[INFO] updating cached repository lavish-lang/lavish-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lavish-lang/lavish-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lavish-lang/lavish-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/lavish-lang/lavish-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lavish-lang/lavish-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lavish-lang/lavish-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lavish-lang/lavish-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lavish-lang/lavish-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a8ae5c09c02c6ca77f63c25a2753a09e8cdb80fe
[INFO] sha for GitHub repo lavish-lang/lavish-rs: a8ae5c09c02c6ca77f63c25a2753a09e8cdb80fe
[INFO] validating manifest of lavish-lang/lavish-rs 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 lavish-lang/lavish-rs 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 lavish-lang/lavish-rs
[INFO] finished frobbing lavish-lang/lavish-rs
[INFO] frobbed toml for lavish-lang/lavish-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/lavish-lang/lavish-rs/Cargo.toml
[INFO] started frobbing lavish-lang/lavish-rs
[INFO] finished frobbing lavish-lang/lavish-rs
[INFO] frobbed toml for lavish-lang/lavish-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lavish-lang/lavish-rs/Cargo.toml
[INFO] crate lavish-lang/lavish-rs 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 lavish-lang/lavish-rs 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/lavish-lang/lavish-rs:/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] c084cb4d103b19b427feadb0befb34a26c2949f0dc5cae8a3ff8a5bde56a101b
[INFO] running `"docker" "start" "-a" "c084cb4d103b19b427feadb0befb34a26c2949f0dc5cae8a3ff8a5bde56a101b"`
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling lavish v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/system.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn try_clone(&self) -> io::Result<Box<Conn>>;
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[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/system.rs:24:43
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn try_clone(&self) -> io::Result<Box<Conn>> {
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/system.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 |     shutdown_handle: Box<Conn>,
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/system.rs:317:26
[INFO] [stderr]     |
[INFO] [stderr] 317 |     shutdown_handle: Box<Conn>,
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/system.rs:351:15
[INFO] [stderr]     |
[INFO] [stderr] 351 |     conn: Box<Conn>,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/system.rs:369:15
[INFO] [stderr]     |
[INFO] [stderr] 369 |     conn: Box<Conn>,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:526:22
[INFO] [stderr]     |
[INFO] [stderr] 526 |         (&self.0 as &std::ops::Deref<Target = [u8]>).deref()
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::ops::Deref<Target = [u8]>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `"docker" "inspect" "c084cb4d103b19b427feadb0befb34a26c2949f0dc5cae8a3ff8a5bde56a101b"`
[INFO] running `"docker" "rm" "-f" "c084cb4d103b19b427feadb0befb34a26c2949f0dc5cae8a3ff8a5bde56a101b"`
[INFO] [stdout] c084cb4d103b19b427feadb0befb34a26c2949f0dc5cae8a3ff8a5bde56a101b
[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/lavish-lang/lavish-rs:/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] 41b6b5ee8226d149f9c9788cd26aac9c544bad5b78c72293c16af69501e47c6e
[INFO] running `"docker" "start" "-a" "41b6b5ee8226d149f9c9788cd26aac9c544bad5b78c72293c16af69501e47c6e"`
[INFO] [stderr]    Compiling netbuf v0.4.1
[INFO] [stderr]    Compiling lavish v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/system.rs:19:43
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn try_clone(&self) -> io::Result<Box<Conn>>;
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[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/system.rs:24:43
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn try_clone(&self) -> io::Result<Box<Conn>> {
[INFO] [stderr]    |                                           ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/system.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 |     shutdown_handle: Box<Conn>,
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/system.rs:317:26
[INFO] [stderr]     |
[INFO] [stderr] 317 |     shutdown_handle: Box<Conn>,
[INFO] [stderr]     |                          ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/system.rs:351:15
[INFO] [stderr]     |
[INFO] [stderr] 351 |     conn: Box<Conn>,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/system.rs:369:15
[INFO] [stderr]     |
[INFO] [stderr] 369 |     conn: Box<Conn>,
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Conn`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:526:22
[INFO] [stderr]     |
[INFO] [stderr] 526 |         (&self.0 as &std::ops::Deref<Target = [u8]>).deref()
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::ops::Deref<Target = [u8]>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:841:36
[INFO] [stderr]     |
[INFO] [stderr] 841 |     fn numbers() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:856:34
[INFO] [stderr]     |
[INFO] [stderr] 856 |     fn bools() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:864:36
[INFO] [stderr]     |
[INFO] [stderr] 864 |     fn strings() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:873:39
[INFO] [stderr]     |
[INFO] [stderr] 873 |     fn timestamps() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:878:29
[INFO] [stderr]     |
[INFO] [stderr] 878 |         ) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:921:35
[INFO] [stderr]     |
[INFO] [stderr] 921 |     fn arrays() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:929:33
[INFO] [stderr]     |
[INFO] [stderr] 929 |     fn maps() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:942:33
[INFO] [stderr]     |
[INFO] [stderr] 942 |     fn bins() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:964:48
[INFO] [stderr]     |
[INFO] [stderr] 964 |     fn cycle_simple<T>(l: T) -> Result<(), Box<std::error::Error>>
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facts/mod.rs:971:56
[INFO] [stderr]     |
[INFO] [stderr] 971 |     fn cycle<T, M>(mapping: M, l: T) -> Result<(), Box<std::error::Error>>
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `"docker" "inspect" "41b6b5ee8226d149f9c9788cd26aac9c544bad5b78c72293c16af69501e47c6e"`
[INFO] running `"docker" "rm" "-f" "41b6b5ee8226d149f9c9788cd26aac9c544bad5b78c72293c16af69501e47c6e"`
[INFO] [stdout] 41b6b5ee8226d149f9c9788cd26aac9c544bad5b78c72293c16af69501e47c6e
[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/lavish-lang/lavish-rs:/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] 4edc6fae5450654d2a65b851e29a8dd8a2fe5338e233977df515a66cc5ad5291
[INFO] running `"docker" "start" "-a" "4edc6fae5450654d2a65b851e29a8dd8a2fe5338e233977df515a66cc5ad5291"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lavish-65930feb3b6e4621
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test facts::tests::maps ... ok
[INFO] [stdout] test facts::tests::bools ... ok
[INFO] [stdout] test facts::tests::arrays ... ok
[INFO] [stdout] test facts::tests::bins ... ok
[INFO] [stdout] test message::tests::internal ... ok
[INFO] [stdout] test facts::tests::timestamps ... ok
[INFO] [stdout] test facts::tests::strings ... ok
[INFO] [stdout] test facts::tests::numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lavish
[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" "4edc6fae5450654d2a65b851e29a8dd8a2fe5338e233977df515a66cc5ad5291"`
[INFO] running `"docker" "rm" "-f" "4edc6fae5450654d2a65b851e29a8dd8a2fe5338e233977df515a66cc5ad5291"`
[INFO] [stdout] 4edc6fae5450654d2a65b851e29a8dd8a2fe5338e233977df515a66cc5ad5291