[INFO] fetching crate bitlab 1.1.0...
[INFO] testing bitlab-1.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bitlab 1.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate bitlab 1.1.0 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 bitlab 1.1.0
[INFO] finished tweaking crates.io crate bitlab 1.1.0
[INFO] tweaked toml for crates.io crate bitlab 1.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate bitlab 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] eda40b5a90b967df64fe61968c64bd343f82b46623191f119bed402672d588f4
[INFO] running `Command { std: "docker" "start" "-a" "eda40b5a90b967df64fe61968c64bd343f82b46623191f119bed402672d588f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda40b5a90b967df64fe61968c64bd343f82b46623191f119bed402672d588f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda40b5a90b967df64fe61968c64bd343f82b46623191f119bed402672d588f4", kill_on_drop: false }`
[INFO] [stdout] eda40b5a90b967df64fe61968c64bd343f82b46623191f119bed402672d588f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 24b7536289207ade55ba6a8cba19a2486e5f9ef88f583e1d19a8bfc829af2fb3
[INFO] running `Command { std: "docker" "start" "-a" "24b7536289207ade55ba6a8cba19a2486e5f9ef88f583e1d19a8bfc829af2fb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling bitlab v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "24b7536289207ade55ba6a8cba19a2486e5f9ef88f583e1d19a8bfc829af2fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b7536289207ade55ba6a8cba19a2486e5f9ef88f583e1d19a8bfc829af2fb3", kill_on_drop: false }`
[INFO] [stdout] 24b7536289207ade55ba6a8cba19a2486e5f9ef88f583e1d19a8bfc829af2fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 663e837bb248ce18d49cc726b33a3b25beebc1046c27dc7a08bf4b961e9301d6
[INFO] running `Command { std: "docker" "start" "-a" "663e837bb248ce18d49cc726b33a3b25beebc1046c27dc7a08bf4b961e9301d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitlab v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "663e837bb248ce18d49cc726b33a3b25beebc1046c27dc7a08bf4b961e9301d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663e837bb248ce18d49cc726b33a3b25beebc1046c27dc7a08bf4b961e9301d6", kill_on_drop: false }`
[INFO] [stdout] 663e837bb248ce18d49cc726b33a3b25beebc1046c27dc7a08bf4b961e9301d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] cb53982ebec96eaff8f35624c283a1867b510ac8bcbb573cfb2c3f108ba75872
[INFO] running `Command { std: "docker" "start" "-a" "cb53982ebec96eaff8f35624c283a1867b510ac8bcbb573cfb2c3f108ba75872", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bitlab-8ea2e8eda6a4b725)
[INFO] [stdout] test tests::correct_results ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::range_checks_for_integrals ... ok
[INFO] [stdout] test tests::range_checks_for_vec_u8 ... ok
[INFO] [stdout] test tests::single_bits ... ok
[INFO] [stdout] test tests::source_must_not_change ... ok
[INFO] [stdout] test tests::test_number_of_bits_required_for_a_singed_integer ... ok
[INFO] [stdout] test tests::test_number_of_bits_required_for_an_unsigned_integer ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::extract_from_vector ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_into_a_vector ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u64 ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-df44794f30896e78)
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u8 ... ok
[INFO] [stderr]    Doc-tests bitlab
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::panics_as_expected - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb53982ebec96eaff8f35624c283a1867b510ac8bcbb573cfb2c3f108ba75872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb53982ebec96eaff8f35624c283a1867b510ac8bcbb573cfb2c3f108ba75872", kill_on_drop: false }`
[INFO] [stdout] cb53982ebec96eaff8f35624c283a1867b510ac8bcbb573cfb2c3f108ba75872