[INFO] crate mcmf 2.0.0 is already in cache
[INFO] testing mcmf-2.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mcmf 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mcmf 2.0.0 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 mcmf 2.0.0
[INFO] finished tweaking crates.io crate mcmf 2.0.0
[INFO] tweaked toml for crates.io crate mcmf 2.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 82f60efb6874ca6d30938af30bdbfe49b8e9ff7fe5d0f84d2bfa881b6e42f4e0
[INFO] running `"docker" "start" "-a" "82f60efb6874ca6d30938af30bdbfe49b8e9ff7fe5d0f84d2bfa881b6e42f4e0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mcmf v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'gcc::Build': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut config = gcc::Build::new();
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut config = gcc::Build::new();
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `"docker" "inspect" "82f60efb6874ca6d30938af30bdbfe49b8e9ff7fe5d0f84d2bfa881b6e42f4e0"`
[INFO] running `"docker" "rm" "-f" "82f60efb6874ca6d30938af30bdbfe49b8e9ff7fe5d0f84d2bfa881b6e42f4e0"`
[INFO] [stdout] 82f60efb6874ca6d30938af30bdbfe49b8e9ff7fe5d0f84d2bfa881b6e42f4e0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f970c5ef9a3a2296e71bcbfb53106ff8ba5a67a54ea61209e23839a3785f252f
[INFO] running `"docker" "start" "-a" "f970c5ef9a3a2296e71bcbfb53106ff8ba5a67a54ea61209e23839a3785f252f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'gcc::Build': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut config = gcc::Build::new();
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut config = gcc::Build::new();
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling mcmf v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `"docker" "inspect" "f970c5ef9a3a2296e71bcbfb53106ff8ba5a67a54ea61209e23839a3785f252f"`
[INFO] running `"docker" "rm" "-f" "f970c5ef9a3a2296e71bcbfb53106ff8ba5a67a54ea61209e23839a3785f252f"`
[INFO] [stdout] f970c5ef9a3a2296e71bcbfb53106ff8ba5a67a54ea61209e23839a3785f252f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 78ff89d5df81632f2e5f2a16ed88c2a159065a86c0a8593074d3dfdcc82a7696
[INFO] running `"docker" "start" "-a" "78ff89d5df81632f2e5f2a16ed88c2a159065a86c0a8593074d3dfdcc82a7696"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item 'gcc::Build': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut config = gcc::Build::new();
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stderr]  --> build.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut config = gcc::Build::new();
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcmf-80dfe7685e3faa5f
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::large_capacities ... ok
[INFO] [stdout] test tests::empty_graph ... ok
[INFO] [stdout] test tests::mcmf ... ok
[INFO] [stdout] test tests::large_number ... ok
[INFO] [stdout] test tests::negative_capacity_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcmf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/lib.rs - GraphBuilder (line 217) ... 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" "78ff89d5df81632f2e5f2a16ed88c2a159065a86c0a8593074d3dfdcc82a7696"`
[INFO] running `"docker" "rm" "-f" "78ff89d5df81632f2e5f2a16ed88c2a159065a86c0a8593074d3dfdcc82a7696"`
[INFO] [stdout] 78ff89d5df81632f2e5f2a16ed88c2a159065a86c0a8593074d3dfdcc82a7696