[INFO] cloning repository seb-odessa/callbacks
[INFO] running `"git" "clone" "--bare" "git://github.com/seb-odessa/callbacks.git" "work/cache/sources/gh/seb-odessa/callbacks"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/seb-odessa/callbacks'...
[INFO] running `"git" "clone" "work/cache/sources/gh/seb-odessa/callbacks" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/seb-odessa/callbacks"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/seb-odessa/callbacks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/seb-odessa/callbacks" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/seb-odessa/callbacks"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/seb-odessa/callbacks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e016a3ada62ae4bf05b17a64233d3411111477c7
[INFO] sha for GitHub repo seb-odessa/callbacks: e016a3ada62ae4bf05b17a64233d3411111477c7
[INFO] validating manifest of seb-odessa/callbacks 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 seb-odessa/callbacks 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 seb-odessa/callbacks
[INFO] finished frobbing seb-odessa/callbacks
[INFO] frobbed toml for seb-odessa/callbacks written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/seb-odessa/callbacks/Cargo.toml
[INFO] started frobbing seb-odessa/callbacks
[INFO] finished frobbing seb-odessa/callbacks
[INFO] frobbed toml for seb-odessa/callbacks written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/seb-odessa/callbacks/Cargo.toml
[INFO] crate seb-odessa/callbacks 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 seb-odessa/callbacks against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/seb-odessa/callbacks:/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] df03d9c9fa15a659ad783e05be0fc5cbce6e60be77899d2ea687d4b12188744e
[INFO] running `"docker" "start" "-a" "df03d9c9fa15a659ad783e05be0fc5cbce6e60be77899d2ea687d4b12188744e"`
[INFO] [stderr]     Checking callbacks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 |     callbacks : Vec<Box<FnMut(i32)>>,
[INFO] [stderr]   |                         ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[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/main.rs:8:47
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn register(&mut self, callback : Box<FnMut(i32)>) {
[INFO] [stderr]   |                                               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 |     callbacks : Vec<Box<FnMut(i32)>>,
[INFO] [stderr]   |                         ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[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/main.rs:8:47
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn register(&mut self, callback : Box<FnMut(i32)>) {
[INFO] [stderr]   |                                               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "df03d9c9fa15a659ad783e05be0fc5cbce6e60be77899d2ea687d4b12188744e"`
[INFO] running `"docker" "rm" "-f" "df03d9c9fa15a659ad783e05be0fc5cbce6e60be77899d2ea687d4b12188744e"`
[INFO] [stdout] df03d9c9fa15a659ad783e05be0fc5cbce6e60be77899d2ea687d4b12188744e