[INFO] cloning repository grahamc/s3-inventory.rs [INFO] running `"git" "clone" "--bare" "git://github.com/grahamc/s3-inventory.rs.git" "work/cache/sources/gh/grahamc/s3-inventory.rs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/grahamc/s3-inventory.rs'... [INFO] running `"git" "clone" "work/cache/sources/gh/grahamc/s3-inventory.rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/grahamc/s3-inventory.rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/grahamc/s3-inventory.rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/grahamc/s3-inventory.rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/grahamc/s3-inventory.rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/grahamc/s3-inventory.rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7ac5c4b9c501492e4d8274d14c6a3a020acf0fdf [INFO] sha for GitHub repo grahamc/s3-inventory.rs: 7ac5c4b9c501492e4d8274d14c6a3a020acf0fdf [INFO] validating manifest of grahamc/s3-inventory.rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of grahamc/s3-inventory.rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing grahamc/s3-inventory.rs [INFO] finished frobbing grahamc/s3-inventory.rs [INFO] frobbed toml for grahamc/s3-inventory.rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/grahamc/s3-inventory.rs/Cargo.toml [INFO] started frobbing grahamc/s3-inventory.rs [INFO] finished frobbing grahamc/s3-inventory.rs [INFO] frobbed toml for grahamc/s3-inventory.rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/grahamc/s3-inventory.rs/Cargo.toml [INFO] crate grahamc/s3-inventory.rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking grahamc/s3-inventory.rs against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/grahamc/s3-inventory.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 927e69e24f841954c6389c1af01cb04f6dbc764c7430808554477e7c82cd19bf [INFO] running `"docker" "start" "-a" "927e69e24f841954c6389c1af01cb04f6dbc764c7430808554477e7c82cd19bf"` [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Checking md5 v0.6.1 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Checking hydra-arch-breakdown v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Arc`, `Barrier` [INFO] [stderr] --> src/main.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | use std::sync::{Arc, Barrier}; [INFO] [stderr] | ^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Barrier` [INFO] [stderr] --> src/main.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | use std::sync::{Arc, Barrier}; [INFO] [stderr] | ^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `loadedDataFile` should have a snake case name [INFO] [stderr] --> src/main.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | let mut loadedDataFile: LoadedDataFile<_> = LoadedDataFile::new(&file).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `loaded_data_file` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | send_sum.send(count); [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/main.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | stream.write(format!("recd: {:?}\n", record).as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `loadedDataFile` should have a snake case name [INFO] [stderr] --> src/main.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | let mut loadedDataFile: LoadedDataFile<_> = LoadedDataFile::new(&file).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `loaded_data_file` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | send_sum.send(count); [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/main.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | stream.write(format!("recd: {:?}\n", record).as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 2m 01s [INFO] running `"docker" "inspect" "927e69e24f841954c6389c1af01cb04f6dbc764c7430808554477e7c82cd19bf"` [INFO] running `"docker" "rm" "-f" "927e69e24f841954c6389c1af01cb04f6dbc764c7430808554477e7c82cd19bf"` [INFO] [stdout] 927e69e24f841954c6389c1af01cb04f6dbc764c7430808554477e7c82cd19bf