[INFO] fetching crate bit_reverse 0.1.8...
[INFO] testing bit_reverse-0.1.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bit_reverse 0.1.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bit_reverse 0.1.8 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 bit_reverse 0.1.8
[INFO] finished tweaking crates.io crate bit_reverse 0.1.8
[INFO] tweaked toml for crates.io crate bit_reverse 0.1.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 255e37b9790929627b71c626e0a3b5b52d09b5aeaa15f59fd310b895267470b6
[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" "255e37b9790929627b71c626e0a3b5b52d09b5aeaa15f59fd310b895267470b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255e37b9790929627b71c626e0a3b5b52d09b5aeaa15f59fd310b895267470b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255e37b9790929627b71c626e0a3b5b52d09b5aeaa15f59fd310b895267470b6", kill_on_drop: false }`
[INFO] [stdout] 255e37b9790929627b71c626e0a3b5b52d09b5aeaa15f59fd310b895267470b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] afa2880c980677e688207fc0ae635cdd96cde38735231bad5de7109c5ba409c2
[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" "afa2880c980677e688207fc0ae635cdd96cde38735231bad5de7109c5ba409c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_reverse v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "afa2880c980677e688207fc0ae635cdd96cde38735231bad5de7109c5ba409c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa2880c980677e688207fc0ae635cdd96cde38735231bad5de7109c5ba409c2", kill_on_drop: false }`
[INFO] [stdout] afa2880c980677e688207fc0ae635cdd96cde38735231bad5de7109c5ba409c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c88498c1e3f18e08079ba48174b9e483cd9c6bed86486cd3d7b96ce9abc36c5
[INFO] running `Command { std: "docker" "start" "-a" "0c88498c1e3f18e08079ba48174b9e483cd9c6bed86486cd3d7b96ce9abc36c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_reverse v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "0c88498c1e3f18e08079ba48174b9e483cd9c6bed86486cd3d7b96ce9abc36c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c88498c1e3f18e08079ba48174b9e483cd9c6bed86486cd3d7b96ce9abc36c5", kill_on_drop: false }`
[INFO] [stdout] 0c88498c1e3f18e08079ba48174b9e483cd9c6bed86486cd3d7b96ce9abc36c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] e664031506432c3208fddca0c0c97329dfcb42ba76a92d1b69fbb0bf0324142f
[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" "e664031506432c3208fddca0c0c97329dfcb42ba76a92d1b69fbb0bf0324142f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bit_reverse-b517a7640b892e60
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test bitwise::reverse_i16 ... ok
[INFO] [stdout] test bitwise::reverse_isize ... ok
[INFO] [stdout] test bitwise::reverse_i8 ... ok
[INFO] [stdout] test bitwise::reverse_i32 ... ok
[INFO] [stdout] test lookup::reverse_isize ... ok
[INFO] [stdout] test lookup::reverse_u16 ... ok
[INFO] [stdout] test lookup::reverse_u32 ... ok
[INFO] [stdout] test parallel::reverse_i16 ... ok
[INFO] [stdout] test lookup::reverse_u8 ... ok
[INFO] [stdout] test lookup::reverse_usize ... ok
[INFO] [stdout] test lookup::reverse_u64 ... ok
[INFO] [stdout] test parallel::reverse_i32 ... ok
[INFO] [stdout] test parallel::reverse_i64 ... ok
[INFO] [stdout] test parallel::reverse_i8 ... ok
[INFO] [stdout] test parallel::reverse_isize ... ok
[INFO] [stdout] test parallel::reverse_u16 ... ok
[INFO] [stdout] test parallel::reverse_u32 ... ok
[INFO] [stdout] test parallel::reverse_u64 ... ok
[INFO] [stdout] test parallel::reverse_u8 ... ok
[INFO] [stdout] test parallel::reverse_usize ... ok
[INFO] [stdout] test lookup::reverse_i32 ... ok
[INFO] [stdout] test lookup::reverse_i8 ... ok
[INFO] [stdout] test bitwise::reverse_u64 ... ok
[INFO] [stdout] test lookup::reverse_i64 ... ok
[INFO] [stdout] test bitwise::reverse_u16 ... ok
[INFO] [stdout] test bitwise::reverse_u8 ... ok
[INFO] [stdout] test bitwise::reverse_usize ... ok
[INFO] [stdout] test lookup::reverse_i16 ... ok
[INFO] [stderr]    Doc-tests bit_reverse
[INFO] [stdout] test bitwise::reverse_u32 ... ok
[INFO] [stdout] test bitwise::reverse_i64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e664031506432c3208fddca0c0c97329dfcb42ba76a92d1b69fbb0bf0324142f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e664031506432c3208fddca0c0c97329dfcb42ba76a92d1b69fbb0bf0324142f", kill_on_drop: false }`
[INFO] [stdout] e664031506432c3208fddca0c0c97329dfcb42ba76a92d1b69fbb0bf0324142f