[INFO] cloning repository https://github.com/PurpleBooth/kata-tennis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PurpleBooth/kata-tennis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Fkata-tennis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Fkata-tennis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 355822b4f3b82dd0d31edef56ac0fdae99b719be
[INFO] checking PurpleBooth/kata-tennis against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurpleBooth%2Fkata-tennis" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PurpleBooth/kata-tennis on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/PurpleBooth/kata-tennis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a1dd117905464e7a26327f70592d394cd4204396ea33fc3bb596b58ff73c8d4
[INFO] running `Command { std: "docker" "start" "-a" "6a1dd117905464e7a26327f70592d394cd4204396ea33fc3bb596b58ff73c8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1dd117905464e7a26327f70592d394cd4204396ea33fc3bb596b58ff73c8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1dd117905464e7a26327f70592d394cd4204396ea33fc3bb596b58ff73c8d4", kill_on_drop: false }`
[INFO] [stdout] 6a1dd117905464e7a26327f70592d394cd4204396ea33fc3bb596b58ff73c8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e76e95aeca03c64abdb442b8cbc51fb20e6d499037b374a16129256245482dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e76e95aeca03c64abdb442b8cbc51fb20e6d499037b374a16129256245482dc", kill_on_drop: false }`
[INFO] [stderr]     Checking kata-tennis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl std::fmt::Display for Call {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:125:43
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn score_to_call(score: u8) -> Option<Box<Call>> {
[INFO] [stdout]     |                                           ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl std::fmt::Display for Call {
[INFO] [stdout]    |                            ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:125:43
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn score_to_call(score: u8) -> Option<Box<Call>> {
[INFO] [stdout]     |                                           ^^^^ help: use `dyn`: `dyn Call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/lib.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn add(&self, point: Point) -> Result<Score, String> {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn new(player: &'p Player) -> Point<'p> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/lib.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn add(&self, point: Point) -> Result<Score, String> {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "0e76e95aeca03c64abdb442b8cbc51fb20e6d499037b374a16129256245482dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e76e95aeca03c64abdb442b8cbc51fb20e6d499037b374a16129256245482dc", kill_on_drop: false }`
[INFO] [stdout] 0e76e95aeca03c64abdb442b8cbc51fb20e6d499037b374a16129256245482dc