[INFO] updating cached repository michaelgruenewald/brainrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelgruenewald/brainrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelgruenewald/brainrust" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/michaelgruenewald/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/michaelgruenewald/brainrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelgruenewald/brainrust" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/michaelgruenewald/brainrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of michaelgruenewald/brainrust on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/michaelgruenewald/brainrust/Cargo.toml
[INFO] crate michaelgruenewald/brainrust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking michaelgruenewald/brainrust against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/michaelgruenewald/brainrust:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 060ba99518d61bc5441e5a34665638ea7a0d867fdc78b309a33685496a7803bd
[INFO] running `"docker" "start" "-a" "060ba99518d61bc5441e5a34665638ea7a0d867fdc78b309a33685496a7803bd"`
[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 1.00s
[INFO] running `"docker" "inspect" "060ba99518d61bc5441e5a34665638ea7a0d867fdc78b309a33685496a7803bd"`
[INFO] running `"docker" "rm" "-f" "060ba99518d61bc5441e5a34665638ea7a0d867fdc78b309a33685496a7803bd"`
[INFO] [stdout] 060ba99518d61bc5441e5a34665638ea7a0d867fdc78b309a33685496a7803bd