[INFO] fetching crate xor_name 3.1.0...
[INFO] testing xor_name-3.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xor_name 3.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xor_name 3.1.0 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 xor_name 3.1.0
[INFO] finished tweaking crates.io crate xor_name 3.1.0
[INFO] tweaked toml for crates.io crate xor_name 3.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 69c0872d2b5051e9a26392c1c3c694e38c1bc5810e480a233fdee6b1a475b2e4
[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" "69c0872d2b5051e9a26392c1c3c694e38c1bc5810e480a233fdee6b1a475b2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69c0872d2b5051e9a26392c1c3c694e38c1bc5810e480a233fdee6b1a475b2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c0872d2b5051e9a26392c1c3c694e38c1bc5810e480a233fdee6b1a475b2e4", kill_on_drop: false }`
[INFO] [stdout] 69c0872d2b5051e9a26392c1c3c694e38c1bc5810e480a233fdee6b1a475b2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8564864538a2c0e0cc818c405f859f72350346a9ea46968b1b5660933a1f8cb3
[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" "8564864538a2c0e0cc818c405f859f72350346a9ea46968b1b5660933a1f8cb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling xor_name v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "8564864538a2c0e0cc818c405f859f72350346a9ea46968b1b5660933a1f8cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8564864538a2c0e0cc818c405f859f72350346a9ea46968b1b5660933a1f8cb3", kill_on_drop: false }`
[INFO] [stdout] 8564864538a2c0e0cc818c405f859f72350346a9ea46968b1b5660933a1f8cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6e708ec0745d0612e748c590c995ce086fc309f7ac0c25530c768e3d947736d4
[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" "6e708ec0745d0612e748c590c995ce086fc309f7ac0c25530c768e3d947736d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rmp-serde v0.15.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling xor_name v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "6e708ec0745d0612e748c590c995ce086fc309f7ac0c25530c768e3d947736d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e708ec0745d0612e748c590c995ce086fc309f7ac0c25530c768e3d947736d4", kill_on_drop: false }`
[INFO] [stdout] 6e708ec0745d0612e748c590c995ce086fc309f7ac0c25530c768e3d947736d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d61b7a4392fb463323fab9b65148d203e89e4b88979aea92f7d63c845179f461
[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" "d61b7a4392fb463323fab9b65148d203e89e4b88979aea92f7d63c845179f461", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xor_name-08df9ae294a82573)
[INFO] [stdout] test prefix::tests::ancestors ... ok
[INFO] [stdout] test prefix::tests::prefix ... ok
[INFO] [stdout] test tests::bit ... ok
[INFO] [stdout] test tests::cmp_distance ... ok
[INFO] [stdout] test tests::format_binary ... ok
[INFO] [stdout] test tests::conversion_from_u64 ... ok
[INFO] [stdout] test tests::serialisation_xor_name ... ok
[INFO] [stdout] test tests::format_hex ... ok
[INFO] [stdout] test tests::xor_name_ord ... ok
[INFO] [stdout] test tests::set_remaining ... ok
[INFO] [stdout] test tests::create_random_xorname ... ok
[INFO] [stdout] test tests::xor_name_from_content_is_agnostic_to_where_content_parts_splits ... ok
[INFO] [stdout] test tests::format_debug ... ok
[INFO] [stdout] test tests::with_flipped_bit ... ok
[INFO] [stdout] test tests::xor_name_from_content ... ok
[INFO] [stdout] test tests::common_prefix ... ok
[INFO] [stdout] test tests::xor_name_equal_assertion ... ok
[INFO] [stdout] test prefix::tests::format_binary ... ok
[INFO] [stdout] test tests::xor_name_macro ... ok
[INFO] [stdout] test prefix::tests::breadth_first_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xor_name
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d61b7a4392fb463323fab9b65148d203e89e4b88979aea92f7d63c845179f461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61b7a4392fb463323fab9b65148d203e89e4b88979aea92f7d63c845179f461", kill_on_drop: false }`
[INFO] [stdout] d61b7a4392fb463323fab9b65148d203e89e4b88979aea92f7d63c845179f461