[INFO] updating cached repository foriequal0/heap-size-of-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/foriequal0/heap-size-of-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/foriequal0/heap-size-of-test" "work/ex/beta-1.37-6/sources/1.36.0/gh/foriequal0/heap-size-of-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/foriequal0/heap-size-of-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foriequal0/heap-size-of-test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/foriequal0/heap-size-of-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/foriequal0/heap-size-of-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ddcc41b011c20f0c51ef7e178edf213339ebb9a
[INFO] sha for GitHub repo foriequal0/heap-size-of-test: 6ddcc41b011c20f0c51ef7e178edf213339ebb9a
[INFO] validating manifest of foriequal0/heap-size-of-test 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 foriequal0/heap-size-of-test 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 foriequal0/heap-size-of-test
[INFO] finished frobbing foriequal0/heap-size-of-test
[INFO] frobbed toml for foriequal0/heap-size-of-test written to work/ex/beta-1.37-6/sources/1.36.0/gh/foriequal0/heap-size-of-test/Cargo.toml
[INFO] started frobbing foriequal0/heap-size-of-test
[INFO] finished frobbing foriequal0/heap-size-of-test
[INFO] frobbed toml for foriequal0/heap-size-of-test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/foriequal0/heap-size-of-test/Cargo.toml
[INFO] crate foriequal0/heap-size-of-test 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 foriequal0/heap-size-of-test against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/foriequal0/heap-size-of-test:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3bf43acafa6f6f012af9d1099557a4c01571af9c4188785bb630df217eb2f5e3
[INFO] running `"docker" "start" "-a" "3bf43acafa6f6f012af9d1099557a4c01571af9c4188785bb630df217eb2f5e3"`
[INFO] [stderr]    Compiling heap-size-of v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     buf: [u8; 8],
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     buf: [u8; 15],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "3bf43acafa6f6f012af9d1099557a4c01571af9c4188785bb630df217eb2f5e3"`
[INFO] running `"docker" "rm" "-f" "3bf43acafa6f6f012af9d1099557a4c01571af9c4188785bb630df217eb2f5e3"`
[INFO] [stdout] 3bf43acafa6f6f012af9d1099557a4c01571af9c4188785bb630df217eb2f5e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/foriequal0/heap-size-of-test:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] eba492cb9bcef86ab579dc072a5a005f322e98e77773a376eb8fbc2620a057a2
[INFO] running `"docker" "start" "-a" "eba492cb9bcef86ab579dc072a5a005f322e98e77773a376eb8fbc2620a057a2"`
[INFO] [stderr]    Compiling heap-size-of v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     buf: [u8; 8],
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `buf`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     buf: [u8; 15],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "eba492cb9bcef86ab579dc072a5a005f322e98e77773a376eb8fbc2620a057a2"`
[INFO] running `"docker" "rm" "-f" "eba492cb9bcef86ab579dc072a5a005f322e98e77773a376eb8fbc2620a057a2"`
[INFO] [stdout] eba492cb9bcef86ab579dc072a5a005f322e98e77773a376eb8fbc2620a057a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/foriequal0/heap-size-of-test:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d7a902dc682f4a6498f1f83e95bfb56c193be5ac8eedde7efc52a77118b2a0f2
[INFO] running `"docker" "start" "-a" "d7a902dc682f4a6498f1f83e95bfb56c193be5ac8eedde7efc52a77118b2a0f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/heap_size_of-24c3bc7caedd1f1b
[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" "d7a902dc682f4a6498f1f83e95bfb56c193be5ac8eedde7efc52a77118b2a0f2"`
[INFO] running `"docker" "rm" "-f" "d7a902dc682f4a6498f1f83e95bfb56c193be5ac8eedde7efc52a77118b2a0f2"`
[INFO] [stdout] d7a902dc682f4a6498f1f83e95bfb56c193be5ac8eedde7efc52a77118b2a0f2