[INFO] crate elf 0.0.10 is already in cache
[INFO] extracting crate elf 0.0.10 into work/ex/beta-1.38-1/sources/1.37.0/reg/elf/0.0.10
[INFO] extracting crate elf 0.0.10 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/elf/0.0.10
[INFO] validating manifest of elf-0.0.10 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 elf-0.0.10 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 elf-0.0.10
[INFO] finished frobbing elf-0.0.10
[INFO] frobbed toml for elf-0.0.10 written to work/ex/beta-1.38-1/sources/1.37.0/reg/elf/0.0.10/Cargo.toml
[INFO] started frobbing elf-0.0.10
[INFO] finished frobbing elf-0.0.10
[INFO] frobbed toml for elf-0.0.10 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/elf/0.0.10/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 elf-0.0.10 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/elf/0.0.10:/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] b81f704427c9aa9885631eae26de792d7110ceaa4e6ffe0532e62e5410f7896d
[INFO] running `"docker" "start" "-a" "b81f704427c9aa9885631eae26de792d7110ceaa4e6ffe0532e62e5410f7896d"`
[INFO] [stderr]    Compiling elf v0.0.10 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:256:45
[INFO] [stderr]     |
[INFO] [stderr] 256 |     fn parse_symbol(&self, io_section: &mut Read, symbols: &mut Vec<types::Symbol>, link: &[u8]) -> Result<(), ParseError> {
[INFO] [stderr]     |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]    --> src/lib.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let flags = try!(read_u32!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_flags`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ehsize`
[INFO] [stderr]    --> src/lib.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let ehsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_ehsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `phentsize`
[INFO] [stderr]    --> src/lib.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let phentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_phentsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shentsize`
[INFO] [stderr]    --> src/lib.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let shentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_shentsize`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "b81f704427c9aa9885631eae26de792d7110ceaa4e6ffe0532e62e5410f7896d"`
[INFO] running `"docker" "rm" "-f" "b81f704427c9aa9885631eae26de792d7110ceaa4e6ffe0532e62e5410f7896d"`
[INFO] [stdout] b81f704427c9aa9885631eae26de792d7110ceaa4e6ffe0532e62e5410f7896d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/elf/0.0.10:/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] 466236ea9daa2414109a3104e4c6096f11cd5b400bd0499cb48f5b3865abcc02
[INFO] running `"docker" "start" "-a" "466236ea9daa2414109a3104e4c6096f11cd5b400bd0499cb48f5b3865abcc02"`
[INFO] [stderr]    Compiling elf v0.0.10 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:256:45
[INFO] [stderr]     |
[INFO] [stderr] 256 |     fn parse_symbol(&self, io_section: &mut Read, symbols: &mut Vec<types::Symbol>, link: &[u8]) -> Result<(), ParseError> {
[INFO] [stderr]     |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flags`
[INFO] [stderr]    --> src/lib.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let flags = try!(read_u32!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_flags`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ehsize`
[INFO] [stderr]    --> src/lib.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let ehsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_ehsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `phentsize`
[INFO] [stderr]    --> src/lib.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let phentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_phentsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shentsize`
[INFO] [stderr]    --> src/lib.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let shentsize = try!(read_u16!(elf_f, io_file));
[INFO] [stderr]     |             ^^^^^^^^^ help: consider prefixing with an underscore: `_shentsize`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "466236ea9daa2414109a3104e4c6096f11cd5b400bd0499cb48f5b3865abcc02"`
[INFO] running `"docker" "rm" "-f" "466236ea9daa2414109a3104e4c6096f11cd5b400bd0499cb48f5b3865abcc02"`
[INFO] [stdout] 466236ea9daa2414109a3104e4c6096f11cd5b400bd0499cb48f5b3865abcc02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/elf/0.0.10:/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] 9971122f9c49266414ca166ce86a98e968d181d669d67741a7da96ecf2fb027d
[INFO] running `"docker" "start" "-a" "9971122f9c49266414ca166ce86a98e968d181d669d67741a7da96ecf2fb027d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/elf-691f3b4f4b9a1a94
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_open_path ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests elf
[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" "9971122f9c49266414ca166ce86a98e968d181d669d67741a7da96ecf2fb027d"`
[INFO] running `"docker" "rm" "-f" "9971122f9c49266414ca166ce86a98e968d181d669d67741a7da96ecf2fb027d"`
[INFO] [stdout] 9971122f9c49266414ca166ce86a98e968d181d669d67741a7da96ecf2fb027d