[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 try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsuya-zama%2Fguccicci" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tetsuya-zama/guccicci on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 490f587ed63807727c865f909914b581fb53064d57ec9d3853304bc502c27142
[INFO] running `Command { std: "docker" "start" "-a" "490f587ed63807727c865f909914b581fb53064d57ec9d3853304bc502c27142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "490f587ed63807727c865f909914b581fb53064d57ec9d3853304bc502c27142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490f587ed63807727c865f909914b581fb53064d57ec9d3853304bc502c27142", kill_on_drop: false }`
[INFO] [stdout] 490f587ed63807727c865f909914b581fb53064d57ec9d3853304bc502c27142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ba5f2af3e33e565c1bbf7bf530f0e82c37980315278a9fb95e9236f6bc0a1498
[INFO] running `Command { std: "docker" "start" "-a" "ba5f2af3e33e565c1bbf7bf530f0e82c37980315278a9fb95e9236f6bc0a1498", kill_on_drop: false }`
[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 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 12.56s
[INFO] running `Command { std: "docker" "inspect" "ba5f2af3e33e565c1bbf7bf530f0e82c37980315278a9fb95e9236f6bc0a1498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5f2af3e33e565c1bbf7bf530f0e82c37980315278a9fb95e9236f6bc0a1498", kill_on_drop: false }`
[INFO] [stdout] ba5f2af3e33e565c1bbf7bf530f0e82c37980315278a9fb95e9236f6bc0a1498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 965cd8de391ac423b8cf53066f6dcef03b76df42ee637ba132751647460d0112
[INFO] running `Command { std: "docker" "start" "-a" "965cd8de391ac423b8cf53066f6dcef03b76df42ee637ba132751647460d0112", 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "965cd8de391ac423b8cf53066f6dcef03b76df42ee637ba132751647460d0112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965cd8de391ac423b8cf53066f6dcef03b76df42ee637ba132751647460d0112", kill_on_drop: false }`
[INFO] [stdout] 965cd8de391ac423b8cf53066f6dcef03b76df42ee637ba132751647460d0112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6ac6895321bd95846348f27125b9a4407b373ae435420af7a34759968a8da916
[INFO] running `Command { std: "docker" "start" "-a" "6ac6895321bd95846348f27125b9a4407b373ae435420af7a34759968a8da916", 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/guccicci-e5fcb0b6a1c9608a)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test domain::tests::attendees_flat ... ok
[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_no_flat ... ok
[INFO] [stdout] test domain::tests::create_team_by_leader ... ok
[INFO] [stdout] test domain::tests::create_team_by_leader_candidates ... ok
[INFO] [stdout] test domain::tests::create_teams_by_setting ... ok
[INFO] [stdout] test domain::tests::setting_is_flat ... ok
[INFO] [stdout] test domain::tests::setting_validation_leaders_lack ... ok
[INFO] [stdout] test domain::tests::setting_validation_ok ... ok
[INFO] [stdout] test domain::tests::setting_validation_zero_teams ... ok
[INFO] [stdout] test strategy::tests::no_shuffle_does_nothing ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/guccicci-0e8e45afe0fb885a)
[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 0.00s
[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" "6ac6895321bd95846348f27125b9a4407b373ae435420af7a34759968a8da916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac6895321bd95846348f27125b9a4407b373ae435420af7a34759968a8da916", kill_on_drop: false }`
[INFO] [stdout] 6ac6895321bd95846348f27125b9a4407b373ae435420af7a34759968a8da916