[INFO] updating cached repository rtomchinsky/brainfuck-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rtomchinsky/brainfuck-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rtomchinsky/brainfuck-rs" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/rtomchinsky/brainfuck-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/rtomchinsky/brainfuck-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rtomchinsky/brainfuck-rs" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/rtomchinsky/brainfuck-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/rtomchinsky/brainfuck-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c82a51a5ad11f626a1f175e4fe3c081cc4377cd0
[INFO] sha for GitHub repo rtomchinsky/brainfuck-rs: c82a51a5ad11f626a1f175e4fe3c081cc4377cd0
[INFO] validating manifest of rtomchinsky/brainfuck-rs on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rtomchinsky/brainfuck-rs on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rtomchinsky/brainfuck-rs
[INFO] finished frobbing rtomchinsky/brainfuck-rs
[INFO] frobbed toml for rtomchinsky/brainfuck-rs written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/rtomchinsky/brainfuck-rs/Cargo.toml
[INFO] started frobbing rtomchinsky/brainfuck-rs
[INFO] finished frobbing rtomchinsky/brainfuck-rs
[INFO] frobbed toml for rtomchinsky/brainfuck-rs written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/rtomchinsky/brainfuck-rs/Cargo.toml
[INFO] crate rtomchinsky/brainfuck-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rtomchinsky/brainfuck-rs against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/rtomchinsky/brainfuck-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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 69c94f27de6ac020c6f325279d420ef6c4e2baa03ddad1b7fcd05344d613a5e6
[INFO] running `"docker" "start" "-a" "69c94f27de6ac020c6f325279d420ef6c4e2baa03ddad1b7fcd05344d613a5e6"`
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     output: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[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/brainfuck.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     input: 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/brainfuck.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:74:45
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[INFO] [stderr]    |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:74:64
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: 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/brainfuck.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     output: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[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/brainfuck.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     input: 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/brainfuck.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(input: Box<Read>, output: Box<Write>) -> BrainfuckContext {
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:74:45
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[INFO] [stderr]    |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brainfuck.rs:74:64
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn brainfuck(source: String, input: Box<Read>, output: Box<Write>) {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "69c94f27de6ac020c6f325279d420ef6c4e2baa03ddad1b7fcd05344d613a5e6"`
[INFO] running `"docker" "rm" "-f" "69c94f27de6ac020c6f325279d420ef6c4e2baa03ddad1b7fcd05344d613a5e6"`
[INFO] [stdout] 69c94f27de6ac020c6f325279d420ef6c4e2baa03ddad1b7fcd05344d613a5e6