[INFO] cloning repository https://github.com/denismerigoux/tarot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denismerigoux/tarot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenismerigoux%2Ftarot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenismerigoux%2Ftarot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 717f36582bf18cc2055415a83ea5e6bab0d2e719
[INFO] testing denismerigoux/tarot against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenismerigoux%2Ftarot" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denismerigoux/tarot on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/denismerigoux/tarot
[INFO] finished tweaking git repo https://github.com/denismerigoux/tarot
[INFO] tweaked toml for git repo https://github.com/denismerigoux/tarot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/denismerigoux/tarot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f0403f2a3227555a6b421989103db37e9a6d18ba6af5862ee045b2d51eb77c5
[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" "6f0403f2a3227555a6b421989103db37e9a6d18ba6af5862ee045b2d51eb77c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0403f2a3227555a6b421989103db37e9a6d18ba6af5862ee045b2d51eb77c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0403f2a3227555a6b421989103db37e9a6d18ba6af5862ee045b2d51eb77c5", kill_on_drop: false }`
[INFO] [stdout] 6f0403f2a3227555a6b421989103db37e9a6d18ba6af5862ee045b2d51eb77c5
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", 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] 752e89b1c28aa9075d406673365f68618831d25a182ea24b48027ecc3ddca9fb
[INFO] running `Command { std: "docker" "start" "-a" "752e89b1c28aa9075d406673365f68618831d25a182ea24b48027ecc3ddca9fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling tarot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:131:26
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn sort_by_playing_order(mut players: &mut Vec<Player>, starting_player_id: i32) {
[INFO] [stdout]     |                          ----^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:282:19
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn deal_with_fool(mut cards_played: &mut Heap,
[INFO] [stdout]     |                   ----^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:283:19
[INFO] [stdout]     |
[INFO] [stdout] 283 |                   mut game: &mut Game,
[INFO] [stdout]     |                   ----^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ai.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn exchange_dog(mut players: &mut Vec<game::Player>,
[INFO] [stdout]    |                     ----^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "752e89b1c28aa9075d406673365f68618831d25a182ea24b48027ecc3ddca9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752e89b1c28aa9075d406673365f68618831d25a182ea24b48027ecc3ddca9fb", kill_on_drop: false }`
[INFO] [stdout] 752e89b1c28aa9075d406673365f68618831d25a182ea24b48027ecc3ddca9fb
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 38aa239c0020c09d133a66fa9739bc469c53bde65084614745375e2e35d8389d
[INFO] running `Command { std: "docker" "start" "-a" "38aa239c0020c09d133a66fa9739bc469c53bde65084614745375e2e35d8389d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tarot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:131:26
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn sort_by_playing_order(mut players: &mut Vec<Player>, starting_player_id: i32) {
[INFO] [stdout]     |                          ----^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:282:19
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn deal_with_fool(mut cards_played: &mut Heap,
[INFO] [stdout]     |                   ----^^^^^^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/game.rs:283:19
[INFO] [stdout]     |
[INFO] [stdout] 283 |                   mut game: &mut Game,
[INFO] [stdout]     |                   ----^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ai.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn exchange_dog(mut players: &mut Vec<game::Player>,
[INFO] [stdout]    |                     ----^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38aa239c0020c09d133a66fa9739bc469c53bde65084614745375e2e35d8389d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38aa239c0020c09d133a66fa9739bc469c53bde65084614745375e2e35d8389d", kill_on_drop: false }`
[INFO] [stdout] 38aa239c0020c09d133a66fa9739bc469c53bde65084614745375e2e35d8389d
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76bee9710b2fcba33bae24a482a4ac65d3bf51f17259629ca444058bad60a387
[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" "76bee9710b2fcba33bae24a482a4ac65d3bf51f17259629ca444058bad60a387", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game.rs:131:26
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn sort_by_playing_order(mut players: &mut Vec<Player>, starting_player_id: i32) {
[INFO] [stderr]     |                          ----^^^^^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game.rs:282:19
[INFO] [stderr]     |
[INFO] [stderr] 282 | fn deal_with_fool(mut cards_played: &mut Heap,
[INFO] [stderr]     |                   ----^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game.rs:283:19
[INFO] [stderr]     |
[INFO] [stderr] 283 |                   mut game: &mut Game,
[INFO] [stderr]     |                   ----^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ai.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn exchange_dog(mut players: &mut Vec<game::Player>,
[INFO] [stderr]    |                     ----^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tarot-b66c485b06e329e4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76bee9710b2fcba33bae24a482a4ac65d3bf51f17259629ca444058bad60a387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bee9710b2fcba33bae24a482a4ac65d3bf51f17259629ca444058bad60a387", kill_on_drop: false }`
[INFO] [stdout] 76bee9710b2fcba33bae24a482a4ac65d3bf51f17259629ca444058bad60a387
