[INFO] fetching crate rx_core_operator_group_by 0.0.1...
[INFO] testing rx_core_operator_group_by-0.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate rx_core_operator_group_by 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rx_core_operator_group_by 0.0.1
[INFO] finished tweaking crates.io crate rx_core_operator_group_by 0.0.1
[INFO] tweaked toml for crates.io crate rx_core_operator_group_by 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rx_core_operator_group_by 0.0.1 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] crate crates.io crate rx_core_operator_group_by 0.0.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d2d6b7cbbd3eb2d65daf2e69ffb5a7442d629518e8f53d481fb3513ce5ce6170
[INFO] running `Command { std: "docker" "start" "-a" "d2d6b7cbbd3eb2d65daf2e69ffb5a7442d629518e8f53d481fb3513ce5ce6170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d6b7cbbd3eb2d65daf2e69ffb5a7442d629518e8f53d481fb3513ce5ce6170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d6b7cbbd3eb2d65daf2e69ffb5a7442d629518e8f53d481fb3513ce5ce6170", kill_on_drop: false }`
[INFO] [stdout] d2d6b7cbbd3eb2d65daf2e69ffb5a7442d629518e8f53d481fb3513ce5ce6170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] caad86331159198d808262ae80abf0464b67c43d5b31a8acca695c1ed99b9d59
[INFO] running `Command { std: "docker" "start" "-a" "caad86331159198d808262ae80abf0464b67c43d5b31a8acca695c1ed99b9d59", kill_on_drop: false }`
[INFO] [stderr]    Compiling rx_core_operator_group_by v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "caad86331159198d808262ae80abf0464b67c43d5b31a8acca695c1ed99b9d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caad86331159198d808262ae80abf0464b67c43d5b31a8acca695c1ed99b9d59", kill_on_drop: false }`
[INFO] [stdout] caad86331159198d808262ae80abf0464b67c43d5b31a8acca695c1ed99b9d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 25dc3713eaf81faa9af4e18c56b1a1e677871c51bfbbeb6633e7ec004be33292
[INFO] running `Command { std: "docker" "start" "-a" "25dc3713eaf81faa9af4e18c56b1a1e677871c51bfbbeb6633e7ec004be33292", kill_on_drop: false }`
[INFO] [stderr]    Compiling rx_core_operator_group_by v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "25dc3713eaf81faa9af4e18c56b1a1e677871c51bfbbeb6633e7ec004be33292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25dc3713eaf81faa9af4e18c56b1a1e677871c51bfbbeb6633e7ec004be33292", kill_on_drop: false }`
[INFO] [stdout] 25dc3713eaf81faa9af4e18c56b1a1e677871c51bfbbeb6633e7ec004be33292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a2066158b98828fee8f454e6d7928453394ec03a9d98ca867cbfe5f175d9a910
[INFO] running `Command { std: "docker" "start" "-a" "a2066158b98828fee8f454e6d7928453394ec03a9d98ca867cbfe5f175d9a910", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rx_core_operator_group_by-ac45082ac30d2f9d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests rx_core_operator_group_by
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a2066158b98828fee8f454e6d7928453394ec03a9d98ca867cbfe5f175d9a910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2066158b98828fee8f454e6d7928453394ec03a9d98ca867cbfe5f175d9a910", kill_on_drop: false }`
[INFO] [stdout] a2066158b98828fee8f454e6d7928453394ec03a9d98ca867cbfe5f175d9a910