[INFO] updating cached repository nthery/hexdump
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nthery/hexdump
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nthery/hexdump" "work/ex/beta-1.38-1/sources/1.37.0/gh/nthery/hexdump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nthery/hexdump'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nthery/hexdump" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nthery/hexdump"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nthery/hexdump'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9376dea74086b7f589c25c3a29b353bf402c26d9
[INFO] sha for GitHub repo nthery/hexdump: 9376dea74086b7f589c25c3a29b353bf402c26d9
[INFO] validating manifest of nthery/hexdump 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 nthery/hexdump 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 nthery/hexdump
[INFO] finished frobbing nthery/hexdump
[INFO] frobbed toml for nthery/hexdump written to work/ex/beta-1.38-1/sources/1.37.0/gh/nthery/hexdump/Cargo.toml
[INFO] started frobbing nthery/hexdump
[INFO] finished frobbing nthery/hexdump
[INFO] frobbed toml for nthery/hexdump written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nthery/hexdump/Cargo.toml
[INFO] crate nthery/hexdump 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 nthery/hexdump 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-1/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/nthery/hexdump:/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] a9c0993594fc64ac1d9009a4a91fdcc50fe15e4d4732b0952069335cb9aaa6ee
[INFO] running `"docker" "start" "-a" "a9c0993594fc64ac1d9009a4a91fdcc50fe15e4d4732b0952069335cb9aaa6ee"`
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling hexdump v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn read_up_to<'a>(rd: &mut Read, buf: &'a mut [u8]) -> Result<&'a [u8]> {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn print_line(wr: &mut Write, buf: &[u8], width: usize) -> Result<()> {
[INFO] [stderr]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:100:22
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stderr]     |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:100:37
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `"docker" "inspect" "a9c0993594fc64ac1d9009a4a91fdcc50fe15e4d4732b0952069335cb9aaa6ee"`
[INFO] running `"docker" "rm" "-f" "a9c0993594fc64ac1d9009a4a91fdcc50fe15e4d4732b0952069335cb9aaa6ee"`
[INFO] [stdout] a9c0993594fc64ac1d9009a4a91fdcc50fe15e4d4732b0952069335cb9aaa6ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/nthery/hexdump:/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] 81bc96e1117eade73cb67c26972a2903a7fff4c892fd24d8e5f00f46ba826e80
[INFO] running `"docker" "start" "-a" "81bc96e1117eade73cb67c26972a2903a7fff4c892fd24d8e5f00f46ba826e80"`
[INFO] [stderr]    Compiling hexdump v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:28
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn read_up_to<'a>(rd: &mut Read, buf: &'a mut [u8]) -> Result<&'a [u8]> {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn print_line(wr: &mut Write, buf: &[u8], width: usize) -> Result<()> {
[INFO] [stderr]    |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:100:22
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stderr]     |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:100:37
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn dump(rd: &mut Read, wr: &mut Write, width: usize) -> Result<()> {
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "81bc96e1117eade73cb67c26972a2903a7fff4c892fd24d8e5f00f46ba826e80"`
[INFO] running `"docker" "rm" "-f" "81bc96e1117eade73cb67c26972a2903a7fff4c892fd24d8e5f00f46ba826e80"`
[INFO] [stdout] 81bc96e1117eade73cb67c26972a2903a7fff4c892fd24d8e5f00f46ba826e80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/nthery/hexdump:/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] 266ad799f6caabb2963212b14b060d9c15980771b1339dba4a0fb0e38d4ba19d
[INFO] running `"docker" "start" "-a" "266ad799f6caabb2963212b14b060d9c15980771b1339dba4a0fb0e38d4ba19d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hexdump-2308ca72a13bb523
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hexdump-6fc1f3c9fb2b5802
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hexdump-74510606cb08e9bb
[INFO] [stdout] running 4 tests
[INFO] [stdout] test dump_two_bytes_on_two_lines ... ok
[INFO] [stdout] test dump_one_byte ... ok
[INFO] [stdout] test dump_empty_input ... ok
[INFO] [stdout] test dump_one_byte_when_width_greater ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hexdump
[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" "266ad799f6caabb2963212b14b060d9c15980771b1339dba4a0fb0e38d4ba19d"`
[INFO] running `"docker" "rm" "-f" "266ad799f6caabb2963212b14b060d9c15980771b1339dba4a0fb0e38d4ba19d"`
[INFO] [stdout] 266ad799f6caabb2963212b14b060d9c15980771b1339dba4a0fb0e38d4ba19d