[INFO] cloning repository ShotaroTsuji/simple-phom
[INFO] running `"git" "clone" "--bare" "git://github.com/ShotaroTsuji/simple-phom.git" "work/cache/sources/gh/ShotaroTsuji/simple-phom"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ShotaroTsuji/simple-phom'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ShotaroTsuji/simple-phom" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ShotaroTsuji/simple-phom"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ShotaroTsuji/simple-phom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ShotaroTsuji/simple-phom" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ShotaroTsuji/simple-phom"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ShotaroTsuji/simple-phom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b53ef017d6b7b08b041bd90995a16eec8c427b2
[INFO] sha for GitHub repo ShotaroTsuji/simple-phom: 7b53ef017d6b7b08b041bd90995a16eec8c427b2
[INFO] validating manifest of ShotaroTsuji/simple-phom 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 ShotaroTsuji/simple-phom 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 ShotaroTsuji/simple-phom
[INFO] finished frobbing ShotaroTsuji/simple-phom
[INFO] frobbed toml for ShotaroTsuji/simple-phom written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ShotaroTsuji/simple-phom/Cargo.toml
[INFO] started frobbing ShotaroTsuji/simple-phom
[INFO] finished frobbing ShotaroTsuji/simple-phom
[INFO] frobbed toml for ShotaroTsuji/simple-phom written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ShotaroTsuji/simple-phom/Cargo.toml
[INFO] crate ShotaroTsuji/simple-phom 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking ShotaroTsuji/simple-phom against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ShotaroTsuji/simple-phom:/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] 4e7f22d853bfb32cc3b4f07bcb1e264041494dd5e27d52fc98342b1d07fd84d2
[INFO] running `"docker" "start" "-a" "4e7f22d853bfb32cc3b4f07bcb1e264041494dd5e27d52fc98342b1d07fd84d2"`
[INFO] [stderr]     Checking simple-phom v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filteredcomplex.rs:22:32
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/filteredcomplex.rs:22:32
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dimension`
[INFO] [stderr]    --> src/z2reduction.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     dimension: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `birth`
[INFO] [stderr]    --> src/z2reduction.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     birth: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `death`
[INFO] [stderr]    --> src/z2reduction.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     death: Option<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `parent`
[INFO] [stderr]    --> src/z2reduction.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     parent: Pairing<'a, C>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dimension`
[INFO] [stderr]    --> src/z2reduction.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     dimension: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `birth`
[INFO] [stderr]    --> src/z2reduction.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     birth: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `death`
[INFO] [stderr]    --> src/z2reduction.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     death: Option<usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `parent`
[INFO] [stderr]    --> src/z2reduction.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     parent: Pairing<'a, C>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "4e7f22d853bfb32cc3b4f07bcb1e264041494dd5e27d52fc98342b1d07fd84d2"`
[INFO] running `"docker" "rm" "-f" "4e7f22d853bfb32cc3b4f07bcb1e264041494dd5e27d52fc98342b1d07fd84d2"`
[INFO] [stdout] 4e7f22d853bfb32cc3b4f07bcb1e264041494dd5e27d52fc98342b1d07fd84d2