[INFO] fetching crate graph6 2.0.1...
[INFO] testing graph6-2.0.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate graph6 2.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate graph6 2.0.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate graph6 2.0.1
[INFO] finished tweaking crates.io crate graph6 2.0.1
[INFO] tweaked toml for crates.io crate graph6 2.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 98c0881a3a70f6447eb2117a1a8003634e48362bab2cac14cf00eb004c805f1c
[INFO] running `"docker" "start" "-a" "98c0881a3a70f6447eb2117a1a8003634e48362bab2cac14cf00eb004c805f1c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling graph6 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "98c0881a3a70f6447eb2117a1a8003634e48362bab2cac14cf00eb004c805f1c"`
[INFO] running `"docker" "rm" "-f" "98c0881a3a70f6447eb2117a1a8003634e48362bab2cac14cf00eb004c805f1c"`
[INFO] [stdout] 98c0881a3a70f6447eb2117a1a8003634e48362bab2cac14cf00eb004c805f1c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a7031438e6cb7978ceeeb6ee6da5ec07cc3804cc41385def0f002c1e0fab197
[INFO] running `"docker" "start" "-a" "4a7031438e6cb7978ceeeb6ee6da5ec07cc3804cc41385def0f002c1e0fab197"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling graph6 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "4a7031438e6cb7978ceeeb6ee6da5ec07cc3804cc41385def0f002c1e0fab197"`
[INFO] running `"docker" "rm" "-f" "4a7031438e6cb7978ceeeb6ee6da5ec07cc3804cc41385def0f002c1e0fab197"`
[INFO] [stdout] 4a7031438e6cb7978ceeeb6ee6da5ec07cc3804cc41385def0f002c1e0fab197
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 633cdf3bd0287491d93de6171d4a313061ae69a470e57d4a52d6d299ee33ea31
[INFO] running `"docker" "start" "-a" "633cdf3bd0287491d93de6171d4a313061ae69a470e57d4a52d6d299ee33ea31"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/graph6-416e5326c2a3e046
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::size_120000_to_bytes ... ok
[INFO] [stdout] test tests::size_four_graph_to_adjacency_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graph6
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - string_to_adjacency_matrix (line 15) ... ok
[INFO] [stdout] test src/lib.rs - adjacency_matrix_to_string (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "633cdf3bd0287491d93de6171d4a313061ae69a470e57d4a52d6d299ee33ea31"`
[INFO] running `"docker" "rm" "-f" "633cdf3bd0287491d93de6171d4a313061ae69a470e57d4a52d6d299ee33ea31"`
[INFO] [stdout] 633cdf3bd0287491d93de6171d4a313061ae69a470e57d4a52d6d299ee33ea31