[INFO] updating cached repository chklauser/to-uni
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chklauser/to-uni
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chklauser/to-uni" "work/ex/beta-1.38-1/sources/1.37.0/gh/chklauser/to-uni"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chklauser/to-uni'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chklauser/to-uni" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chklauser/to-uni"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chklauser/to-uni'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9210c5541f57fd3ffebfe0dbcfabb08ea76e2a7e
[INFO] sha for GitHub repo chklauser/to-uni: 9210c5541f57fd3ffebfe0dbcfabb08ea76e2a7e
[INFO] validating manifest of chklauser/to-uni 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 chklauser/to-uni 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 chklauser/to-uni
[INFO] finished frobbing chklauser/to-uni
[INFO] frobbed toml for chklauser/to-uni written to work/ex/beta-1.38-1/sources/1.37.0/gh/chklauser/to-uni/Cargo.toml
[INFO] started frobbing chklauser/to-uni
[INFO] finished frobbing chklauser/to-uni
[INFO] frobbed toml for chklauser/to-uni written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chklauser/to-uni/Cargo.toml
[INFO] crate chklauser/to-uni 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 chklauser/to-uni against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chklauser/to-uni:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a2d561acae358589d35841c92995ee4fa3af9fe28ca0fb903c23ce10ab3ac8a9
[INFO] running `"docker" "start" "-a" "a2d561acae358589d35841c92995ee4fa3af9fe28ca0fb903c23ce10ab3ac8a9"`
[INFO] [stderr]    Compiling log v0.3.5 (https://github.com/chklauser/log.git?branch=timestamp#69330959)
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.5.1 (https://github.com/chklauser/aho-corasick.git?branch=stream-chunks#e1323b98)
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling env_logger v0.3.2 (https://github.com/chklauser/log.git?branch=timestamp#69330959)
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling atomicwrites v0.2.1
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling to-uni v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:67:41
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn open(&self) -> UniResult<Box<Read>> {
[INFO] [stderr]    |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:108:51
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn open_path(path: &PathBuf) -> UniResult<Box<Write>> {
[INFO] [stderr]     |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:113:41
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn open(&self) -> UniResult<Box<Write>> {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:123:39
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn close(&self, mut file: Box<Write>) -> UniResult<()> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.02s
[INFO] running `"docker" "inspect" "a2d561acae358589d35841c92995ee4fa3af9fe28ca0fb903c23ce10ab3ac8a9"`
[INFO] running `"docker" "rm" "-f" "a2d561acae358589d35841c92995ee4fa3af9fe28ca0fb903c23ce10ab3ac8a9"`
[INFO] [stdout] a2d561acae358589d35841c92995ee4fa3af9fe28ca0fb903c23ce10ab3ac8a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chklauser/to-uni:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2b77e95889e559eddd705b13af94215d92d5d5be8a9dd8dd5d2c6a415c1812e0
[INFO] running `"docker" "start" "-a" "2b77e95889e559eddd705b13af94215d92d5d5be8a9dd8dd5d2c6a415c1812e0"`
[INFO] [stderr]    Compiling to-uni v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:103:32
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:67:41
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn open(&self) -> UniResult<Box<Read>> {
[INFO] [stderr]    |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:108:51
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn open_path(path: &PathBuf) -> UniResult<Box<Write>> {
[INFO] [stderr]     |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:113:41
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn open(&self) -> UniResult<Box<Write>> {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:123:39
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn close(&self, mut file: Box<Write>) -> UniResult<()> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "2b77e95889e559eddd705b13af94215d92d5d5be8a9dd8dd5d2c6a415c1812e0"`
[INFO] running `"docker" "rm" "-f" "2b77e95889e559eddd705b13af94215d92d5d5be8a9dd8dd5d2c6a415c1812e0"`
[INFO] [stdout] 2b77e95889e559eddd705b13af94215d92d5d5be8a9dd8dd5d2c6a415c1812e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chklauser/to-uni:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 57299cd54341b412e46d7a8640f5119662d4ab4221064bde84349dbd5c2e0bc4
[INFO] running `"docker" "start" "-a" "57299cd54341b412e46d7a8640f5119662d4ab4221064bde84349dbd5c2e0bc4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/to_uni-2096e64b9d413a5c
[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" "57299cd54341b412e46d7a8640f5119662d4ab4221064bde84349dbd5c2e0bc4"`
[INFO] running `"docker" "rm" "-f" "57299cd54341b412e46d7a8640f5119662d4ab4221064bde84349dbd5c2e0bc4"`
[INFO] [stdout] 57299cd54341b412e46d7a8640f5119662d4ab4221064bde84349dbd5c2e0bc4