[INFO] cloning repository https://github.com/frontierpsycho/set.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frontierpsycho/set.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrontierpsycho%2Fset.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrontierpsycho%2Fset.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd10a080b8602ae00534d699deac0815996538d
[INFO] testing frontierpsycho/set.rs against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrontierpsycho%2Fset.rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/frontierpsycho/set.rs
[INFO] finished tweaking git repo https://github.com/frontierpsycho/set.rs
[INFO] tweaked toml for git repo https://github.com/frontierpsycho/set.rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/frontierpsycho/set.rs 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/frontierpsycho/set.rs 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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f96865c5db1b893720da56494ea02e042e91af749dfd47873164550eb82d86d5
[INFO] running `Command { std: "docker" "start" "-a" "f96865c5db1b893720da56494ea02e042e91af749dfd47873164550eb82d86d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96865c5db1b893720da56494ea02e042e91af749dfd47873164550eb82d86d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96865c5db1b893720da56494ea02e042e91af749dfd47873164550eb82d86d5", kill_on_drop: false }`
[INFO] [stdout] f96865c5db1b893720da56494ea02e042e91af749dfd47873164550eb82d86d5
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6da6c2ad5ffe8a86faf812024b4c7f8782788274cd87f636fa738f60b07da6e2
[INFO] running `Command { std: "docker" "start" "-a" "6da6c2ad5ffe8a86faf812024b4c7f8782788274cd87f636fa738f60b07da6e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&card::Card` instead of cloning the inner type
[INFO] [stdout]    --> src/solving.rs:121:63
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let found_set = Set::new(card1.clone(), *card2.clone(), extrapolated_card.clone());
[INFO] [stdout]     |                                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "6da6c2ad5ffe8a86faf812024b4c7f8782788274cd87f636fa738f60b07da6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da6c2ad5ffe8a86faf812024b4c7f8782788274cd87f636fa738f60b07da6e2", kill_on_drop: false }`
[INFO] [stdout] 6da6c2ad5ffe8a86faf812024b4c7f8782788274cd87f636fa738f60b07da6e2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/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] f4cc170e48ddb82dcafa76bb16773e17f63642995f281da735f367802824d029
[INFO] running `Command { std: "docker" "start" "-a" "f4cc170e48ddb82dcafa76bb16773e17f63642995f281da735f367802824d029", kill_on_drop: false }`
[INFO] [stderr]    Compiling set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&card::Card` instead of cloning the inner type
[INFO] [stdout]    --> src/solving.rs:121:63
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let found_set = Set::new(card1.clone(), *card2.clone(), extrapolated_card.clone());
[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 `&card::Card` instead of cloning the inner type
[INFO] [stdout]    --> src/solving.rs:121:63
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let found_set = Set::new(card1.clone(), *card2.clone(), extrapolated_card.clone());
[INFO] [stdout]     |                                                               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "f4cc170e48ddb82dcafa76bb16773e17f63642995f281da735f367802824d029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cc170e48ddb82dcafa76bb16773e17f63642995f281da735f367802824d029", kill_on_drop: false }`
[INFO] [stdout] f4cc170e48ddb82dcafa76bb16773e17f63642995f281da735f367802824d029
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4509b7ffeee56e01fab832bf89c3fcc8d7c5a9924528fcec719fcd5bc1666b27
[INFO] running `Command { std: "docker" "start" "-a" "4509b7ffeee56e01fab832bf89c3fcc8d7c5a9924528fcec719fcd5bc1666b27", kill_on_drop: false }`
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&card::Card` instead of cloning the inner type
[INFO] [stderr]    --> src/solving.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 let found_set = Set::new(card1.clone(), *card2.clone(), extrapolated_card.clone());
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `set` (lib) generated 1 warning
[INFO] [stderr] warning: `set` (lib test) generated 1 warning (1 duplicate)
[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/set-767340575843f8f8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test solving::tests::test_extrapolate_third ... ok
[INFO] [stdout] test solving::tests::test_test_attributes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/set-13acc5e1b06848b3)
[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" "4509b7ffeee56e01fab832bf89c3fcc8d7c5a9924528fcec719fcd5bc1666b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4509b7ffeee56e01fab832bf89c3fcc8d7c5a9924528fcec719fcd5bc1666b27", kill_on_drop: false }`
[INFO] [stdout] 4509b7ffeee56e01fab832bf89c3fcc8d7c5a9924528fcec719fcd5bc1666b27