[INFO] updating cached repository rrichardson/lout
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rrichardson/lout
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rrichardson/lout" "work/ex/beta-1.38-1/sources/1.37.0/gh/rrichardson/lout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rrichardson/lout'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rrichardson/lout" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rrichardson/lout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rrichardson/lout'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a70f4a54f0c5bea8af9a8f4db084d4012cf7786b
[INFO] sha for GitHub repo rrichardson/lout: a70f4a54f0c5bea8af9a8f4db084d4012cf7786b
[INFO] validating manifest of rrichardson/lout 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 rrichardson/lout 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 rrichardson/lout
[INFO] finished frobbing rrichardson/lout
[INFO] frobbed toml for rrichardson/lout written to work/ex/beta-1.38-1/sources/1.37.0/gh/rrichardson/lout/Cargo.toml
[INFO] started frobbing rrichardson/lout
[INFO] finished frobbing rrichardson/lout
[INFO] frobbed toml for rrichardson/lout written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rrichardson/lout/Cargo.toml
[INFO] crate rrichardson/lout 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 rrichardson/lout 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rrichardson/lout:/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] ec8634c78acb369ba9c5269495782dc9c9501531f793ae47d7f4c5e4e21f467f
[INFO] running `"docker" "start" "-a" "ec8634c78acb369ba9c5269495782dc9c9501531f793ae47d7f4c5e4e21f467f"`
[INFO] [stderr] warning: unused manifest key: profile.bench.features
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling fallible-iterator v0.1.3
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling maplit v0.1.4
[INFO] [stderr]    Compiling md5 v0.3.3
[INFO] [stderr]    Compiling bufstream v0.1.2
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling snap v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling bytes v0.4.0
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling postgres-protocol v0.2.0
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling serde_json v0.9.6
[INFO] [stderr]    Compiling postgres-shared v0.1.1
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling flate2 v0.2.17
[INFO] [stderr]    Compiling postgres v0.13.6
[INFO] [stderr]    Compiling serde_derive v0.9.7
[INFO] [stderr]    Compiling serde_urlencoded v0.3.0
[INFO] [stderr]    Compiling Inflector v0.7.0
[INFO] [stderr]    Compiling env_logger v0.4.0
[INFO] [stderr]    Compiling native-tls v0.1.1
[INFO] [stderr]    Compiling rusoto_codegen v0.7.0
[INFO] [stderr]    Compiling reqwest v0.3.0
[INFO] [stderr]    Compiling hyper-openssl v0.2.2
[INFO] [stderr]    Compiling hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling rs-es v0.9.0
[INFO] [stderr]    Compiling rusoto_credential v0.5.0
[INFO] [stderr]    Compiling rusoto v0.23.0
[INFO] [stderr]    Compiling lout v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(drop_types_in_const)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gelf.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn decompressor(&self,  r : Message) -> Box<Read> {
[INFO] [stderr]    |                                                 ^^^^ help: use `dyn`: `dyn Read`
[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/gelf.rs:39:78
[INFO] [stderr]    |
[INFO] [stderr] 39 |             GelfMagic::Gz     => Box::new(GzDecoder::new(r).unwrap()) as 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/gelf.rs:40:72
[INFO] [stderr]    |
[INFO] [stderr] 40 |             GelfMagic::Snappy => Box::new(snap::Reader::new(r)) as 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/gelf.rs:41:85
[INFO] [stderr]    |
[INFO] [stderr] 41 |             GelfMagic::Plain  => Box::new(BufReader::with_capacity(2048, r)) as 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/gelf.rs:178:81
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     .map(|m| Box::new(BufReader::with_capacity(2048, m)) as Box<Read> )
[INFO] [stderr]     |                                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/output/postgres.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `csv::Result as CSVResult`
[INFO] [stderr]  --> src/output/translator.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use csv::Result as CSVResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufMut`
[INFO] [stderr]   --> src/main.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 | use bytes::{BytesMut, BufMut};
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `lout`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ec8634c78acb369ba9c5269495782dc9c9501531f793ae47d7f4c5e4e21f467f"`
[INFO] running `"docker" "rm" "-f" "ec8634c78acb369ba9c5269495782dc9c9501531f793ae47d7f4c5e4e21f467f"`
[INFO] [stdout] ec8634c78acb369ba9c5269495782dc9c9501531f793ae47d7f4c5e4e21f467f