[INFO] fetching crate kaiju-vm-core 0.1.2...
[INFO] extracting crate kaiju-vm-core 0.1.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/kaiju-vm-core/0.1.2
[INFO] extracting crate kaiju-vm-core 0.1.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/kaiju-vm-core/0.1.2
[INFO] validating manifest of kaiju-vm-core-0.1.2 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 kaiju-vm-core-0.1.2 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 kaiju-vm-core-0.1.2
[INFO] finished frobbing kaiju-vm-core-0.1.2
[INFO] frobbed toml for kaiju-vm-core-0.1.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/kaiju-vm-core/0.1.2/Cargo.toml
[INFO] started frobbing kaiju-vm-core-0.1.2
[INFO] finished frobbing kaiju-vm-core-0.1.2
[INFO] frobbed toml for kaiju-vm-core-0.1.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/kaiju-vm-core/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kaiju-core v0.1.2
[INFO] [stderr]   Downloaded kaiju-compiler-core v0.1.2
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kaiju-vm-core-0.1.2 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/kaiju-vm-core/0.1.2:/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] b5ecec6a486a06ad63a302c2d8e27b168d1fe0bbfbc38b2e23d868e22f0b9abb
[INFO] running `"docker" "start" "-a" "b5ecec6a486a06ad63a302c2d8e27b168d1fe0bbfbc38b2e23d868e22f0b9abb"`
[INFO] [stderr]     Checking kaiju-core v0.1.2
[INFO] [stderr]     Checking kaiju-compiler-core v0.1.2
[INFO] [stderr]     Checking kaiju-vm-core v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vm.rs:163:22
[INFO] [stderr]     |
[INFO] [stderr] 163 |         stream: &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/vm.rs:163:22
[INFO] [stderr]     |
[INFO] [stderr] 163 |         stream: &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]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `"docker" "inspect" "b5ecec6a486a06ad63a302c2d8e27b168d1fe0bbfbc38b2e23d868e22f0b9abb"`
[INFO] running `"docker" "rm" "-f" "b5ecec6a486a06ad63a302c2d8e27b168d1fe0bbfbc38b2e23d868e22f0b9abb"`
[INFO] [stdout] b5ecec6a486a06ad63a302c2d8e27b168d1fe0bbfbc38b2e23d868e22f0b9abb