[INFO] fetching crate cai_hamming 0.1.0...
[INFO] testing cai_hamming-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cai_hamming 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cai_hamming 0.1.0 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 cai_hamming 0.1.0
[INFO] finished tweaking crates.io crate cai_hamming 0.1.0
[INFO] tweaked toml for crates.io crate cai_hamming 0.1.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 45dbb47279d5ef09623c0105c08954240309137290cadc9d9e7547d330d14a83
[INFO] running `Command { std: "docker" "start" "-a" "45dbb47279d5ef09623c0105c08954240309137290cadc9d9e7547d330d14a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45dbb47279d5ef09623c0105c08954240309137290cadc9d9e7547d330d14a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45dbb47279d5ef09623c0105c08954240309137290cadc9d9e7547d330d14a83", kill_on_drop: false }`
[INFO] [stdout] 45dbb47279d5ef09623c0105c08954240309137290cadc9d9e7547d330d14a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9541885efbf834f5b1de3fe42ac9744734ea878dcb2e584eebd87e8e67628a1b
[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" "9541885efbf834f5b1de3fe42ac9744734ea878dcb2e584eebd87e8e67628a1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling binfield_matrix v0.2.0
[INFO] [stderr]    Compiling cai_hamming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "9541885efbf834f5b1de3fe42ac9744734ea878dcb2e584eebd87e8e67628a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9541885efbf834f5b1de3fe42ac9744734ea878dcb2e584eebd87e8e67628a1b", kill_on_drop: false }`
[INFO] [stdout] 9541885efbf834f5b1de3fe42ac9744734ea878dcb2e584eebd87e8e67628a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c8561736e76271904dfce2b09cc5d8e208f39179f29f702022f05317ae3d3696
[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" "c8561736e76271904dfce2b09cc5d8e208f39179f29f702022f05317ae3d3696", kill_on_drop: false }`
[INFO] [stderr]    Compiling cai_hamming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c8561736e76271904dfce2b09cc5d8e208f39179f29f702022f05317ae3d3696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8561736e76271904dfce2b09cc5d8e208f39179f29f702022f05317ae3d3696", kill_on_drop: false }`
[INFO] [stdout] c8561736e76271904dfce2b09cc5d8e208f39179f29f702022f05317ae3d3696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d6fa95857cecd595901844615492931b53907a97551dc1d4c36ad8f93ade3e1c
[INFO] running `Command { std: "docker" "start" "-a" "d6fa95857cecd595901844615492931b53907a97551dc1d4c36ad8f93ade3e1c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cai_hamming-2b0c58e0e9e5f265
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_decode ... 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 cai_hamming
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6fa95857cecd595901844615492931b53907a97551dc1d4c36ad8f93ade3e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6fa95857cecd595901844615492931b53907a97551dc1d4c36ad8f93ade3e1c", kill_on_drop: false }`
[INFO] [stdout] d6fa95857cecd595901844615492931b53907a97551dc1d4c36ad8f93ade3e1c