[INFO] updating cached repository https://github.com/zackmdavis/Jubilant
[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] c2f87566db904e3fc7cef3684171617852ea4267
[INFO] checking zackmdavis/Jubilant against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FJubilant" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zackmdavis/Jubilant on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zackmdavis/Jubilant
[INFO] finished tweaking git repo https://github.com/zackmdavis/Jubilant
[INFO] tweaked toml for git repo https://github.com/zackmdavis/Jubilant written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zackmdavis/Jubilant already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 372b7855404ec44b903928b4d439b9c749379b02dbbd9171150659fe2fcfabb0
[INFO] running `"docker" "start" "-a" "372b7855404ec44b903928b4d439b9c749379b02dbbd9171150659fe2fcfabb0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking jubilant_hidden_information_fireworks_game v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:68:22
[INFO] [stderr]    |
[INFO] [stderr] 68 |     players: Vec<Box<Player>>,
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Player`
[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/game.rs:110:22
[INFO] [stderr]     |
[INFO] [stderr] 110 |             ) as Box<Player>
[INFO] [stderr]     |                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prior_distribution`
[INFO] [stderr]   --> src/player.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let prior_distribution = Distribution::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_prior_distribution`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:68:22
[INFO] [stderr]    |
[INFO] [stderr] 68 |     players: Vec<Box<Player>>,
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Player`
[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/game.rs:110:22
[INFO] [stderr]     |
[INFO] [stderr] 110 |             ) as Box<Player>
[INFO] [stderr]     |                      ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `"docker" "inspect" "372b7855404ec44b903928b4d439b9c749379b02dbbd9171150659fe2fcfabb0"`
[INFO] running `"docker" "rm" "-f" "372b7855404ec44b903928b4d439b9c749379b02dbbd9171150659fe2fcfabb0"`
[INFO] [stdout] 372b7855404ec44b903928b4d439b9c749379b02dbbd9171150659fe2fcfabb0