[INFO] fetching crate flips 0.2.1...
[INFO] testing flips-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flips 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate flips 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55f0b34728a2c438b98e593dcc5f51481b16d30715466901dba7125145c297e1
[INFO] running `Command { std: "docker" "start" "-a" "55f0b34728a2c438b98e593dcc5f51481b16d30715466901dba7125145c297e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f0b34728a2c438b98e593dcc5f51481b16d30715466901dba7125145c297e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f0b34728a2c438b98e593dcc5f51481b16d30715466901dba7125145c297e1", kill_on_drop: false }`
[INFO] [stdout] 55f0b34728a2c438b98e593dcc5f51481b16d30715466901dba7125145c297e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f85a91b4eb5626b0282536b5a32916bbdda31251b6918eda58ba284d075fc82
[INFO] running `Command { std: "docker" "start" "-a" "2f85a91b4eb5626b0282536b5a32916bbdda31251b6918eda58ba284d075fc82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling flips-sys v0.2.1
[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 10.73s
[INFO] running `Command { std: "docker" "inspect" "2f85a91b4eb5626b0282536b5a32916bbdda31251b6918eda58ba284d075fc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f85a91b4eb5626b0282536b5a32916bbdda31251b6918eda58ba284d075fc82", kill_on_drop: false }`
[INFO] [stdout] 2f85a91b4eb5626b0282536b5a32916bbdda31251b6918eda58ba284d075fc82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c12136865f6ecb6e6c36ebd396238ddd888fa172c25fe3bf91f3f48179bee19
[INFO] running `Command { std: "docker" "start" "-a" "8c12136865f6ecb6e6c36ebd396238ddd888fa172c25fe3bf91f3f48179bee19", 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" "8c12136865f6ecb6e6c36ebd396238ddd888fa172c25fe3bf91f3f48179bee19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c12136865f6ecb6e6c36ebd396238ddd888fa172c25fe3bf91f3f48179bee19", kill_on_drop: false }`
[INFO] [stdout] 8c12136865f6ecb6e6c36ebd396238ddd888fa172c25fe3bf91f3f48179bee19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b27c19334ea170fa783763f05c8254a94bae56ec1ffabfcc66789371aa3ea84
[INFO] running `Command { std: "docker" "start" "-a" "4b27c19334ea170fa783763f05c8254a94bae56ec1ffabfcc66789371aa3ea84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flips-8faa159c28c6a92d)
[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-845cbe9e0bda3164)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test delta::test_create_missing_arguments ... ok
[INFO] [stdout] test linear::test_create_missing_arguments ... ok
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test linear::test_create_identical ... ok
[INFO] [stdout] test test_apply_not_this ... ok
[INFO] [stdout] test linear::test_create_apply ... ok
[INFO] [stdout] test test_apply_correct ... 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 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_ips.rs (/opt/rustwide/target/debug/deps/test_ips-0fceda177235e632)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_create_missing_arguments ... ok
[INFO] [stdout] test test_apply_invalid ... ok
[INFO] [stdout] test test_study_invalid ... ok
[INFO] [stdout] test test_study_apply_correct ... ok
[INFO] [stdout] test test_apply_to_output ... ok
[INFO] [stdout] test test_study_apply_to_output ... ok
[INFO] [stdout] test test_apply_correct ... ok
[INFO] [stdout] test test_create_identical ... ok
[INFO] [stdout] test test_create_apply ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_ups.rs (/opt/rustwide/target/debug/deps/test_ups-0fb1f052dc54d3c4)
[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::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 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b27c19334ea170fa783763f05c8254a94bae56ec1ffabfcc66789371aa3ea84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b27c19334ea170fa783763f05c8254a94bae56ec1ffabfcc66789371aa3ea84", kill_on_drop: false }`
[INFO] [stdout] 4b27c19334ea170fa783763f05c8254a94bae56ec1ffabfcc66789371aa3ea84