[INFO] cloning repository https://github.com/alexsednz/learn-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexsednz/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsednz%2Flearn-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsednz%2Flearn-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 104294dc9d593cb2cdfbfab132e0254725673129
[INFO] testing alexsednz/learn-rust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsednz%2Flearn-rust" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexsednz/learn-rust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alexsednz/learn-rust
[INFO] finished tweaking git repo https://github.com/alexsednz/learn-rust
[INFO] tweaked toml for git repo https://github.com/alexsednz/learn-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/alexsednz/learn-rust already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7587aa949678f92ce74e5cbed68c6f03f944a03aa7dc3b847d82d607f75509ba
[INFO] running `"docker" "start" "-a" "7587aa949678f92ce74e5cbed68c6f03f944a03aa7dc3b847d82d607f75509ba"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "7587aa949678f92ce74e5cbed68c6f03f944a03aa7dc3b847d82d607f75509ba"`
[INFO] running `"docker" "rm" "-f" "7587aa949678f92ce74e5cbed68c6f03f944a03aa7dc3b847d82d607f75509ba"`
[INFO] [stdout] 7587aa949678f92ce74e5cbed68c6f03f944a03aa7dc3b847d82d607f75509ba
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 583eeb5470f92b1fb6405396a987d29cfcd5380ef4e77e5d47262a7eeb7d8996
[INFO] running `"docker" "start" "-a" "583eeb5470f92b1fb6405396a987d29cfcd5380ef4e77e5d47262a7eeb7d8996"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "583eeb5470f92b1fb6405396a987d29cfcd5380ef4e77e5d47262a7eeb7d8996"`
[INFO] running `"docker" "rm" "-f" "583eeb5470f92b1fb6405396a987d29cfcd5380ef4e77e5d47262a7eeb7d8996"`
[INFO] [stdout] 583eeb5470f92b1fb6405396a987d29cfcd5380ef4e77e5d47262a7eeb7d8996
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 774f6597534bbf76a7a4e0849a1794da4353acc5b113a4ee38604405fe7db18c
[INFO] running `"docker" "start" "-a" "774f6597534bbf76a7a4e0849a1794da4353acc5b113a4ee38604405fe7db18c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_rust-62acd77477f9e0aa
[INFO] [stdout] running 18 tests
[INFO] [stdout] test full_qualifier::test::flip_flop_method ... ok
[INFO] [stdout] test full_qualifier::test::down_counter_functions ... ok
[INFO] [stdout] test look_ahead::test::infer_type ... ok
[INFO] [stdout] test ref_lifetime::test::scoped_lifetime ... ok
[INFO] [stdout] test ref_lifetime::test::static_lifetime ... ok
[INFO] [stdout] test full_qualifier::test::up_counter_method ... ok
[INFO] [stdout] test ref_spec::test::borrow_rvalue ... ok
[INFO] [stdout] test ref_spec::test::value_vs_ref ... ok
[INFO] [stdout] test full_qualifier::test::flip_flop_functions ... ok
[INFO] [stdout] test tuple::test::tuple_struct ... ok
[INFO] [stdout] test full_qualifier::test::down_counter_method ... ok
[INFO] [stdout] test use_trait::test::member_interface_call ... ok
[INFO] [stdout] test use_trait::test::trait_interface_call ... ok
[INFO] [stdout] test ref_spec::test::deref_coercion ... ok
[INFO] [stdout] test interior_mut::test::mock_counts_calls ... ok
[INFO] [stdout] test enum_val::test::play ... ok
[INFO] [stdout] test full_qualifier::test::up_counter_functions ... ok
[INFO] [stdout] test interior_mut::test::mock_gets_replaced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learn-rust
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/private_public.rs - private_public::b::comp (line 81) ... ok
[INFO] [stdout] test src/private_public.rs - private_public::sub (line 54) ... ok
[INFO] [stdout] test src/ref_lifetime.rs - ref_lifetime::longest (line 23) ... ok
[INFO] [stdout] test src/private_public.rs - private_public::b::dec (line 67) ... ok
[INFO] [stdout] test src/use_trait.rs - use_trait::display_name (line 59) ... ok
[INFO] [stdout] test src/use_trait.rs - use_trait::display_l (line 71) ... ok
[INFO] [stdout] test src/full_qualifier.rs - full_qualifier::tik (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "774f6597534bbf76a7a4e0849a1794da4353acc5b113a4ee38604405fe7db18c"`
[INFO] running `"docker" "rm" "-f" "774f6597534bbf76a7a4e0849a1794da4353acc5b113a4ee38604405fe7db18c"`
[INFO] [stdout] 774f6597534bbf76a7a4e0849a1794da4353acc5b113a4ee38604405fe7db18c