[INFO] fetching crate cardgames 0.2.0...
[INFO] testing cardgames-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate cardgames 0.2.0 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate cardgames 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cardgames 0.2.0
[INFO] finished tweaking crates.io crate cardgames 0.2.0
[INFO] tweaked toml for crates.io crate cardgames 0.2.0 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f3055ea4042983a6e635c53d91b988b0c1497fe4679fed6be68fb293086d74a
[INFO] running `Command { std: "docker" "start" "-a" "1f3055ea4042983a6e635c53d91b988b0c1497fe4679fed6be68fb293086d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3055ea4042983a6e635c53d91b988b0c1497fe4679fed6be68fb293086d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3055ea4042983a6e635c53d91b988b0c1497fe4679fed6be68fb293086d74a", kill_on_drop: false }`
[INFO] [stdout] 1f3055ea4042983a6e635c53d91b988b0c1497fe4679fed6be68fb293086d74a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83679092fd8278abf59f7c03f31f341e7a3e4aa1153307704ed21a8c6489d764
[INFO] running `Command { std: "docker" "start" "-a" "83679092fd8278abf59f7c03f31f341e7a3e4aa1153307704ed21a8c6489d764", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling fraction v0.6.3
[INFO] [stderr]    Compiling cardgames v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/games/briscola.rs:209:30
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/games/briscola.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/games/beccaccino.rs:219:30
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/games/beccaccino.rs:219:47
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.93s
[INFO] running `Command { std: "docker" "inspect" "83679092fd8278abf59f7c03f31f341e7a3e4aa1153307704ed21a8c6489d764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83679092fd8278abf59f7c03f31f341e7a3e4aa1153307704ed21a8c6489d764", kill_on_drop: false }`
[INFO] [stdout] 83679092fd8278abf59f7c03f31f341e7a3e4aa1153307704ed21a8c6489d764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8147592ea731dd7222ad0ceb8cd7b481f9b51ede3038771e754fe9c906e11dc
[INFO] running `Command { std: "docker" "start" "-a" "d8147592ea731dd7222ad0ceb8cd7b481f9b51ede3038771e754fe9c906e11dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/games/briscola.rs:209:30
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/games/briscola.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cardgames v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/games/beccaccino.rs:219:30
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/games/beccaccino.rs:219:47
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/games/briscola.rs:209:30
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/games/briscola.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/games/beccaccino.rs:219:30
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/games/beccaccino.rs:219:47
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "d8147592ea731dd7222ad0ceb8cd7b481f9b51ede3038771e754fe9c906e11dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8147592ea731dd7222ad0ceb8cd7b481f9b51ede3038771e754fe9c906e11dc", kill_on_drop: false }`
[INFO] [stdout] d8147592ea731dd7222ad0ceb8cd7b481f9b51ede3038771e754fe9c906e11dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33d0b66eb32ef501a1f10f585b5c75b4a0aeae8323013634c082405643c65558
[INFO] running `Command { std: "docker" "start" "-a" "33d0b66eb32ef501a1f10f585b5c75b4a0aeae8323013634c082405643c65558", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/games/briscola.rs:209:30
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/games/briscola.rs:209:47
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/games/beccaccino.rs:219:30
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/games/beccaccino.rs:219:47
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/games/briscola.rs:209:30
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/games/briscola.rs:209:47
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/games/beccaccino.rs:219:30
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/games/beccaccino.rs:219:47
[INFO] [stderr]     |
[INFO] [stderr] 219 |     fn handle_message(&self, message: String, from: Player) -> Vec<GameStatus> {
[INFO] [stderr]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cardgames-5ccffd2dc8211239)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests cardgames
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33d0b66eb32ef501a1f10f585b5c75b4a0aeae8323013634c082405643c65558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d0b66eb32ef501a1f10f585b5c75b4a0aeae8323013634c082405643c65558", kill_on_drop: false }`
[INFO] [stdout] 33d0b66eb32ef501a1f10f585b5c75b4a0aeae8323013634c082405643c65558
