[INFO] fetching crate grouping_by 0.2.2...
[INFO] testing grouping_by-0.2.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate grouping_by 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate grouping_by 0.2.2
[INFO] finished tweaking crates.io crate grouping_by 0.2.2
[INFO] tweaked toml for crates.io crate grouping_by 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grouping_by 0.2.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d2529abc0fb855c4f7a56b0bdfaf6ee16a583845bcb15c915897064dd98503
[INFO] running `Command { std: "docker" "start" "-a" "31d2529abc0fb855c4f7a56b0bdfaf6ee16a583845bcb15c915897064dd98503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d2529abc0fb855c4f7a56b0bdfaf6ee16a583845bcb15c915897064dd98503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d2529abc0fb855c4f7a56b0bdfaf6ee16a583845bcb15c915897064dd98503", kill_on_drop: false }`
[INFO] [stdout] 31d2529abc0fb855c4f7a56b0bdfaf6ee16a583845bcb15c915897064dd98503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eedaf27c1cde0c60c5bd00a12c19ce2e31148efa26c7cd18cc78edefef46a57f
[INFO] running `Command { std: "docker" "start" "-a" "eedaf27c1cde0c60c5bd00a12c19ce2e31148efa26c7cd18cc78edefef46a57f", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "eedaf27c1cde0c60c5bd00a12c19ce2e31148efa26c7cd18cc78edefef46a57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eedaf27c1cde0c60c5bd00a12c19ce2e31148efa26c7cd18cc78edefef46a57f", kill_on_drop: false }`
[INFO] [stdout] eedaf27c1cde0c60c5bd00a12c19ce2e31148efa26c7cd18cc78edefef46a57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 082ecf4d1218037983c6ddb0e8c54f32b5ad2e6e571aa3a95688ffbd42111a71
[INFO] running `Command { std: "docker" "start" "-a" "082ecf4d1218037983c6ddb0e8c54f32b5ad2e6e571aa3a95688ffbd42111a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "082ecf4d1218037983c6ddb0e8c54f32b5ad2e6e571aa3a95688ffbd42111a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082ecf4d1218037983c6ddb0e8c54f32b5ad2e6e571aa3a95688ffbd42111a71", kill_on_drop: false }`
[INFO] [stdout] 082ecf4d1218037983c6ddb0e8c54f32b5ad2e6e571aa3a95688ffbd42111a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1ec6c641de45da75cf919cbb03a0d9d5dfb849cce8655dc6f9ca9f7248eb94e
[INFO] running `Command { std: "docker" "start" "-a" "d1ec6c641de45da75cf919cbb03a0d9d5dfb849cce8655dc6f9ca9f7248eb94e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grouping_by-edf0fc9234066ce9)
[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]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-7c6a385f56eb5234)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test grouping_by_max ... ok
[INFO] [stdout] test grouping_by_min ... ok
[INFO] [stdout] test test_counter_num ... ok
[INFO] [stdout] test test_grouping_by_num ... ok
[INFO] [stdout] test test_grouping_by ... ok
[INFO] [stdout] test test_grouping_by_num_set ... ok
[INFO] [stdout] test test_grouping_by_summing ... ok
[INFO] [stdout] test test_grouping_by_set ... ok
[INFO] [stdout] test test_counter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grouping_by
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_max (line 131) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by (line 52) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_min (line 173) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::counter (line 103) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_as_set (line 78) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::summing (line 215) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1ec6c641de45da75cf919cbb03a0d9d5dfb849cce8655dc6f9ca9f7248eb94e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ec6c641de45da75cf919cbb03a0d9d5dfb849cce8655dc6f9ca9f7248eb94e", kill_on_drop: false }`
[INFO] [stdout] d1ec6c641de45da75cf919cbb03a0d9d5dfb849cce8655dc6f9ca9f7248eb94e