[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/lavish-lang/lavish-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/lavish-lang/lavish-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lavish-lang/lavish-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/lavish-lang/lavish-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lavish-lang/lavish-rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lavish-lang/lavish-rs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] da7cbe29a7798c9e3976d4f75131d092f5a834b959af9a210e6e73fdb12c1ae7
[INFO] running `"docker" "start" "-a" "da7cbe29a7798c9e3976d4f75131d092f5a834b959af9a210e6e73fdb12c1ae7"`
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking 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/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 4.24s
[INFO] running `"docker" "inspect" "da7cbe29a7798c9e3976d4f75131d092f5a834b959af9a210e6e73fdb12c1ae7"`
[INFO] running `"docker" "rm" "-f" "da7cbe29a7798c9e3976d4f75131d092f5a834b959af9a210e6e73fdb12c1ae7"`
[INFO] [stdout] da7cbe29a7798c9e3976d4f75131d092f5a834b959af9a210e6e73fdb12c1ae7