[INFO] fetching crate flips 0.2.1...
[INFO] testing flips-0.2.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate flips 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flips 0.2.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flips 0.2.1
[INFO] finished tweaking crates.io crate flips 0.2.1
[INFO] tweaked toml for crates.io crate flips 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flips-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d934b2db9d79085a29873446801e0c5f7d620a3eb6b8626e4b49de883e81c938
[INFO] running `Command { std: "docker" "start" "-a" "d934b2db9d79085a29873446801e0c5f7d620a3eb6b8626e4b49de883e81c938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d934b2db9d79085a29873446801e0c5f7d620a3eb6b8626e4b49de883e81c938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d934b2db9d79085a29873446801e0c5f7d620a3eb6b8626e4b49de883e81c938", kill_on_drop: false }`
[INFO] [stdout] d934b2db9d79085a29873446801e0c5f7d620a3eb6b8626e4b49de883e81c938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab0096852a2736d3bbbaaedf74e30f357944504dd958917bdc49467bc4bdf3bd
[INFO] running `Command { std: "docker" "start" "-a" "ab0096852a2736d3bbbaaedf74e30f357944504dd958917bdc49467bc4bdf3bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling flips-sys v0.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling flips v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.04s
[INFO] running `Command { std: "docker" "inspect" "ab0096852a2736d3bbbaaedf74e30f357944504dd958917bdc49467bc4bdf3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0096852a2736d3bbbaaedf74e30f357944504dd958917bdc49467bc4bdf3bd", kill_on_drop: false }`
[INFO] [stdout] ab0096852a2736d3bbbaaedf74e30f357944504dd958917bdc49467bc4bdf3bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0bc3a346b880ff4b15abb1c86fa6a0d2a9f31b794a420fabd0155ff73f1d0f31
[INFO] running `Command { std: "docker" "start" "-a" "0bc3a346b880ff4b15abb1c86fa6a0d2a9f31b794a420fabd0155ff73f1d0f31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flips v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "0bc3a346b880ff4b15abb1c86fa6a0d2a9f31b794a420fabd0155ff73f1d0f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc3a346b880ff4b15abb1c86fa6a0d2a9f31b794a420fabd0155ff73f1d0f31", kill_on_drop: false }`
[INFO] [stdout] 0bc3a346b880ff4b15abb1c86fa6a0d2a9f31b794a420fabd0155ff73f1d0f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1fe938bf53a538b1792b9550548c50f72086bbd779ab16015214abeb495d688
[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" "b1fe938bf53a538b1792b9550548c50f72086bbd779ab16015214abeb495d688", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flips-fdb9375ba0db73a9)
[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] [stderr]      Running tests/test_bps.rs (/opt/rustwide/target/debug/deps/test_bps-9a89998ebfec68c8)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test linear::test_create_missing_arguments ... ok
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test delta::test_create_missing_arguments ... ok
[INFO] [stdout] test linear::test_create_identical ... ok
[INFO] [stdout] test test_apply_correct ... ok
[INFO] [stdout] test linear::test_create_apply ... ok
[INFO] [stdout] test test_apply_not_this ... ok
[INFO] [stdout] test test_apply_to_output ... ok
[INFO] [stdout] test delta::test_create_apply_with_moremem ... ok
[INFO] [stdout] test delta::test_create_apply ... ok
[INFO] [stdout] test delta::test_create_identical ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_ips.rs (/opt/rustwide/target/debug/deps/test_ips-8e64eef306a5ff51)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test test_apply_correct ... ok
[INFO] [stdout] test test_study_invalid ... ok
[INFO] [stdout] test test_apply_to_output ... ok
[INFO] [stdout] test test_create_missing_arguments ... ok
[INFO] [stdout] test test_create_identical ... ok
[INFO] [stdout] test test_create_apply ... ok
[INFO] [stdout] test test_study_apply_to_output ... ok
[INFO] [stderr]      Running tests/test_ups.rs (/opt/rustwide/target/debug/deps/test_ups-5ff1c829a2198a10)
[INFO] [stdout] test test_study_apply_correct ... 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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test test_apply_to_output ... ok
[INFO] [stdout] test test_apply_correct ... ok
[INFO] [stdout] test test_apply_not_this ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flips
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/bps.rs - bps::BpsDeltaBuilder (line 193) ... ok
[INFO] [stdout] test src/bps.rs - bps::BpsLinearBuilder (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1fe938bf53a538b1792b9550548c50f72086bbd779ab16015214abeb495d688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fe938bf53a538b1792b9550548c50f72086bbd779ab16015214abeb495d688", kill_on_drop: false }`
[INFO] [stdout] b1fe938bf53a538b1792b9550548c50f72086bbd779ab16015214abeb495d688