[INFO] crate iso8583 0.1.1 is already in cache
[INFO] extracting crate iso8583 0.1.1 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/iso8583/0.1.1
[INFO] extracting crate iso8583 0.1.1 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/iso8583/0.1.1
[INFO] validating manifest of iso8583-0.1.1 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iso8583-0.1.1 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iso8583-0.1.1
[INFO] finished frobbing iso8583-0.1.1
[INFO] frobbed toml for iso8583-0.1.1 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/iso8583/0.1.1/Cargo.toml
[INFO] started frobbing iso8583-0.1.1
[INFO] finished frobbing iso8583-0.1.1
[INFO] frobbed toml for iso8583-0.1.1 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/iso8583/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iso8583-0.1.1 against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/iso8583/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2ec396bf2e0d7bcd1b9893af32f1babd3232a3ba87af909b4fca7a330edb6bf7
[INFO] running `"docker" "start" "-a" "2ec396bf2e0d7bcd1b9893af32f1babd3232a3ba87af909b4fca7a330edb6bf7"`
[INFO] [stderr]     Checking generic-array v0.3.2
[INFO] [stderr]     Checking bit-array v0.4.4
[INFO] [stderr]     Checking iso8583 v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary path disambiguator
[INFO] [stderr]    --> src/yaml_specs.rs:167:29
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let fields: BTreeMap::<usize, HashMap::<String,String>> = serde_yaml::from_str(&s).unwrap();
[INFO] [stderr]     |                             ^^ try removing `::`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary path disambiguator
[INFO] [stderr]    --> src/yaml_specs.rs:167:46
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let fields: BTreeMap::<usize, HashMap::<String,String>> = serde_yaml::from_str(&s).unwrap();
[INFO] [stderr]     |                                              ^^ try removing `::`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary path disambiguator
[INFO] [stderr]    --> src/yaml_specs.rs:167:29
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let fields: BTreeMap::<usize, HashMap::<String,String>> = serde_yaml::from_str(&s).unwrap();
[INFO] [stderr]     |                             ^^ try removing `::`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary path disambiguator
[INFO] [stderr]    --> src/yaml_specs.rs:167:46
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let fields: BTreeMap::<usize, HashMap::<String,String>> = serde_yaml::from_str(&s).unwrap();
[INFO] [stderr]     |                                              ^^ try removing `::`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yaml_rust::yaml`
[INFO] [stderr]  --> src/yaml_specs.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use yaml_rust::yaml;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iso_field::FieldPayload`
[INFO] [stderr]   --> src/yaml_specs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use iso_field::FieldPayload;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yaml_specs::YamlSpec`
[INFO] [stderr]    --> src/iso_msg.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |     use yaml_specs::YamlSpec;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yaml_rust::yaml`
[INFO] [stderr]  --> src/yaml_specs.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use yaml_rust::yaml;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iso_field::FieldPayload`
[INFO] [stderr]   --> src/yaml_specs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use iso_field::FieldPayload;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `u32`
[INFO] [stderr]    --> src/yaml_specs.rs:134:20
[INFO] [stderr]     |
[INFO] [stderr] 134 |     use std::{str, u32};
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `typenum::U128`
[INFO] [stderr]    --> src/yaml_specs.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     use typenum::U128;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iso_field::FieldCharType`
[INFO] [stderr]    --> src/yaml_specs.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     use iso_field::FieldCharType;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iso_field::FieldPayload`
[INFO] [stderr]    --> src/yaml_specs.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     use iso_field::FieldPayload;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iso_field::FieldSizeType`
[INFO] [stderr]    --> src/yaml_specs.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     use iso_field::FieldSizeType;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iso_field::IsoField`
[INFO] [stderr]    --> src/yaml_specs.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     use iso_field::IsoField;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_string`
[INFO] [stderr]   --> src/yaml_specs.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 |      fn to_string(handle: &Vec<IsoField>) -> String {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/yaml_specs.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |             let mut iso_msg = IsoMsg::new(&handle, payload.as_bytes());
[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: method is never used: `to_string`
[INFO] [stderr]   --> src/yaml_specs.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 |      fn to_string(handle: &Vec<IsoField>) -> String {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/yaml_specs.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             file.read_to_string(&mut contents);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `"docker" "inspect" "2ec396bf2e0d7bcd1b9893af32f1babd3232a3ba87af909b4fca7a330edb6bf7"`
[INFO] running `"docker" "rm" "-f" "2ec396bf2e0d7bcd1b9893af32f1babd3232a3ba87af909b4fca7a330edb6bf7"`
[INFO] [stdout] 2ec396bf2e0d7bcd1b9893af32f1babd3232a3ba87af909b4fca7a330edb6bf7