[INFO] updating cached repository https://github.com/ShotaroTsuji/simple-phom
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b53ef017d6b7b08b041bd90995a16eec8c427b2
[INFO] checking ShotaroTsuji/simple-phom against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShotaroTsuji%2Fsimple-phom" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ShotaroTsuji/simple-phom on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ShotaroTsuji/simple-phom
[INFO] finished tweaking git repo https://github.com/ShotaroTsuji/simple-phom
[INFO] tweaked toml for git repo https://github.com/ShotaroTsuji/simple-phom written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ShotaroTsuji/simple-phom already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cca519815f0f105fd6102ba3312d614949d5986a7dcec7d7d23e1756cbeb42cf
[INFO] running `"docker" "start" "-a" "cca519815f0f105fd6102ba3312d614949d5986a7dcec7d7d23e1756cbeb42cf"`
[INFO] [stderr]     Checking simple-phom v0.1.0 (/opt/rustwide/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 read: `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 read: `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 read: `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 read: `parent`
[INFO] [stderr]    --> src/z2reduction.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     parent: Pairing<'a, C>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `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 read: `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 read: `parent`
[INFO] [stderr]    --> src/z2reduction.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     parent: Pairing<'a, C>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "cca519815f0f105fd6102ba3312d614949d5986a7dcec7d7d23e1756cbeb42cf"`
[INFO] running `"docker" "rm" "-f" "cca519815f0f105fd6102ba3312d614949d5986a7dcec7d7d23e1756cbeb42cf"`
[INFO] [stdout] cca519815f0f105fd6102ba3312d614949d5986a7dcec7d7d23e1756cbeb42cf