[INFO] updating cached repository hansihe/rust_iterative_json_parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hansihe/rust_iterative_json_parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hansihe/rust_iterative_json_parser" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/hansihe/rust_iterative_json_parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/hansihe/rust_iterative_json_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hansihe/rust_iterative_json_parser" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/hansihe/rust_iterative_json_parser"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/hansihe/rust_iterative_json_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f0ffa48024c44cdc26d65118cdc1114ca8900bd
[INFO] sha for GitHub repo hansihe/rust_iterative_json_parser: 3f0ffa48024c44cdc26d65118cdc1114ca8900bd
[INFO] validating manifest of hansihe/rust_iterative_json_parser on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hansihe/rust_iterative_json_parser on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hansihe/rust_iterative_json_parser
[INFO] finished frobbing hansihe/rust_iterative_json_parser
[INFO] frobbed toml for hansihe/rust_iterative_json_parser written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/hansihe/rust_iterative_json_parser/Cargo.toml
[INFO] started frobbing hansihe/rust_iterative_json_parser
[INFO] finished frobbing hansihe/rust_iterative_json_parser
[INFO] frobbed toml for hansihe/rust_iterative_json_parser written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/hansihe/rust_iterative_json_parser/Cargo.toml
[INFO] crate hansihe/rust_iterative_json_parser already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hansihe/rust_iterative_json_parser against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/hansihe/rust_iterative_json_parser:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7dbbe81cf6e77f8649f08c64772b60107ee0f46f5b185f9815657f9d6229b68e
[INFO] running `"docker" "start" "-a" "7dbbe81cf6e77f8649f08c64772b60107ee0f46f5b185f9815657f9d6229b68e"`
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stderr]     Checking iterative_json_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/parser.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | / macro_rules! lift_bail {
[INFO] [stderr] 111 | |     ($bailing:expr) => {
[INFO] [stderr] 112 | |         match $bailing {
[INFO] [stderr] 113 | |             Ok(inner) => Ok(inner),
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | |     };
[INFO] [stderr] 117 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::PResult`
[INFO] [stderr]  --> src/source/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::PResult;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/parser.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | / macro_rules! lift_bail {
[INFO] [stderr] 111 | |     ($bailing:expr) => {
[INFO] [stderr] 112 | |         match $bailing {
[INFO] [stderr] 113 | |             Ok(inner) => Ok(inner),
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | |     };
[INFO] [stderr] 117 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::PResult`
[INFO] [stderr]  --> src/source/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::PResult;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/parser.rs:136:14
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn log_token(token: &str) {
[INFO] [stderr]     |              ^^^^^ help: consider prefixing with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/parser.rs:136:14
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn log_token(token: &str) {
[INFO] [stderr]     |              ^^^^^ help: consider prefixing with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Decoder`
[INFO] [stderr]  --> src/decoder.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Decoder {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/decoder.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Decoder`
[INFO] [stderr]  --> src/decoder.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Decoder {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/decoder.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sink`
[INFO] [stderr]  --> tests/lib.rs:6:37
[INFO] [stderr]   |
[INFO] [stderr] 6 | use iterative_json_parser::{Source, Sink};
[INFO] [stderr]   |                                     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> tests/lib.rs:410:25
[INFO] [stderr]     |
[INFO] [stderr] 410 |                     let result = parse_to_enum(&mut buf);
[INFO] [stderr]     |                         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut ss = SourceSink {
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/lib.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let mut bailing_ss = SourceSink {
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "7dbbe81cf6e77f8649f08c64772b60107ee0f46f5b185f9815657f9d6229b68e"`
[INFO] running `"docker" "rm" "-f" "7dbbe81cf6e77f8649f08c64772b60107ee0f46f5b185f9815657f9d6229b68e"`
[INFO] [stdout] 7dbbe81cf6e77f8649f08c64772b60107ee0f46f5b185f9815657f9d6229b68e