[INFO] updating cached repository tdejager/tinytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tdejager/tinytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tdejager/tinytracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/tdejager/tinytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tdejager/tinytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tdejager/tinytracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tdejager/tinytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tdejager/tinytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69f47db0778f554e5e66ad837f6a595c07121914
[INFO] sha for GitHub repo tdejager/tinytracer: 69f47db0778f554e5e66ad837f6a595c07121914
[INFO] validating manifest of tdejager/tinytracer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tdejager/tinytracer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tdejager/tinytracer
[INFO] finished frobbing tdejager/tinytracer
[INFO] frobbed toml for tdejager/tinytracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/tdejager/tinytracer/Cargo.toml
[INFO] started frobbing tdejager/tinytracer
[INFO] finished frobbing tdejager/tinytracer
[INFO] frobbed toml for tdejager/tinytracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tdejager/tinytracer/Cargo.toml
[INFO] crate tdejager/tinytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tdejager/tinytracer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tdejager/tinytracer:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 04edd7b1714de60b02ac0ee7a88cee69470960d81e055ba540853ffec81f3459
[INFO] running `"docker" "start" "-a" "04edd7b1714de60b02ac0ee7a88cee69470960d81e055ba540853ffec81f3459"`
[INFO] [stderr]    Compiling tinytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `byteorder::ByteOrder`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use byteorder::ByteOrder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `byteorder::NativeEndian`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use byteorder::NativeEndian;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "04edd7b1714de60b02ac0ee7a88cee69470960d81e055ba540853ffec81f3459"`
[INFO] running `"docker" "rm" "-f" "04edd7b1714de60b02ac0ee7a88cee69470960d81e055ba540853ffec81f3459"`
[INFO] [stdout] 04edd7b1714de60b02ac0ee7a88cee69470960d81e055ba540853ffec81f3459
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tdejager/tinytracer:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5ce7e341ee6c051450fcdab34055d2f4ff00a65e1f6c94ceb82a1d18b6be5438
[INFO] running `"docker" "start" "-a" "5ce7e341ee6c051450fcdab34055d2f4ff00a65e1f6c94ceb82a1d18b6be5438"`
[INFO] [stderr]    Compiling tinytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `byteorder::ByteOrder`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use byteorder::ByteOrder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `byteorder::NativeEndian`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use byteorder::NativeEndian;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "5ce7e341ee6c051450fcdab34055d2f4ff00a65e1f6c94ceb82a1d18b6be5438"`
[INFO] running `"docker" "rm" "-f" "5ce7e341ee6c051450fcdab34055d2f4ff00a65e1f6c94ceb82a1d18b6be5438"`
[INFO] [stdout] 5ce7e341ee6c051450fcdab34055d2f4ff00a65e1f6c94ceb82a1d18b6be5438
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tdejager/tinytracer:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6ef651090bb3af3db01a0d09a4e609c96e1b1fa9f217993c8a610d3c9ce274b3
[INFO] running `"docker" "start" "-a" "6ef651090bb3af3db01a0d09a4e609c96e1b1fa9f217993c8a610d3c9ce274b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tinytracer-37a65321d00a1960
[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" "6ef651090bb3af3db01a0d09a4e609c96e1b1fa9f217993c8a610d3c9ce274b3"`
[INFO] running `"docker" "rm" "-f" "6ef651090bb3af3db01a0d09a4e609c96e1b1fa9f217993c8a610d3c9ce274b3"`
[INFO] [stdout] 6ef651090bb3af3db01a0d09a4e609c96e1b1fa9f217993c8a610d3c9ce274b3