[INFO] fetching crate grouping_by 0.2.1...
[INFO] testing grouping_by-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grouping_by 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate grouping_by 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba55722e4817615fb01f13d47cbc34210b3d921ccfb5f6955653c4f43b031f75
[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" "ba55722e4817615fb01f13d47cbc34210b3d921ccfb5f6955653c4f43b031f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba55722e4817615fb01f13d47cbc34210b3d921ccfb5f6955653c4f43b031f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba55722e4817615fb01f13d47cbc34210b3d921ccfb5f6955653c4f43b031f75", kill_on_drop: false }`
[INFO] [stdout] ba55722e4817615fb01f13d47cbc34210b3d921ccfb5f6955653c4f43b031f75
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e65fb82689c37ce89eea0b09bc509eb45cbbad316b29ef8eb1d2f33b923e4bd
[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" "4e65fb82689c37ce89eea0b09bc509eb45cbbad316b29ef8eb1d2f33b923e4bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "4e65fb82689c37ce89eea0b09bc509eb45cbbad316b29ef8eb1d2f33b923e4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e65fb82689c37ce89eea0b09bc509eb45cbbad316b29ef8eb1d2f33b923e4bd", kill_on_drop: false }`
[INFO] [stdout] 4e65fb82689c37ce89eea0b09bc509eb45cbbad316b29ef8eb1d2f33b923e4bd
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e6972120373b659b848401faa2815890ffb6f6643bee996bd2457453331e0b
[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" "51e6972120373b659b848401faa2815890ffb6f6643bee996bd2457453331e0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping_by v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "51e6972120373b659b848401faa2815890ffb6f6643bee996bd2457453331e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e6972120373b659b848401faa2815890ffb6f6643bee996bd2457453331e0b", kill_on_drop: false }`
[INFO] [stdout] 51e6972120373b659b848401faa2815890ffb6f6643bee996bd2457453331e0b
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4e9c0c71e1fae141d5af158e0525d026ff4863cad8ee88a4413595b47de1c89
[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" "b4e9c0c71e1fae141d5af158e0525d026ff4863cad8ee88a4413595b47de1c89", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grouping_by-a8165c5204b551b1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-3c64b514f2366fd9)
[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 test_counter_num ... ok
[INFO] [stdout] test grouping_by_min ... ok
[INFO] [stdout] test test_grouping_by_summing ... 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_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 - GroupingBy::grouping_by_max (line 131) ... 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::summing (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - GroupingBy::grouping_by (line 52) ... 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 2.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4e9c0c71e1fae141d5af158e0525d026ff4863cad8ee88a4413595b47de1c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e9c0c71e1fae141d5af158e0525d026ff4863cad8ee88a4413595b47de1c89", kill_on_drop: false }`
[INFO] [stdout] b4e9c0c71e1fae141d5af158e0525d026ff4863cad8ee88a4413595b47de1c89