[INFO] updating cached repository saaadhu/avrvm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/saaadhu/avrvm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/saaadhu/avrvm" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/saaadhu/avrvm"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/saaadhu/avrvm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saaadhu/avrvm" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/saaadhu/avrvm"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/saaadhu/avrvm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08dbf5008532eed33d1892b5555b4e05ca4b6a16
[INFO] sha for GitHub repo saaadhu/avrvm: 08dbf5008532eed33d1892b5555b4e05ca4b6a16
[INFO] validating manifest of saaadhu/avrvm on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of saaadhu/avrvm on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing saaadhu/avrvm
[INFO] finished frobbing saaadhu/avrvm
[INFO] frobbed toml for saaadhu/avrvm written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/saaadhu/avrvm/Cargo.toml
[INFO] started frobbing saaadhu/avrvm
[INFO] finished frobbing saaadhu/avrvm
[INFO] frobbed toml for saaadhu/avrvm written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/saaadhu/avrvm/Cargo.toml
[INFO] crate saaadhu/avrvm has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building saaadhu/avrvm against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/saaadhu/avrvm:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] db8e941aaaf22096f7e1d486f3d0d3a019c494cc673bf3b807ebd9b2e39c04c0
[INFO] running `"docker" "start" "-a" "db8e941aaaf22096f7e1d486f3d0d3a019c494cc673bf3b807ebd9b2e39c04c0"`
[INFO] [stderr]    Compiling avrvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `Header`
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ProgramHeader`
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Header` should have a snake case name
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to snake case: `header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ProgramHeader` should have a snake case name
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `program_header`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "db8e941aaaf22096f7e1d486f3d0d3a019c494cc673bf3b807ebd9b2e39c04c0"`
[INFO] running `"docker" "rm" "-f" "db8e941aaaf22096f7e1d486f3d0d3a019c494cc673bf3b807ebd9b2e39c04c0"`
[INFO] [stdout] db8e941aaaf22096f7e1d486f3d0d3a019c494cc673bf3b807ebd9b2e39c04c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/saaadhu/avrvm:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 23e7367cc22163e3bff0d63c3e5eba59e172f13f999b58cebaf20ef47edcb350
[INFO] running `"docker" "start" "-a" "23e7367cc22163e3bff0d63c3e5eba59e172f13f999b58cebaf20ef47edcb350"`
[INFO] [stderr]    Compiling avrvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `Header`
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ProgramHeader`
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Header` should have a snake case name
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to snake case: `header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ProgramHeader` should have a snake case name
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: convert the identifier to snake case: `program_header`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "23e7367cc22163e3bff0d63c3e5eba59e172f13f999b58cebaf20ef47edcb350"`
[INFO] running `"docker" "rm" "-f" "23e7367cc22163e3bff0d63c3e5eba59e172f13f999b58cebaf20ef47edcb350"`
[INFO] [stdout] 23e7367cc22163e3bff0d63c3e5eba59e172f13f999b58cebaf20ef47edcb350