[INFO] updating cached repository grahamc/s3-inventory.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grahamc/s3-inventory.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grahamc/s3-inventory.rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/grahamc/s3-inventory.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/grahamc/s3-inventory.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grahamc/s3-inventory.rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grahamc/s3-inventory.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grahamc/s3-inventory.rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing grahamc/s3-inventory.rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grahamc/s3-inventory.rs:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bcafa3915b3b23ba84638df042ecf240a8148b7336245e13dbdcb2941301f9a9
[INFO] running `"docker" "start" "-a" "bcafa3915b3b23ba84638df042ecf240a8148b7336245e13dbdcb2941301f9a9"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling 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: 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 04s
[INFO] running `"docker" "inspect" "bcafa3915b3b23ba84638df042ecf240a8148b7336245e13dbdcb2941301f9a9"`
[INFO] running `"docker" "rm" "-f" "bcafa3915b3b23ba84638df042ecf240a8148b7336245e13dbdcb2941301f9a9"`
[INFO] [stdout] bcafa3915b3b23ba84638df042ecf240a8148b7336245e13dbdcb2941301f9a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grahamc/s3-inventory.rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 44963d93e2bae3b8601c71706f42ee7bfe7c1271289030338a035564f2ede2b1
[INFO] running `"docker" "start" "-a" "44963d93e2bae3b8601c71706f42ee7bfe7c1271289030338a035564f2ede2b1"`
[INFO] [stderr]    Compiling 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: 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 0.70s
[INFO] running `"docker" "inspect" "44963d93e2bae3b8601c71706f42ee7bfe7c1271289030338a035564f2ede2b1"`
[INFO] running `"docker" "rm" "-f" "44963d93e2bae3b8601c71706f42ee7bfe7c1271289030338a035564f2ede2b1"`
[INFO] [stdout] 44963d93e2bae3b8601c71706f42ee7bfe7c1271289030338a035564f2ede2b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/grahamc/s3-inventory.rs:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 440b2d3d038d0d80955b97ae5bebc3b587b51457f4483d306c0e8396a67b31be
[INFO] running `"docker" "start" "-a" "440b2d3d038d0d80955b97ae5bebc3b587b51457f4483d306c0e8396a67b31be"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hydra_arch_breakdown-1643d0f82005fff9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "440b2d3d038d0d80955b97ae5bebc3b587b51457f4483d306c0e8396a67b31be"`
[INFO] running `"docker" "rm" "-f" "440b2d3d038d0d80955b97ae5bebc3b587b51457f4483d306c0e8396a67b31be"`
[INFO] [stdout] 440b2d3d038d0d80955b97ae5bebc3b587b51457f4483d306c0e8396a67b31be