[INFO] fetching crate rust_hamming_distance 0.1.1...
[INFO] testing rust_hamming_distance-0.1.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate rust_hamming_distance 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rust_hamming_distance 0.1.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_hamming_distance 0.1.1
[INFO] finished tweaking crates.io crate rust_hamming_distance 0.1.1
[INFO] tweaked toml for crates.io crate rust_hamming_distance 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecffab568bf65f685f5df9aed19d6cdb48702f9d63101ee724d4a167d0d84ea7
[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" "ecffab568bf65f685f5df9aed19d6cdb48702f9d63101ee724d4a167d0d84ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecffab568bf65f685f5df9aed19d6cdb48702f9d63101ee724d4a167d0d84ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecffab568bf65f685f5df9aed19d6cdb48702f9d63101ee724d4a167d0d84ea7", kill_on_drop: false }`
[INFO] [stdout] ecffab568bf65f685f5df9aed19d6cdb48702f9d63101ee724d4a167d0d84ea7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9488d4f6aed2a68dfccc67b422780177ec63470d69bb2f4b11f76411a8afa88b
[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" "9488d4f6aed2a68dfccc67b422780177ec63470d69bb2f4b11f76411a8afa88b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_hamming_distance v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "9488d4f6aed2a68dfccc67b422780177ec63470d69bb2f4b11f76411a8afa88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9488d4f6aed2a68dfccc67b422780177ec63470d69bb2f4b11f76411a8afa88b", kill_on_drop: false }`
[INFO] [stdout] 9488d4f6aed2a68dfccc67b422780177ec63470d69bb2f4b11f76411a8afa88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1089998bfa66a0871d1daade4dc656591c312f9fcd6e80f6a792483e6b38e04
[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" "d1089998bfa66a0871d1daade4dc656591c312f9fcd6e80f6a792483e6b38e04", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_hamming_distance v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d1089998bfa66a0871d1daade4dc656591c312f9fcd6e80f6a792483e6b38e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1089998bfa66a0871d1daade4dc656591c312f9fcd6e80f6a792483e6b38e04", kill_on_drop: false }`
[INFO] [stdout] d1089998bfa66a0871d1daade4dc656591c312f9fcd6e80f6a792483e6b38e04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] ccec3f48f8129cfbef72f10e5042394d221e3effee0557915539a5b8d438af87
[INFO] running `Command { std: "docker" "start" "-a" "ccec3f48f8129cfbef72f10e5042394d221e3effee0557915539a5b8d438af87", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_hamming_distance-67b59cf74e675dee
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test bitwise_hamming_distance::tests::u8_slice_bitwise_hamming_distance ... ok
[INFO] [stdout] test bitwise_hamming_distance::tests::u8_slice_bitwise_hamming_distance_error ... ok
[INFO] [stdout] test bitwise_hamming_distance::tests::u8_bitwise_hamming_distance ... ok
[INFO] [stdout] test bitwise_hamming_distance::tests::u8_vec_bitwise_hamming_distance ... ok
[INFO] [stdout] test bitwise_hamming_distance::tests::u8_vec_bitwise_hamming_distance_error ... ok
[INFO] [stdout] test hamming_distance::tests::slice_hamming_distance_error ... ok
[INFO] [stdout] test hamming_distance::tests::borrowed_string_hamming_distance ... ok
[INFO] [stdout] test hamming_distance::tests::vec_hamming_distance ... ok
[INFO] [stdout] test bitwise_hamming_distance::tests::string_byte_comparison ... ok
[INFO] [stdout] test hamming_distance::tests::vec_hamming_distance_error ... ok
[INFO] [stdout] test hamming_distance::tests::slice_hamming_distance ... ok
[INFO] [stdout] test hamming_distance::tests::borrowed_string_hamming_distance_error ... ok
[INFO] [stdout] test hamming_distance::tests::string_hamming_distance ... ok
[INFO] [stdout] test hamming_distance::tests::string_hamming_distance_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_hamming_distance
[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" "ccec3f48f8129cfbef72f10e5042394d221e3effee0557915539a5b8d438af87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccec3f48f8129cfbef72f10e5042394d221e3effee0557915539a5b8d438af87", kill_on_drop: false }`
[INFO] [stdout] ccec3f48f8129cfbef72f10e5042394d221e3effee0557915539a5b8d438af87