[INFO] cloning repository https://github.com/zackmdavis/Jubilant
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zackmdavis/Jubilant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FJubilant"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FJubilant'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2f87566db904e3fc7cef3684171617852ea4267
[INFO] testing zackmdavis/Jubilant against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FJubilant" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zackmdavis/Jubilant on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-7/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b91d2461da3a5d6c9db6a380e1ccad1974b4ce9f0834416ad60ed9b209841ac5
[INFO] running `"docker" "start" "-a" "b91d2461da3a5d6c9db6a380e1ccad1974b4ce9f0834416ad60ed9b209841ac5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `"docker" "inspect" "b91d2461da3a5d6c9db6a380e1ccad1974b4ce9f0834416ad60ed9b209841ac5"`
[INFO] running `"docker" "rm" "-f" "b91d2461da3a5d6c9db6a380e1ccad1974b4ce9f0834416ad60ed9b209841ac5"`
[INFO] [stdout] b91d2461da3a5d6c9db6a380e1ccad1974b4ce9f0834416ad60ed9b209841ac5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10143febbf31e6df9eacc53898749851b73d3fe548c2a16f262b74f2f3eb120b
[INFO] running `"docker" "start" "-a" "10143febbf31e6df9eacc53898749851b73d3fe548c2a16f262b74f2f3eb120b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling 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: if this is intentional, prefix it with an underscore: `_prior_distribution`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "10143febbf31e6df9eacc53898749851b73d3fe548c2a16f262b74f2f3eb120b"`
[INFO] running `"docker" "rm" "-f" "10143febbf31e6df9eacc53898749851b73d3fe548c2a16f262b74f2f3eb120b"`
[INFO] [stdout] 10143febbf31e6df9eacc53898749851b73d3fe548c2a16f262b74f2f3eb120b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b232237edec2ca73f59fe8d7ef61160ba96423096da286659bf64fcc4d84c4e1
[INFO] running `"docker" "start" "-a" "b232237edec2ca73f59fe8d7ef61160ba96423096da286659bf64fcc4d84c4e1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: if this is intentional, prefix it with an underscore: `_prior_distribution`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jubilant_hidden_information_fireworks_game-41b5336efd107056
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test player::tests::concerning_initial_knowledge ... ok
[INFO] [stdout] test distribution::tests::concerning_intial_entropy ... ok
[INFO] [stdout] test game::tests::concerning_a_new_game ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b232237edec2ca73f59fe8d7ef61160ba96423096da286659bf64fcc4d84c4e1"`
[INFO] running `"docker" "rm" "-f" "b232237edec2ca73f59fe8d7ef61160ba96423096da286659bf64fcc4d84c4e1"`
[INFO] [stdout] b232237edec2ca73f59fe8d7ef61160ba96423096da286659bf64fcc4d84c4e1