[INFO] cloning repository michaelgruenewald/brainrust
[INFO] running `"git" "clone" "--bare" "git://github.com/michaelgruenewald/brainrust.git" "work/cache/sources/gh/michaelgruenewald/brainrust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/michaelgruenewald/brainrust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelgruenewald/brainrust" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelgruenewald/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelgruenewald/brainrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelgruenewald/brainrust" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/michaelgruenewald/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/michaelgruenewald/brainrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b8e634280bdf00b787032a2876958d119bead63
[INFO] sha for GitHub repo michaelgruenewald/brainrust: 7b8e634280bdf00b787032a2876958d119bead63
[INFO] validating manifest of michaelgruenewald/brainrust 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 michaelgruenewald/brainrust 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 michaelgruenewald/brainrust
[INFO] finished frobbing michaelgruenewald/brainrust
[INFO] frobbed toml for michaelgruenewald/brainrust written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelgruenewald/brainrust/Cargo.toml
[INFO] started frobbing michaelgruenewald/brainrust
[INFO] finished frobbing michaelgruenewald/brainrust
[INFO] frobbed toml for michaelgruenewald/brainrust written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/michaelgruenewald/brainrust/Cargo.toml
[INFO] crate michaelgruenewald/brainrust 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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking michaelgruenewald/brainrust against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/michaelgruenewald/brainrust:/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] a35aa72290205110dc73f9756eae8399b29470f0ed9d048f319234127ce53132
[INFO] running `"docker" "start" "-a" "a35aa72290205110dc73f9756eae8399b29470f0ed9d048f319234127ce53132"`
[INFO] [stderr]     Checking brain_rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     input: &'a mut 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/runner.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |     output: &'a mut Write,
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new<'b>(input: &'b mut Read, output: &'b mut Write) -> State<'b> {
[INFO] [stderr]    |                                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:16:57
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new<'b>(input: &'b mut Read, output: &'b mut Write) -> State<'b> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     input: &'a mut 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/runner.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |     output: &'a mut Write,
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new<'b>(input: &'b mut Read, output: &'b mut Write) -> State<'b> {
[INFO] [stderr]    |                                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner.rs:16:57
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new<'b>(input: &'b mut Read, output: &'b mut Write) -> State<'b> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "a35aa72290205110dc73f9756eae8399b29470f0ed9d048f319234127ce53132"`
[INFO] running `"docker" "rm" "-f" "a35aa72290205110dc73f9756eae8399b29470f0ed9d048f319234127ce53132"`
[INFO] [stdout] a35aa72290205110dc73f9756eae8399b29470f0ed9d048f319234127ce53132