[INFO] fetching crate rollercoaster 0.0.4...
[INFO] testing rollercoaster-0.0.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rollercoaster 0.0.4 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rollercoaster 0.0.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83441cd61bfb40e10d6f81696e651fdb53c7fff5cc8341c7f5d9b4977bfe8b17
[INFO] running `Command { std: "docker" "start" "-a" "83441cd61bfb40e10d6f81696e651fdb53c7fff5cc8341c7f5d9b4977bfe8b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83441cd61bfb40e10d6f81696e651fdb53c7fff5cc8341c7f5d9b4977bfe8b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83441cd61bfb40e10d6f81696e651fdb53c7fff5cc8341c7f5d9b4977bfe8b17", kill_on_drop: false }`
[INFO] [stdout] 83441cd61bfb40e10d6f81696e651fdb53c7fff5cc8341c7f5d9b4977bfe8b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5717c7245501586d181324f16c441b2b403ca0ac91209821acf5f11096ec2d8
[INFO] running `Command { std: "docker" "start" "-a" "c5717c7245501586d181324f16c441b2b403ca0ac91209821acf5f11096ec2d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rollercoaster v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "c5717c7245501586d181324f16c441b2b403ca0ac91209821acf5f11096ec2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5717c7245501586d181324f16c441b2b403ca0ac91209821acf5f11096ec2d8", kill_on_drop: false }`
[INFO] [stdout] c5717c7245501586d181324f16c441b2b403ca0ac91209821acf5f11096ec2d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76b545edad5992450d5cd3f986b4155b707002e6d7a2f0da01118f87a7c4830f
[INFO] running `Command { std: "docker" "start" "-a" "76b545edad5992450d5cd3f986b4155b707002e6d7a2f0da01118f87a7c4830f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rollercoaster v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "76b545edad5992450d5cd3f986b4155b707002e6d7a2f0da01118f87a7c4830f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b545edad5992450d5cd3f986b4155b707002e6d7a2f0da01118f87a7c4830f", kill_on_drop: false }`
[INFO] [stdout] 76b545edad5992450d5cd3f986b4155b707002e6d7a2f0da01118f87a7c4830f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92749a89f577c45048293c80ef334332500942439faa227f5390bf59f9e892e8
[INFO] running `Command { std: "docker" "start" "-a" "92749a89f577c45048293c80ef334332500942439faa227f5390bf59f9e892e8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rollercoaster-60a9adac5b1438db)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test concat::test::it_concats_both_ways ... ok
[INFO] [stdout] test memory::test::it_forgets ... ok
[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] 
[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::memory (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::group_by (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::append (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::unique (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Rollercoaster::prepend (line 10) ... 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 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92749a89f577c45048293c80ef334332500942439faa227f5390bf59f9e892e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92749a89f577c45048293c80ef334332500942439faa227f5390bf59f9e892e8", kill_on_drop: false }`
[INFO] [stdout] 92749a89f577c45048293c80ef334332500942439faa227f5390bf59f9e892e8