[INFO] fetching crate rollercoaster 0.0.4...
[INFO] testing rollercoaster-0.0.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rollercoaster 0.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rollercoaster 0.0.4
[INFO] finished tweaking crates.io crate rollercoaster 0.0.4
[INFO] tweaked toml for crates.io crate rollercoaster 0.0.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rollercoaster 0.0.4 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ec5c191512e51c6d7ec8b75e0ef2ebbbbad6e3b1b318d183343db646543c19
[INFO] running `Command { std: "docker" "start" "-a" "24ec5c191512e51c6d7ec8b75e0ef2ebbbbad6e3b1b318d183343db646543c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ec5c191512e51c6d7ec8b75e0ef2ebbbbad6e3b1b318d183343db646543c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ec5c191512e51c6d7ec8b75e0ef2ebbbbad6e3b1b318d183343db646543c19", kill_on_drop: false }`
[INFO] [stdout] 24ec5c191512e51c6d7ec8b75e0ef2ebbbbad6e3b1b318d183343db646543c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cb71f6af31e9b5396ede69fdf3843fd0d9696fe41658e77ff7e77570370d236
[INFO] running `Command { std: "docker" "start" "-a" "2cb71f6af31e9b5396ede69fdf3843fd0d9696fe41658e77ff7e77570370d236", kill_on_drop: false }`
[INFO] [stderr]    Compiling rollercoaster v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "2cb71f6af31e9b5396ede69fdf3843fd0d9696fe41658e77ff7e77570370d236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb71f6af31e9b5396ede69fdf3843fd0d9696fe41658e77ff7e77570370d236", kill_on_drop: false }`
[INFO] [stdout] 2cb71f6af31e9b5396ede69fdf3843fd0d9696fe41658e77ff7e77570370d236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9df1e4ef28fc75ced61282c036e279271deadb164499bc22b507b73819c18efc
[INFO] running `Command { std: "docker" "start" "-a" "9df1e4ef28fc75ced61282c036e279271deadb164499bc22b507b73819c18efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rollercoaster v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "9df1e4ef28fc75ced61282c036e279271deadb164499bc22b507b73819c18efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df1e4ef28fc75ced61282c036e279271deadb164499bc22b507b73819c18efc", kill_on_drop: false }`
[INFO] [stdout] 9df1e4ef28fc75ced61282c036e279271deadb164499bc22b507b73819c18efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf0fb4a89efd233bd6b5fe91860a2b431e69f003a7b63764003884f06ddcae3b
[INFO] running `Command { std: "docker" "start" "-a" "bf0fb4a89efd233bd6b5fe91860a2b431e69f003a7b63764003884f06ddcae3b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rollercoaster-60a9adac5b1438db)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test grouping::test::it_groups_correctly ... ok
[INFO] [stdout] test memory::test::it_remembers ... ok
[INFO] [stdout] test unique::test::it_returns_unique ... ok
[INFO] [stdout] test memory::test::it_forgets ... ok
[INFO] [stdout] test concat::test::it_concats_both_ways ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rollercoaster
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Rollercoaster::unique_by (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::group_by (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::memory (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::append (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::prepend (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::unique (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf0fb4a89efd233bd6b5fe91860a2b431e69f003a7b63764003884f06ddcae3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0fb4a89efd233bd6b5fe91860a2b431e69f003a7b63764003884f06ddcae3b", kill_on_drop: false }`
[INFO] [stdout] bf0fb4a89efd233bd6b5fe91860a2b431e69f003a7b63764003884f06ddcae3b