[INFO] cloning repository chklauser/to-uni
[INFO] running `"git" "clone" "--bare" "git://github.com/chklauser/to-uni.git" "work/cache/sources/gh/chklauser/to-uni"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/chklauser/to-uni'...
[INFO] running `"git" "clone" "work/cache/sources/gh/chklauser/to-uni" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/chklauser/to-uni"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/chklauser/to-uni'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chklauser/to-uni" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/chklauser/to-uni"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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 master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chklauser/to-uni on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/chklauser/to-uni/Cargo.toml
[INFO] crate chklauser/to-uni already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/chklauser/aho-corasick.git`
[INFO] [stderr]     Updating git repository `https://github.com/chklauser/log.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomicwrites v0.2.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking chklauser/to-uni against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/chklauser/to-uni:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c5412ab83e13114af374ff2b8cbd7c56144f37ea36e454f175dee73a5c104e68
[INFO] running `"docker" "start" "-a" "c5412ab83e13114af374ff2b8cbd7c56144f37ea36e454f175dee73a5c104e68"`
[INFO] [stderr]     Checking serde v1.0.54
[INFO] [stderr]     Checking log v0.3.5 (https://github.com/chklauser/log.git?branch=timestamp#69330959)
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.5.1 (https://github.com/chklauser/aho-corasick.git?branch=stream-chunks#e1323b98)
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.54
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking env_logger v0.3.2 (https://github.com/chklauser/log.git?branch=timestamp#69330959)
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking atomicwrites v0.2.1
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking 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] 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 18.06s
[INFO] running `"docker" "inspect" "c5412ab83e13114af374ff2b8cbd7c56144f37ea36e454f175dee73a5c104e68"`
[INFO] running `"docker" "rm" "-f" "c5412ab83e13114af374ff2b8cbd7c56144f37ea36e454f175dee73a5c104e68"`
[INFO] [stdout] c5412ab83e13114af374ff2b8cbd7c56144f37ea36e454f175dee73a5c104e68