bd527
[INFO] running `Command { std: "docker" "start" "-a" "88aab57e71b5c0e03b754e8a038e9857d14b41d2ccfba4bc760ee87bbf0bd527", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
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[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
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[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking strsim v0.8.0
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[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking fomat-macros v0.3.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking anyhow v1.0.44
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking md-5 v0.9.1
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling rayon v1.5.1
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[INFO] [stderr]     Checking getrandom v0.2.3
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking reddb v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]  --> src/serializer/bin.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     format: Serializers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]  --> src/serializer/json.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     format: Serializers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]  --> src/serializer/ron.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     format: Serializers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]  --> src/serializer/yaml.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     format: Serializers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cargo_metadata v0.11.4
[INFO] [stderr]     Checking cargo-binutils v0.3.3
[INFO] [stderr]     Checking grcov v0.6.1
[INFO] [stdout] error[E0432]: unresolved import `crate::RonDb`
[INFO] [stdout]    --> src/lib.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     use crate::RonDb;
[INFO] [stdout]     |         ^^^^^^^^^^^^ no `RonDb` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[ignore]` only has an effect on functions
[INFO] [stdout]    --> src/lib.rs:327:38
[INFO] [stdout]     |
[INFO] [stdout] 327 | #[cfg_attr(not(feature = "ron_ser"), ignore)]
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reddb` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "88aab57e71b5c0e03b754e8a038e9857d14b41d2ccfba4bc760ee87bbf0bd527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88aab57e71b5c0e03b754e8a038e9857d14b41d2ccfba4bc760ee87bbf0bd527", kill_on_drop: false }`
[INFO] [stdout] 88aab57e71b5c0e03b754e8a038e9857d14b41d2ccfba4bc760ee87bbf0bd527