[INFO] updating cached repository https://github.com/ANtlord/system_ladder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d716b3369a3c659c43f55e080663d599c95dd281
[INFO] testing ANtlord/system_ladder against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FANtlord%2Fsystem_ladder" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ANtlord/system_ladder on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ANtlord/system_ladder
[INFO] finished tweaking git repo https://github.com/ANtlord/system_ladder
[INFO] tweaked toml for git repo https://github.com/ANtlord/system_ladder written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ANtlord/system_ladder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-06-03" "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] 6da37d2dd0697ccd08ac59c9ac8a0b43121fb02283f4451fab5ba210a030e7d4
[INFO] running `"docker" "start" "-a" "6da37d2dd0697ccd08ac59c9ac8a0b43121fb02283f4451fab5ba210a030e7d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling system_ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/mod.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Func = Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `"docker" "inspect" "6da37d2dd0697ccd08ac59c9ac8a0b43121fb02283f4451fab5ba210a030e7d4"`
[INFO] running `"docker" "rm" "-f" "6da37d2dd0697ccd08ac59c9ac8a0b43121fb02283f4451fab5ba210a030e7d4"`
[INFO] [stdout] 6da37d2dd0697ccd08ac59c9ac8a0b43121fb02283f4451fab5ba210a030e7d4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-06-03" "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] fabbfad1bb88157589a9eeeef70ccfaf47f2d8a15147ee97c2f2c48205490d84
[INFO] running `"docker" "start" "-a" "fabbfad1bb88157589a9eeeef70ccfaf47f2d8a15147ee97c2f2c48205490d84"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling system_ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/mod.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Func = Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "fabbfad1bb88157589a9eeeef70ccfaf47f2d8a15147ee97c2f2c48205490d84"`
[INFO] running `"docker" "rm" "-f" "fabbfad1bb88157589a9eeeef70ccfaf47f2d8a15147ee97c2f2c48205490d84"`
[INFO] [stdout] fabbfad1bb88157589a9eeeef70ccfaf47f2d8a15147ee97c2f2c48205490d84
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-06-03" "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] 692d920a3156ea0c1b1087c1bf6a8344d523c73a9dfb2560ffd77c7f9f993050
[INFO] running `"docker" "start" "-a" "692d920a3156ea0c1b1087c1bf6a8344d523c73a9dfb2560ffd77c7f9f993050"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/mod.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Func = Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/system_ladder-0dfa602b497ae529
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test utils::tests::equal_elements ... ok
[INFO] [stdout] test utils::tests::even_elements ... ok
[INFO] [stdout] test list::tests::pop_front ... ok
[INFO] [stdout] test list::tests::pop_back ... ok
[INFO] [stdout] test utils::tests::two_element ... ok
[INFO] [stdout] test utils::tests::single_element ... ok
[INFO] [stdout] test utils::tests::two_sorted_elements ... ok
[INFO] [stdout] test list::tests::iter_filled ... ok
[INFO] [stdout] test utils::vector::tests::odds_more_than_evens ... ok
[INFO] [stdout] test utils::vector::tests::sample_no_duplicates ... ok
[INFO] [stdout] test utils::vector::tests::sample_with_duplicates ... ok
[INFO] [stdout] test list::tests::iter_empty ... ok
[INFO] [stdout] test list::tests::push_front ... ok
[INFO] [stdout] test list::tests::push_back ... ok
[INFO] [stdout] test tree::tests::sort_in_the_end ... ok
[INFO] [stdout] test utils::tests::equal_elements_with_pivot_duplicate ... ok
[INFO] [stdout] test list::tests::create_first ... ok
[INFO] [stdout] test list::item::tests::link_null_eq ... ok
[INFO] [stdout] test utils::tests::odd_elements ... ok
[INFO] [stdout] test fs::tests::test_pathbuf ... ok
[INFO] [stdout] test tree::tests::one ... ok
[INFO] [stdout] test list::item::tests::link_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "692d920a3156ea0c1b1087c1bf6a8344d523c73a9dfb2560ffd77c7f9f993050"`
[INFO] running `"docker" "rm" "-f" "692d920a3156ea0c1b1087c1bf6a8344d523c73a9dfb2560ffd77c7f9f993050"`
[INFO] [stdout] 692d920a3156ea0c1b1087c1bf6a8344d523c73a9dfb2560ffd77c7f9f993050