[INFO] cloning repository https://github.com/tetsuya-zama/guccicci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetsuya-zama/guccicci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuya-zama%2Fguccicci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuya-zama%2Fguccicci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ce95b9ae38d06417183fce2675652502f8a837
[INFO] testing tetsuya-zama/guccicci against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuya-zama%2Fguccicci" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetsuya-zama/guccicci on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetsuya-zama/guccicci
[INFO] finished tweaking git repo https://github.com/tetsuya-zama/guccicci
[INFO] tweaked toml for git repo https://github.com/tetsuya-zama/guccicci written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tetsuya-zama/guccicci 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded libc v0.2.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70878a3566431eff164f0b04a94ed401d5e024e291ad522407d58248842ed46d
[INFO] running `Command { std: "docker" "start" "-a" "70878a3566431eff164f0b04a94ed401d5e024e291ad522407d58248842ed46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70878a3566431eff164f0b04a94ed401d5e024e291ad522407d58248842ed46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70878a3566431eff164f0b04a94ed401d5e024e291ad522407d58248842ed46d", kill_on_drop: false }`
[INFO] [stdout] 70878a3566431eff164f0b04a94ed401d5e024e291ad522407d58248842ed46d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea9ad976d9e9e0a02cbd67a4e31b35ef8c5c4857418f1a0828d6621497c4bd30
[INFO] running `Command { std: "docker" "start" "-a" "ea9ad976d9e9e0a02cbd67a4e31b35ef8c5c4857418f1a0828d6621497c4bd30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling guccicci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/domain.rs:90:94
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut leader_candidates: Vec<Person> = setting.leader_candidates().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/domain.rs:94:92
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut normal_attendees: Vec<Person> = setting.normal_attendees().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stdout]    |                                                                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "ea9ad976d9e9e0a02cbd67a4e31b35ef8c5c4857418f1a0828d6621497c4bd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9ad976d9e9e0a02cbd67a4e31b35ef8c5c4857418f1a0828d6621497c4bd30", kill_on_drop: false }`
[INFO] [stdout] ea9ad976d9e9e0a02cbd67a4e31b35ef8c5c4857418f1a0828d6621497c4bd30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e16bf18a0f4b26e86257bc37712bb1dde93670676defaed36c9b68640059e92f
[INFO] running `Command { std: "docker" "start" "-a" "e16bf18a0f4b26e86257bc37712bb1dde93670676defaed36c9b68640059e92f", kill_on_drop: false }`
[INFO] [stderr]    Compiling guccicci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/domain.rs:90:94
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut leader_candidates: Vec<Person> = setting.leader_candidates().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/domain.rs:94:92
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut normal_attendees: Vec<Person> = setting.normal_attendees().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stdout]    |                                                                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&domain::Person` instead of cloning the inner type
[INFO] [stdout]   --> src/domain.rs:90:94
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut leader_candidates: Vec<Person> = setting.leader_candidates().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&domain::Person` instead of cloning the inner type
[INFO] [stdout]   --> src/domain.rs:94:92
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut normal_attendees: Vec<Person> = setting.normal_attendees().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stdout]    |                                                                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "e16bf18a0f4b26e86257bc37712bb1dde93670676defaed36c9b68640059e92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16bf18a0f4b26e86257bc37712bb1dde93670676defaed36c9b68640059e92f", kill_on_drop: false }`
[INFO] [stdout] e16bf18a0f4b26e86257bc37712bb1dde93670676defaed36c9b68640059e92f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af4b0d682c8cc1e671e9d875d813b7357e96d85ee44bce8a4b6264035bc9795d
[INFO] running `Command { std: "docker" "start" "-a" "af4b0d682c8cc1e671e9d875d813b7357e96d85ee44bce8a4b6264035bc9795d", kill_on_drop: false }`
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stderr]   --> src/domain.rs:90:94
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut leader_candidates: Vec<Person> = setting.leader_candidates().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stderr]   --> src/domain.rs:94:92
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut normal_attendees: Vec<Person> = setting.normal_attendees().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stderr]    |                                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&domain::Person` instead of cloning the inner type
[INFO] [stderr]   --> src/domain.rs:90:94
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut leader_candidates: Vec<Person> = setting.leader_candidates().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&domain::Person` instead of cloning the inner type
[INFO] [stderr]   --> src/domain.rs:94:92
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut normal_attendees: Vec<Person> = setting.normal_attendees().iter().map(|p| p.clone()).cloned().collect();
[INFO] [stderr]    |                                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `guccicci` (lib) generated 2 warnings
[INFO] [stderr] warning: `guccicci` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/guccicci-81809d10e38ebbd4)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test domain::tests::assign_member_to_team ... ok
[INFO] [stdout] test domain::tests::attendee_is_leader ... ok
[INFO] [stdout] test domain::tests::attendees_flat ... ok
[INFO] [stdout] test domain::tests::attendees_no_flat ... ok
[INFO] [stdout] test domain::tests::create_team_by_leader_candidates ... ok
[INFO] [stdout] test domain::tests::setting_is_flat ... ok
[INFO] [stdout] test domain::tests::setting_validation_ok ... ok
[INFO] [stdout] test strategy::tests::no_shuffle_does_nothing ... ok
[INFO] [stdout] test domain::tests::setting_validation_leaders_lack ... ok
[INFO] [stdout] test domain::tests::create_teams_by_setting ... ok
[INFO] [stdout] test domain::tests::setting_validation_zero_teams ... ok
[INFO] [stdout] test domain::tests::create_team_by_leader ... ok
[INFO] [stdout] test strategy::tests::random_shuffle_shuffles_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guccicci-b0b06d880bc8f557)
[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] [stderr]    Doc-tests guccicci
[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" "af4b0d682c8cc1e671e9d875d813b7357e96d85ee44bce8a4b6264035bc9795d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4b0d682c8cc1e671e9d875d813b7357e96d85ee44bce8a4b6264035bc9795d", kill_on_drop: false }`
[INFO] [stdout] af4b0d682c8cc1e671e9d875d813b7357e96d85ee44bce8a4b6264035bc9795d