[INFO] fetching crate brydz_core 0.5.0...
[INFO] checking brydz_core-0.5.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate brydz_core 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate brydz_core 0.5.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brydz_core 0.5.0
[INFO] finished tweaking crates.io crate brydz_core 0.5.0
[INFO] tweaked toml for crates.io crate brydz_core 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate brydz_core 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 808bc01d53191a1d27016eac5c6e2b1edb4221421d353fc9653d2cbd1a585efe
[INFO] running `Command { std: "docker" "start" "-a" "808bc01d53191a1d27016eac5c6e2b1edb4221421d353fc9653d2cbd1a585efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "808bc01d53191a1d27016eac5c6e2b1edb4221421d353fc9653d2cbd1a585efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808bc01d53191a1d27016eac5c6e2b1edb4221421d353fc9653d2cbd1a585efe", kill_on_drop: false }`
[INFO] [stdout] 808bc01d53191a1d27016eac5c6e2b1edb4221421d353fc9653d2cbd1a585efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28759dad20ff7cc78475f7679dabc0c9ebd1c971de1d72b5706f5051ae4c008a
[INFO] running `Command { std: "docker" "start" "-a" "28759dad20ff7cc78475f7679dabc0c9ebd1c971de1d72b5706f5051ae4c008a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling libm v0.2.8
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[INFO] [stderr]    Compiling serde_derive v1.0.197
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[INFO] [stderr]     Checking serde-big-array v0.5.1
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[INFO] [stderr]     Checking ron v0.8.1
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[INFO] [stderr]     Checking statrs v0.16.0
[INFO] [stderr]     Checking brydz_core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `karty::suits::Suit`
[INFO] [stdout]    --> src/contract/spec.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use karty::suits::Suit;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `karty::suits::Suit::Diamonds`
[INFO] [stdout]    --> src/contract/spec.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     use karty::suits::Suit::Diamonds;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bidding::Bid`
[INFO] [stdout]    --> src/contract/spec.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use crate::bidding::Bid;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Double` and `Redouble`
[INFO] [stdout]    --> src/contract/spec.rs:173:36
[INFO] [stdout]     |
[INFO] [stdout] 173 |     use crate::bidding::Doubling::{Double, Redouble};
[INFO] [stdout]     |                                    ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cards::trump::TrumpGen`
[INFO] [stdout]    --> src/contract/spec.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     use crate::cards::trump::TrumpGen;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::contract::ContractParametersGen`
[INFO] [stdout]    --> src/contract/spec.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use crate::contract::ContractParametersGen;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `East` and `West`
[INFO] [stdout]    --> src/contract/spec.rs:176:37
[INFO] [stdout]     |
[INFO] [stdout] 176 |     use crate::player::side::Side::{East, West};
[INFO] [stdout]     |                                     ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `karty::suits::Suit`
[INFO] [stdout]    --> src/bidding/bid.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     use karty::suits::Suit;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `karty::suits::Suit::Hearts`
[INFO] [stdout]    --> src/bidding/bid.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     use karty::suits::Suit::Hearts;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bidding::Bid`
[INFO] [stdout]    --> src/bidding/bid.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |     use crate::bidding::Bid;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cards::trump::TrumpGen`
[INFO] [stdout]    --> src/bidding/bid.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     use crate::cards::trump::TrumpGen;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `karty::suits::Suit`
[INFO] [stdout]    --> src/cards/trump.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use karty::suits::Suit;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Diamonds` and `Hearts`
[INFO] [stdout]    --> src/cards/trump.rs:195:30
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use karty::suits::Suit::{Diamonds, Hearts};
[INFO] [stdout]     |                              ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cards::trump::TrumpGen`
[INFO] [stdout]    --> src/cards/trump.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     use crate::cards::trump::TrumpGen;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `first_unknown_side` and `second_unknown_side` are never used
[INFO] [stdout]    --> src/player/side.rs:102:19
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl Side{
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub(crate) fn first_unknown_side(self, declarer: Side) -> Side{
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub(crate) fn second_unknown_side(self, declarer: Side) -> Side{
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.32s
[INFO] running `Command { std: "docker" "inspect" "28759dad20ff7cc78475f7679dabc0c9ebd1c971de1d72b5706f5051ae4c008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28759dad20ff7cc78475f7679dabc0c9ebd1c971de1d72b5706f5051ae4c008a", kill_on_drop: false }`
[INFO] [stdout] 28759dad20ff7cc78475f7679dabc0c9ebd1c971de1d72b5706f5051ae4c008a