[INFO] cloning repository dustinrohde/conway
[INFO] running `"git" "clone" "--bare" "git://github.com/dustinrohde/conway.git" "work/cache/sources/gh/dustinrohde/conway"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dustinrohde/conway'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dustinrohde/conway" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dustinrohde/conway"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dustinrohde/conway'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dustinrohde/conway" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dustinrohde/conway"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dustinrohde/conway'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4bc2698fc80fdfab86d50a15d53630fef553de00
[INFO] sha for GitHub repo dustinrohde/conway: 4bc2698fc80fdfab86d50a15d53630fef553de00
[INFO] validating manifest of dustinrohde/conway 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 dustinrohde/conway 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 dustinrohde/conway
[INFO] finished frobbing dustinrohde/conway
[INFO] frobbed toml for dustinrohde/conway written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dustinrohde/conway/Cargo.toml
[INFO] started frobbing dustinrohde/conway
[INFO] finished frobbing dustinrohde/conway
[INFO] frobbed toml for dustinrohde/conway written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dustinrohde/conway/Cargo.toml
[INFO] crate dustinrohde/conway 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dustinrohde/conway/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dustinrohde/conway against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dustinrohde/conway:/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] 3e29c799f52e1ef98661bc5831b53b3d73badfa233ecccfd2d3c262ebe23abf7
[INFO] running `"docker" "start" "-a" "3e29c799f52e1ef98661bc5831b53b3d73badfa233ecccfd2d3c262ebe23abf7"`
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking conway v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 |     WithCause(Box<AppError>, Box<Error + Send + Sync + 'static>),
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[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/lib.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 |     WithCause(Box<AppError>, Box<Error + Send + Sync + 'static>),
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[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/lib.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `transpose_result` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(transpose_result)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `transpose_result` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(transpose_result)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `"docker" "inspect" "3e29c799f52e1ef98661bc5831b53b3d73badfa233ecccfd2d3c262ebe23abf7"`
[INFO] running `"docker" "rm" "-f" "3e29c799f52e1ef98661bc5831b53b3d73badfa233ecccfd2d3c262ebe23abf7"`
[INFO] [stdout] 3e29c799f52e1ef98661bc5831b53b3d73badfa233ecccfd2d3c262ebe23abf7