[INFO] fetching crate grouping_by 0.2.2...
[INFO] testing grouping_by-0.2.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate grouping_by 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate grouping_by 0.2.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d44aaccab4fa24053f5e3b1f659253e7dad91097ea54ccd054b1edea820bdb4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d44aaccab4fa24053f5e3b1f659253e7dad91097ea54ccd054b1edea820bdb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d44aaccab4fa24053f5e3b1f659253e7dad91097ea54ccd054b1edea820bdb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44aaccab4fa24053f5e3b1f659253e7dad91097ea54ccd054b1edea820bdb4d", kill_on_drop: false }`
[INFO] [stdout] d44aaccab4fa24053f5e3b1f659253e7dad91097ea54ccd054b1edea820bdb4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdc652ae9a90eaaf6985e1b5f591d573a4f271c1133c13935ca545000e31a791
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cdc652ae9a90eaaf6985e1b5f591d573a4f271c1133c13935ca545000e31a791", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "cdc652ae9a90eaaf6985e1b5f591d573a4f271c1133c13935ca545000e31a791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc652ae9a90eaaf6985e1b5f591d573a4f271c1133c13935ca545000e31a791", kill_on_drop: false }`
[INFO] [stdout] cdc652ae9a90eaaf6985e1b5f591d573a4f271c1133c13935ca545000e31a791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab2d1579fd16f9a2cab090440b4d3716db0b1b994c3128525f64a58b067d7a25
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab2d1579fd16f9a2cab090440b4d3716db0b1b994c3128525f64a58b067d7a25", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "ab2d1579fd16f9a2cab090440b4d3716db0b1b994c3128525f64a58b067d7a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2d1579fd16f9a2cab090440b4d3716db0b1b994c3128525f64a58b067d7a25", kill_on_drop: false }`
[INFO] [stdout] ab2d1579fd16f9a2cab090440b4d3716db0b1b994c3128525f64a58b067d7a25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2dd39e8223899500c3f720afe99ef15695390709960d601d1d4e17bebe484367
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2dd39e8223899500c3f720afe99ef15695390709960d601d1d4e17bebe484367", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grouping_by-7bda407c60c35891)
[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-914c9926342efde1)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test grouping_by_min ... ok
[INFO] [stdout] test test_counter_num ... ok
[INFO] [stdout] test test_grouping_by_num_set ... ok
[INFO] [stdout] test test_grouping_by_num ... ok
[INFO] [stdout] test test_grouping_by ... ok
[INFO] [stdout] test test_counter ... ok
[INFO] [stderr]    Doc-tests grouping_by
[INFO] [stdout] test test_grouping_by_set ... ok
[INFO] [stdout] test grouping_by_max ... ok
[INFO] [stdout] test test_grouping_by_summing ... 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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_max (line 131) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::summing (line 215) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::counter (line 103) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_min (line 173) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_as_set (line 78) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2dd39e8223899500c3f720afe99ef15695390709960d601d1d4e17bebe484367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd39e8223899500c3f720afe99ef15695390709960d601d1d4e17bebe484367", kill_on_drop: false }`
[INFO] [stdout] 2dd39e8223899500c3f720afe99ef15695390709960d601d1d4e17bebe484367