[INFO] fetching crate bitlab 1.0.0...
[INFO] testing bitlab-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitlab 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate bitlab 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitlab 1.0.0
[INFO] finished tweaking crates.io crate bitlab 1.0.0
[INFO] tweaked toml for crates.io crate bitlab 1.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate bitlab 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 83ae0cbe3a1e1a7c75b6e3e6fd58ee455db5e4cee81b118a9724e3fe9b54bdf7
[INFO] running `Command { std: "docker" "start" "-a" "83ae0cbe3a1e1a7c75b6e3e6fd58ee455db5e4cee81b118a9724e3fe9b54bdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ae0cbe3a1e1a7c75b6e3e6fd58ee455db5e4cee81b118a9724e3fe9b54bdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ae0cbe3a1e1a7c75b6e3e6fd58ee455db5e4cee81b118a9724e3fe9b54bdf7", kill_on_drop: false }`
[INFO] [stdout] 83ae0cbe3a1e1a7c75b6e3e6fd58ee455db5e4cee81b118a9724e3fe9b54bdf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb801dcf7b33458023b6177fc2da9a6348cad5a0df5f851557c28354c77de2af
[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" "eb801dcf7b33458023b6177fc2da9a6348cad5a0df5f851557c28354c77de2af", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[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 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.33s
[INFO] running `Command { std: "docker" "inspect" "eb801dcf7b33458023b6177fc2da9a6348cad5a0df5f851557c28354c77de2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb801dcf7b33458023b6177fc2da9a6348cad5a0df5f851557c28354c77de2af", kill_on_drop: false }`
[INFO] [stdout] eb801dcf7b33458023b6177fc2da9a6348cad5a0df5f851557c28354c77de2af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e470664a350af35c0066688cc74fe52681896e85ba0a94df448e549db64212cd
[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" "e470664a350af35c0066688cc74fe52681896e85ba0a94df448e549db64212cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitlab v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "e470664a350af35c0066688cc74fe52681896e85ba0a94df448e549db64212cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e470664a350af35c0066688cc74fe52681896e85ba0a94df448e549db64212cd", kill_on_drop: false }`
[INFO] [stdout] e470664a350af35c0066688cc74fe52681896e85ba0a94df448e549db64212cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] e938d4103f8305a4028354f0b466d1b19c9341d2ea9d79d192947419a1cb73f8
[INFO] running `Command { std: "docker" "start" "-a" "e938d4103f8305a4028354f0b466d1b19c9341d2ea9d79d192947419a1cb73f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitlab-cdcf5c3b0cbf9290
[INFO] [stdout] running 26 tests
[INFO] [stdout] test tests::correct_results ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_16_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::inserting_32_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::extract_from_vector ... ok
[INFO] [stdout] test tests::source_must_not_change ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::single_bits ... ok
[INFO] [stdout] test tests::inserting_into_a_vector ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::range_checks_for_vec_u8 ... ok
[INFO] [stdout] test tests::test_number_of_bits_required_for_an_unsinged_integer ... ok
[INFO] [stdout] test tests::test_number_of_bits_required_for_a_singed_integer ... ok
[INFO] [stdout] test tests::range_checks_for_integrals ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-fd3ae4061e6f712c
[INFO] [stdout] test tests::panics_as_expected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitlab
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[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 36) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e938d4103f8305a4028354f0b466d1b19c9341d2ea9d79d192947419a1cb73f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e938d4103f8305a4028354f0b466d1b19c9341d2ea9d79d192947419a1cb73f8", kill_on_drop: false }`
[INFO] [stdout] e938d4103f8305a4028354f0b466d1b19c9341d2ea9d79d192947419a1cb73f8