[INFO] fetching crate flips 0.2.1...
[INFO] testing flips-0.2.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate flips 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate flips 0.2.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9923e50b8d8b2c56d86b6dfe87defcbdf7edc6378a819a768b578f2eb16061f
[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" "a9923e50b8d8b2c56d86b6dfe87defcbdf7edc6378a819a768b578f2eb16061f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9923e50b8d8b2c56d86b6dfe87defcbdf7edc6378a819a768b578f2eb16061f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9923e50b8d8b2c56d86b6dfe87defcbdf7edc6378a819a768b578f2eb16061f", kill_on_drop: false }`
[INFO] [stdout] a9923e50b8d8b2c56d86b6dfe87defcbdf7edc6378a819a768b578f2eb16061f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 48ee1212d5e72b1181bb8691004f17698f0534f271c8321fa0e05611f842ba7e
[INFO] running `Command { std: "docker" "start" "-a" "48ee1212d5e72b1181bb8691004f17698f0534f271c8321fa0e05611f842ba7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling flips-sys v0.2.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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 9.85s
[INFO] running `Command { std: "docker" "inspect" "48ee1212d5e72b1181bb8691004f17698f0534f271c8321fa0e05611f842ba7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ee1212d5e72b1181bb8691004f17698f0534f271c8321fa0e05611f842ba7e", kill_on_drop: false }`
[INFO] [stdout] 48ee1212d5e72b1181bb8691004f17698f0534f271c8321fa0e05611f842ba7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4357b9f1037048270eeb3518a9e6c2627d467573e7ef61cf0a9dbddc79ebac19
[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" "4357b9f1037048270eeb3518a9e6c2627d467573e7ef61cf0a9dbddc79ebac19", kill_on_drop: false }`
[INFO] [stderr]    Compiling flips v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "4357b9f1037048270eeb3518a9e6c2627d467573e7ef61cf0a9dbddc79ebac19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4357b9f1037048270eeb3518a9e6c2627d467573e7ef61cf0a9dbddc79ebac19", kill_on_drop: false }`
[INFO] [stdout] 4357b9f1037048270eeb3518a9e6c2627d467573e7ef61cf0a9dbddc79ebac19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2fbb6dffdd56f6582da15f5e9017ab2ea004456493a860a098cf0b6437a4aecb
[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" "2fbb6dffdd56f6582da15f5e9017ab2ea004456493a860a098cf0b6437a4aecb", kill_on_drop: false }`
[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] [stderr]      Running tests/test_bps.rs (/opt/rustwide/target/debug/deps/test_bps-9a89998ebfec68c8)
[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] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test delta::test_create_missing_arguments ... ok
[INFO] [stdout] test test_apply_not_this ... ok
[INFO] [stdout] test linear::test_create_missing_arguments ... ok
[INFO] [stdout] test test_apply_to_output ... ok
[INFO] [stdout] test linear::test_create_identical ... ok
[INFO] [stdout] test linear::test_create_apply ... ok
[INFO] [stdout] test test_apply_correct ... ok
[INFO] [stdout] test delta::test_create_apply_with_moremem ... ok
[INFO] [stdout] test delta::test_create_identical ... ok
[INFO] [stdout] test delta::test_create_apply ... 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_to_output ... ok
[INFO] [stdout] test test_create_missing_arguments ... ok
[INFO] [stdout] test test_study_apply_to_output ... ok
[INFO] [stdout] test test_create_identical ... ok
[INFO] [stdout] test test_create_apply ... ok
[INFO] [stdout] test test_study_apply_correct ... ok
[INFO] [stdout] test test_study_invalid ... ok
[INFO] [stderr]      Running tests/test_ups.rs (/opt/rustwide/target/debug/deps/test_ups-5ff1c829a2198a10)
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test test_apply_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test test_apply_correct ... ok
[INFO] [stdout] test test_apply_to_output ... ok
[INFO] [stderr]    Doc-tests flips
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/bps.rs - bps::BpsLinearBuilder (line 101) ... ok
[INFO] [stdout] test src/bps.rs - bps::BpsDeltaBuilder (line 193) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fbb6dffdd56f6582da15f5e9017ab2ea004456493a860a098cf0b6437a4aecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbb6dffdd56f6582da15f5e9017ab2ea004456493a860a098cf0b6437a4aecb", kill_on_drop: false }`
[INFO] [stdout] 2fbb6dffdd56f6582da15f5e9017ab2ea004456493a860a098cf0b6437a4aecb