[INFO] fetching crate arrow-avro 57.0.0...
[INFO] checking arrow-avro-57.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate arrow-avro 57.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate arrow-avro 57.0.0
[INFO] finished tweaking crates.io crate arrow-avro 57.0.0
[INFO] tweaked toml for crates.io crate arrow-avro 57.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arrow-avro 57.0.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arrow-avro 57.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] de296f56d4760113f1e1bba4eac51e9fedda01a2d01316d1823954f7272d68a7
[INFO] running `Command { std: "docker" "start" "-a" "de296f56d4760113f1e1bba4eac51e9fedda01a2d01316d1823954f7272d68a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de296f56d4760113f1e1bba4eac51e9fedda01a2d01316d1823954f7272d68a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de296f56d4760113f1e1bba4eac51e9fedda01a2d01316d1823954f7272d68a7", kill_on_drop: false }`
[INFO] [stdout] de296f56d4760113f1e1bba4eac51e9fedda01a2d01316d1823954f7272d68a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55f47177f3ddb79b28ed3e5128c7368caacf882e22ffeed99607cbadcf3ab385
[INFO] running `Command { std: "docker" "start" "-a" "55f47177f3ddb79b28ed3e5128c7368caacf882e22ffeed99607cbadcf3ab385", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.102
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[INFO] [stderr]     Checking arrow-avro v57.0.0 (/opt/rustwide/workdir)
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[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:357:34
[INFO] [stdout]     |
[INFO] [stdout] 357 |     let schema = AvroSchema::new(schema_json.parse().unwrap());
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:374:34
[INFO] [stdout]     |
[INFO] [stdout] 374 |     let schema = AvroSchema::new(schema_json.parse().unwrap());
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 457 | dataset!(INT_DATA, INT_SCHEMA, gen_int);
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 458 | dataset!(LONG_DATA, LONG_SCHEMA, gen_long);
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 459 | dataset!(FLOAT_DATA, FLOAT_SCHEMA, gen_float);
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 460 | dataset!(BOOL_DATA, BOOL_SCHEMA, gen_bool);
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 | dataset!(DOUBLE_DATA, DOUBLE_SCHEMA, gen_double);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 462 | dataset!(BYTES_DATA, BYTES_SCHEMA, gen_bytes);
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 463 | dataset!(STRING_DATA, STRING_SCHEMA, gen_string);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 464 | dataset!(DATE_DATA, DATE_SCHEMA, gen_date);
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 465 | dataset!(TMILLIS_DATA, TMILLIS_SCHEMA, gen_timemillis);
[INFO] [stdout]     | ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 466 | dataset!(TMICROS_DATA, TMICROS_SCHEMA, gen_timemicros);
[INFO] [stdout]     | ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 | dataset!(TSMILLIS_DATA, TSMILLIS_SCHEMA, gen_ts_millis);
[INFO] [stdout]     | ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 468 | dataset!(TSMICROS_DATA, TSMICROS_SCHEMA, gen_ts_micros);
[INFO] [stdout]     | ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 469 | dataset!(MAP_DATA, MAP_SCHEMA, gen_map);
[INFO] [stdout]     | --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 470 | dataset!(ARRAY_DATA, ARRAY_SCHEMA, gen_array);
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 471 | dataset!(DECIMAL_DATA, DECIMAL_SCHEMA, gen_decimal);
[INFO] [stdout]     | --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 472 | dataset!(UUID_DATA, UUID_SCHEMA, gen_uuid);
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 473 | dataset!(FIXED_DATA, FIXED_SCHEMA, gen_fixed);
[INFO] [stdout]     | --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 474 | dataset!(INTERVAL_DATA, INTERVAL_SCHEMA_ENCODE, gen_interval);
[INFO] [stdout]     | ------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 475 | dataset!(ENUM_DATA, ENUM_SCHEMA, gen_enum);
[INFO] [stdout]     | ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 476 | dataset!(MIX_DATA, MIX_SCHEMA, gen_mixed);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> benches/decoder.rs:426:48
[INFO] [stdout]     |
[INFO] [stdout] 426 |             let arrow_schema = AvroSchema::new($schema_json.parse().unwrap());
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 477 | dataset!(NEST_DATA, NEST_SCHEMA, gen_nested);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `dataset` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arrow-avro` (bench "decoder") due to 23 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "55f47177f3ddb79b28ed3e5128c7368caacf882e22ffeed99607cbadcf3ab385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f47177f3ddb79b28ed3e5128c7368caacf882e22ffeed99607cbadcf3ab385", kill_on_drop: false }`
[INFO] [stdout] 55f47177f3ddb79b28ed3e5128c7368caacf882e22ffeed99607cbadcf3ab385
