[INFO] fetching crate grouping_by 0.2.1...
[INFO] testing grouping_by-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate grouping_by 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grouping_by 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grouping_by 0.2.1
[INFO] finished tweaking crates.io crate grouping_by 0.2.1
[INFO] tweaked toml for crates.io crate grouping_by 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74e66b043c54ec36948fd55c0212a3fe03a0b5a18936bb4a0be62640b3a3917c
[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" "74e66b043c54ec36948fd55c0212a3fe03a0b5a18936bb4a0be62640b3a3917c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e66b043c54ec36948fd55c0212a3fe03a0b5a18936bb4a0be62640b3a3917c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e66b043c54ec36948fd55c0212a3fe03a0b5a18936bb4a0be62640b3a3917c", kill_on_drop: false }`
[INFO] [stdout] 74e66b043c54ec36948fd55c0212a3fe03a0b5a18936bb4a0be62640b3a3917c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65b7ca2f3d71968449cf10759a91d7597a6245bd98fa7ef3bd4f5e23e3a75adb
[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" "65b7ca2f3d71968449cf10759a91d7597a6245bd98fa7ef3bd4f5e23e3a75adb", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "65b7ca2f3d71968449cf10759a91d7597a6245bd98fa7ef3bd4f5e23e3a75adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b7ca2f3d71968449cf10759a91d7597a6245bd98fa7ef3bd4f5e23e3a75adb", kill_on_drop: false }`
[INFO] [stdout] 65b7ca2f3d71968449cf10759a91d7597a6245bd98fa7ef3bd4f5e23e3a75adb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a05f81311e8b672422e0c3fd6d3915b11c50e72f888f08fd0e0b57d01b290e
[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" "a4a05f81311e8b672422e0c3fd6d3915b11c50e72f888f08fd0e0b57d01b290e", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "a4a05f81311e8b672422e0c3fd6d3915b11c50e72f888f08fd0e0b57d01b290e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a05f81311e8b672422e0c3fd6d3915b11c50e72f888f08fd0e0b57d01b290e", kill_on_drop: false }`
[INFO] [stdout] a4a05f81311e8b672422e0c3fd6d3915b11c50e72f888f08fd0e0b57d01b290e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d289d3ceabd479671fdcf552771b127758c334497767c699f61f90a8d98a8f82
[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" "d289d3ceabd479671fdcf552771b127758c334497767c699f61f90a8d98a8f82", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/grouping_by-e1db6f155af4ec4d
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/common-f53f36cd769d3667
[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] [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 ... 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_counter_num ... ok
[INFO] [stdout] test test_grouping_by_set ... ok
[INFO] [stderr]    Doc-tests grouping_by
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - GroupingBy::summing (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... 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 (line 52) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_max (line 131) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by_as_set (line 78) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d289d3ceabd479671fdcf552771b127758c334497767c699f61f90a8d98a8f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d289d3ceabd479671fdcf552771b127758c334497767c699f61f90a8d98a8f82", kill_on_drop: false }`
[INFO] [stdout] d289d3ceabd479671fdcf552771b127758c334497767c699f61f90a8d98a8f82