[INFO] crate cardgames 0.2.0 is already in cache
[INFO] checking cardgames-0.2.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate cardgames 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cardgames 0.2.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] ab57af5406ab9ba0b678c56b7df6cdea3467f0319ac2ba9743f7321a6683c2b7
[INFO] running `"docker" "start" "-a" "ab57af5406ab9ba0b678c56b7df6cdea3467f0319ac2ba9743f7321a6683c2b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fraction v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking cardgames v0.2.0 (/opt/rustwide/workdir)
[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 dev [unoptimized + debuginfo] target(s) in 45.59s
[INFO] running `"docker" "inspect" "ab57af5406ab9ba0b678c56b7df6cdea3467f0319ac2ba9743f7321a6683c2b7"`
[INFO] running `"docker" "rm" "-f" "ab57af5406ab9ba0b678c56b7df6cdea3467f0319ac2ba9743f7321a6683c2b7"`
[INFO] [stdout] ab57af5406ab9ba0b678c56b7df6cdea3467f0319ac2ba9743f7321a6683c2b7