[INFO] fetching crate hrm_interpreter 0.2.0... [INFO] extracting crate hrm_interpreter 0.2.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/hrm_interpreter/0.2.0 [INFO] extracting crate hrm_interpreter 0.2.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/hrm_interpreter/0.2.0 [INFO] validating manifest of hrm_interpreter-0.2.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hrm_interpreter-0.2.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hrm_interpreter-0.2.0 [INFO] finished frobbing hrm_interpreter-0.2.0 [INFO] frobbed toml for hrm_interpreter-0.2.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/hrm_interpreter/0.2.0/Cargo.toml [INFO] started frobbing hrm_interpreter-0.2.0 [INFO] finished frobbing hrm_interpreter-0.2.0 [INFO] frobbed toml for hrm_interpreter-0.2.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/hrm_interpreter/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hrm_interpreter-0.2.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-6/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/hrm_interpreter/0.2.0:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 9a53f1b67ba59c38b0dd772b50f6b6027df08f941cd04f4f94f4ada3dd45b056 [INFO] running `"docker" "start" "-a" "9a53f1b67ba59c38b0dd772b50f6b6027df08f941cd04f4f94f4ada3dd45b056"` [INFO] [stderr] Checking hrm_interpreter v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/json.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | fn new(operation: String, operand: Option) -> Self { [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/json.rs:240:9 [INFO] [stderr] | [INFO] [stderr] 240 | file.write(raw_state.as_bytes()); [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] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/json.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | file.write(b"\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `operation` [INFO] [stderr] --> src/operators/add.rs:257:7 [INFO] [stderr] | [INFO] [stderr] 257 | let operation = AddOp{cell: Location::Cell(0)}; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_operation` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/json.rs:240:9 [INFO] [stderr] | [INFO] [stderr] 240 | file.write(raw_state.as_bytes()); [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] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/json.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | file.write(b"\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 4.97s [INFO] running `"docker" "inspect" "9a53f1b67ba59c38b0dd772b50f6b6027df08f941cd04f4f94f4ada3dd45b056"` [INFO] running `"docker" "rm" "-f" "9a53f1b67ba59c38b0dd772b50f6b6027df08f941cd04f4f94f4ada3dd45b056"` [INFO] [stdout] 9a53f1b67ba59c38b0dd772b50f6b6027df08f941cd04f4f94f4ada3dd45b056