[INFO] updating cached repository https://github.com/PurpleBooth/kata-tennis
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 355822b4f3b82dd0d31edef56ac0fdae99b719be
[INFO] checking PurpleBooth/kata-tennis against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Fkata-tennis" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PurpleBooth/kata-tennis on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PurpleBooth/kata-tennis
[INFO] finished tweaking git repo https://github.com/PurpleBooth/kata-tennis
[INFO] tweaked toml for git repo https://github.com/PurpleBooth/kata-tennis written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/PurpleBooth/kata-tennis already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 256fa44c0873bbab4984004f50463f068f10e7fb88a7398adf29f1dc1849eef5
[INFO] running `"docker" "start" "-a" "256fa44c0873bbab4984004f50463f068f10e7fb88a7398adf29f1dc1849eef5"`
[INFO] [stderr]     Checking kata-tennis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl std::fmt::Display for Call {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Call`
[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:125:43
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn score_to_call(score: u8) -> Option<Box<Call>> {
[INFO] [stderr]     |                                           ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl std::fmt::Display for Call {
[INFO] [stderr]    |                            ^^^^ help: use `dyn`: `dyn Call`
[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:125:43
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn score_to_call(score: u8) -> Option<Box<Call>> {
[INFO] [stderr]     |                                           ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> src/lib.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn add(&self, point: Point) -> Result<Score, String> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_point`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn new(player: &'p Player) -> Point<'p> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> src/lib.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn add(&self, point: Point) -> Result<Score, String> {
[INFO] [stderr]    |                   ^^^^^ help: consider prefixing with an underscore: `_point`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "256fa44c0873bbab4984004f50463f068f10e7fb88a7398adf29f1dc1849eef5"`
[INFO] running `"docker" "rm" "-f" "256fa44c0873bbab4984004f50463f068f10e7fb88a7398adf29f1dc1849eef5"`
[INFO] [stdout] 256fa44c0873bbab4984004f50463f068f10e7fb88a7398adf29f1dc1849eef5