[INFO] cloning repository https://github.com/alexsednz/learn-rust
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsednz%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97458398da7907e19a5e90340d638554d817c5a0
[INFO] testing alexsednz/learn-rust against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexsednz%2Flearn-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexsednz/learn-rust on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/alexsednz/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3fbe4ec45f74ac7e4b88f5baa418463723b8676245c7a590eced5298b2fb47e
[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" "d3fbe4ec45f74ac7e4b88f5baa418463723b8676245c7a590eced5298b2fb47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3fbe4ec45f74ac7e4b88f5baa418463723b8676245c7a590eced5298b2fb47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fbe4ec45f74ac7e4b88f5baa418463723b8676245c7a590eced5298b2fb47e", kill_on_drop: false }`
[INFO] [stdout] d3fbe4ec45f74ac7e4b88f5baa418463723b8676245c7a590eced5298b2fb47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ea555e48eeef75a893659b4a7e06c4ae07bd2138ed63f4c4475e4d08a0a2801
[INFO] running `Command { std: "docker" "start" "-a" "6ea555e48eeef75a893659b4a7e06c4ae07bd2138ed63f4c4475e4d08a0a2801", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6ea555e48eeef75a893659b4a7e06c4ae07bd2138ed63f4c4475e4d08a0a2801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea555e48eeef75a893659b4a7e06c4ae07bd2138ed63f4c4475e4d08a0a2801", kill_on_drop: false }`
[INFO] [stdout] 6ea555e48eeef75a893659b4a7e06c4ae07bd2138ed63f4c4475e4d08a0a2801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bbba67a94fcfca2d34d7b2ae5cf5df0d82dcebd410cea4f5ab2de5dc6db5e12
[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" "7bbba67a94fcfca2d34d7b2ae5cf5df0d82dcebd410cea4f5ab2de5dc6db5e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "7bbba67a94fcfca2d34d7b2ae5cf5df0d82dcebd410cea4f5ab2de5dc6db5e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbba67a94fcfca2d34d7b2ae5cf5df0d82dcebd410cea4f5ab2de5dc6db5e12", kill_on_drop: false }`
[INFO] [stdout] 7bbba67a94fcfca2d34d7b2ae5cf5df0d82dcebd410cea4f5ab2de5dc6db5e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e791b5e9734e8286bb5d33ef70292c7f8e71fce64daf7a59156b79d40591cd69
[INFO] running `Command { std: "docker" "start" "-a" "e791b5e9734e8286bb5d33ef70292c7f8e71fce64daf7a59156b79d40591cd69", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_rust-8f47b094ad5f2460
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test ref_lifetime::test::scoped_lifetime ... ok
[INFO] [stdout] test ref_lifetime::test::static_lifetime ... ok
[INFO] [stdout] test ref_spec::test::borrow_rvalue ... ok
[INFO] [stdout] test ref_spec::test::deref_coercion ... ok
[INFO] [stdout] test interior_mut::test::mock_gets_replaced ... ok
[INFO] [stdout] test interior_mut::test::mock_counts_calls ... ok
[INFO] [stdout] test full_qualifier::test::up_counter_method ... ok
[INFO] [stdout] test full_qualifier::test::up_counter_functions ... ok
[INFO] [stdout] test full_qualifier::test::flip_flop_method ... ok
[INFO] [stdout] test full_qualifier::test::flip_flop_functions ... ok
[INFO] [stdout] test enum_val::test::play ... ok
[INFO] [stdout] test full_qualifier::test::down_counter_method ... ok
[INFO] [stdout] test turbo_fish::test::specify_type_turbo_fish ... ok
[INFO] [stdout] test look_ahead::test::infer_type ... ok
[INFO] [stdout] test full_qualifier::test::down_counter_functions ... ok
[INFO] [stdout] test use_trait::test::trait_interface_call ... ok
[INFO] [stdout] test tuple::test::tuple_struct ... ok
[INFO] [stdout] test ref_spec::test::value_vs_ref ... ok
[INFO] [stdout] test turbo_fish::test::reference_examples ... ok
[INFO] [stdout] test turbo_fish::test::rust_infers_type ... ok
[INFO] [stdout] test use_trait::test::member_interface_call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 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/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] test src/ref_lifetime.rs - ref_lifetime::longest (line 23) ... ok
[INFO] [stdout] test src/use_trait.rs - use_trait::display_name (line 59) ... ok
[INFO] [stdout] test src/private_public.rs - private_public::sub (line 54) ... ok
[INFO] [stdout] test src/private_public.rs - private_public::b::dec (line 67) ... ok
[INFO] [stdout] test src/private_public.rs - private_public::b::comp (line 81) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e791b5e9734e8286bb5d33ef70292c7f8e71fce64daf7a59156b79d40591cd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e791b5e9734e8286bb5d33ef70292c7f8e71fce64daf7a59156b79d40591cd69", kill_on_drop: false }`
[INFO] [stdout] e791b5e9734e8286bb5d33ef70292c7f8e71fce64daf7a59156b79d40591cd69