[INFO] fetching crate serde_krds 0.1.1...
[INFO] testing serde_krds-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate serde_krds 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate serde_krds 0.1.1
[INFO] finished tweaking crates.io crate serde_krds 0.1.1
[INFO] tweaked toml for crates.io crate serde_krds 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_krds 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kindle_formats v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f57246671f2ee85c16f82f5d22f846d11e7adaae07364ad95d9e8d62ce8c37ba
[INFO] running `Command { std: "docker" "start" "-a" "f57246671f2ee85c16f82f5d22f846d11e7adaae07364ad95d9e8d62ce8c37ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f57246671f2ee85c16f82f5d22f846d11e7adaae07364ad95d9e8d62ce8c37ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57246671f2ee85c16f82f5d22f846d11e7adaae07364ad95d9e8d62ce8c37ba", kill_on_drop: false }`
[INFO] [stdout] f57246671f2ee85c16f82f5d22f846d11e7adaae07364ad95d9e8d62ce8c37ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b91c525c83e29a83205f0b0fc846f6c0fb4fd2c5e24dcef4d4c7b7fdc20b29cd
[INFO] running `Command { std: "docker" "start" "-a" "b91c525c83e29a83205f0b0fc846f6c0fb4fd2c5e24dcef4d4c7b7fdc20b29cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_krds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MapKeySerializer` is never constructed
[INFO] [stdout]    --> src/ser.rs:366:8
[INFO] [stdout]     |
[INFO] [stdout] 366 | struct MapKeySerializer;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bad_key_err` is never used
[INFO] [stdout]    --> src/ser.rs:368:4
[INFO] [stdout]     |
[INFO] [stdout] 368 | fn bad_key_err() -> Error {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "b91c525c83e29a83205f0b0fc846f6c0fb4fd2c5e24dcef4d4c7b7fdc20b29cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91c525c83e29a83205f0b0fc846f6c0fb4fd2c5e24dcef4d4c7b7fdc20b29cd", kill_on_drop: false }`
[INFO] [stdout] b91c525c83e29a83205f0b0fc846f6c0fb4fd2c5e24dcef4d4c7b7fdc20b29cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96ddf08ec8d2775de13ba1553c3a62e7c1ed6fa453fc37623d69b0e7d96ff993
[INFO] running `Command { std: "docker" "start" "-a" "96ddf08ec8d2775de13ba1553c3a62e7c1ed6fa453fc37623d69b0e7d96ff993", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling serde_krds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling kindle_formats v0.1.3
[INFO] [stdout] warning: struct `MapKeySerializer` is never constructed
[INFO] [stdout]    --> src/ser.rs:366:8
[INFO] [stdout]     |
[INFO] [stdout] 366 | struct MapKeySerializer;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bad_key_err` is never used
[INFO] [stdout]    --> src/ser.rs:368:4
[INFO] [stdout]     |
[INFO] [stdout] 368 | fn bad_key_err() -> Error {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapKeySerializer` is never constructed
[INFO] [stdout]    --> src/ser.rs:366:8
[INFO] [stdout]     |
[INFO] [stdout] 366 | struct MapKeySerializer;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bad_key_err` is never used
[INFO] [stdout]    --> src/ser.rs:368:4
[INFO] [stdout]     |
[INFO] [stdout] 368 | fn bad_key_err() -> Error {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "96ddf08ec8d2775de13ba1553c3a62e7c1ed6fa453fc37623d69b0e7d96ff993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ddf08ec8d2775de13ba1553c3a62e7c1ed6fa453fc37623d69b0e7d96ff993", kill_on_drop: false }`
[INFO] [stdout] 96ddf08ec8d2775de13ba1553c3a62e7c1ed6fa453fc37623d69b0e7d96ff993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de3b99e524d69474786fdf7b4bf05a5814fef1a9a52824d143862089ca2f64a1
[INFO] running `Command { std: "docker" "start" "-a" "de3b99e524d69474786fdf7b4bf05a5814fef1a9a52824d143862089ca2f64a1", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MapKeySerializer` is never constructed
[INFO] [stderr]    --> src/ser.rs:366:8
[INFO] [stderr]     |
[INFO] [stderr] 366 | struct MapKeySerializer;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `bad_key_err` is never used
[INFO] [stderr]    --> src/ser.rs:368:4
[INFO] [stderr]     |
[INFO] [stderr] 368 | fn bad_key_err() -> Error {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_krds` (lib) generated 2 warnings
[INFO] [stderr] warning: `serde_krds` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_krds-8af74ef5ac5dbe07)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test de::test::de_i16 ... ok
[INFO] [stdout] test de::test::de_f32 ... ok
[INFO] [stdout] test de::test::de_i32 ... ok
[INFO] [stdout] test de::test::de_f64 ... ok
[INFO] [stdout] test de::test::de_i64 ... ok
[INFO] [stdout] test de::test::empty_string_de ... ok
[INFO] [stdout] test de::test::int_vec_de ... ok
[INFO] [stdout] test de::test::de_i8 ... ok
[INFO] [stdout] test de::test::map_de ... ok
[INFO] [stdout] test de::test::pdfannot_yjf_de ... ok
[INFO] [stdout] test de::test::simple_newtype_de ... ok
[INFO] [stdout] test de::test::simple_struct_de ... ok
[INFO] [stdout] test de::test::pdfannot_yjr_de ... ok
[INFO] [stdout] test de::test::string_de ... ok
[INFO] [stdout] test de::test::string_vec_de ... ok
[INFO] [stdout] test ser::test::empty_string_ser ... ok
[INFO] [stdout] test de::test::vec_map_struct_de ... ok
[INFO] [stdout] test ser::test::int_vec_ser ... ok
[INFO] [stdout] test ser::test::map_ser ... ok
[INFO] [stdout] test ser::test::pdfannot_yjf_ser ... ok
[INFO] [stdout] test ser::test::ser_f32 ... ok
[INFO] [stdout] test ser::test::ser_f64 ... ok
[INFO] [stdout] test ser::test::ser_i16 ... ok
[INFO] [stdout] test ser::test::ser_i32 ... ok
[INFO] [stdout] test ser::test::pdfannot_yjr_ser ... ok
[INFO] [stdout] test ser::test::simple_newtype_ser ... ok
[INFO] [stdout] test ser::test::simple_struct_ser ... ok
[INFO] [stdout] test ser::test::ser_i64 ... ok
[INFO] [stdout] test ser::test::string_ser ... ok
[INFO] [stdout] test ser::test::ser_i8 ... ok
[INFO] [stdout] test ser::test::string_vec_ser ... ok
[INFO] [stdout] test ser::test::vec_map_struct_ser ... ok
[INFO] [stdout] test test::bookhlnote_azw3f_de_ser ... ok
[INFO] [stdout] test test::pdfannot_yjf_de_ser ... ok
[INFO] [stdout] test test::pdfannot_yjr_de_ser ... ok
[INFO] [stdout] test test::bookhlnote_azw3r_de_ser ... ok
[INFO] [stdout] test test::pdfannot_yjr_ser_de ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_krds
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de3b99e524d69474786fdf7b4bf05a5814fef1a9a52824d143862089ca2f64a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3b99e524d69474786fdf7b4bf05a5814fef1a9a52824d143862089ca2f64a1", kill_on_drop: false }`
[INFO] [stdout] de3b99e524d69474786fdf7b4bf05a5814fef1a9a52824d143862089ca2f64a1