[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3a2e6c70dc4d0e47a1f2e8edb17fb64b8c613a4849f3be04cbc5ff909206af8d
[INFO] running `"docker" "start" "-a" "3a2e6c70dc4d0e47a1f2e8edb17fb64b8c613a4849f3be04cbc5ff909206af8d"`
[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 0.91s
[INFO] running `"docker" "inspect" "3a2e6c70dc4d0e47a1f2e8edb17fb64b8c613a4849f3be04cbc5ff909206af8d"`
[INFO] running `"docker" "rm" "-f" "3a2e6c70dc4d0e47a1f2e8edb17fb64b8c613a4849f3be04cbc5ff909206af8d"`
[INFO] [stdout] 3a2e6c70dc4d0e47a1f2e8edb17fb64b8c613a4849f3be04cbc5ff909206af8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] dc5b1471eaa630844197b3dd2a742c7ed74e10d8a648e2f4c00eed6a381e734d
[INFO] running `"docker" "start" "-a" "dc5b1471eaa630844197b3dd2a742c7ed74e10d8a648e2f4c00eed6a381e734d"`
[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 0.68s
[INFO] running `"docker" "inspect" "dc5b1471eaa630844197b3dd2a742c7ed74e10d8a648e2f4c00eed6a381e734d"`
[INFO] running `"docker" "rm" "-f" "dc5b1471eaa630844197b3dd2a742c7ed74e10d8a648e2f4c00eed6a381e734d"`
[INFO] [stdout] dc5b1471eaa630844197b3dd2a742c7ed74e10d8a648e2f4c00eed6a381e734d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] af4af728d0ef313a155c38308658d9ef16976db194de89df821f999fa956ca81
[INFO] running `"docker" "start" "-a" "af4af728d0ef313a155c38308658d9ef16976db194de89df821f999fa956ca81"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tinytracer-25141400d8810d98
[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" "af4af728d0ef313a155c38308658d9ef16976db194de89df821f999fa956ca81"`
[INFO] running `"docker" "rm" "-f" "af4af728d0ef313a155c38308658d9ef16976db194de89df821f999fa956ca81"`
[INFO] [stdout] af4af728d0ef313a155c38308658d9ef16976db194de89df821f999fa956ca81