[INFO] cloning repository https://github.com/seungha-kim/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seungha-kim/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d68a9bf554865f68025307033b6466798698d7d
[INFO] testing seungha-kim/rust-practice against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseungha-kim%2Frust-practice" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seungha-kim/rust-practice on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seungha-kim/rust-practice
[INFO] finished tweaking git repo https://github.com/seungha-kim/rust-practice
[INFO] tweaked toml for git repo https://github.com/seungha-kim/rust-practice written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/seungha-kim/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] ddd1156c93b31e57f2d884b61e91b24339e1882e513bd91ebfb309e0d841bef1
[INFO] running `Command { std: "docker" "start" "-a" "ddd1156c93b31e57f2d884b61e91b24339e1882e513bd91ebfb309e0d841bef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd1156c93b31e57f2d884b61e91b24339e1882e513bd91ebfb309e0d841bef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd1156c93b31e57f2d884b61e91b24339e1882e513bd91ebfb309e0d841bef1", kill_on_drop: false }`
[INFO] [stdout] ddd1156c93b31e57f2d884b61e91b24339e1882e513bd91ebfb309e0d841bef1
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4257734d5a125cfbbd74a5981b20b87521d394d525ceb5149665d82af83e79c
[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" "a4257734d5a125cfbbd74a5981b20b87521d394d525ceb5149665d82af83e79c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling snakehead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "a4257734d5a125cfbbd74a5981b20b87521d394d525ceb5149665d82af83e79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4257734d5a125cfbbd74a5981b20b87521d394d525ceb5149665d82af83e79c", kill_on_drop: false }`
[INFO] [stdout] a4257734d5a125cfbbd74a5981b20b87521d394d525ceb5149665d82af83e79c
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00cc6f0b122933c5eae02508bb8d2288aed212cc70b673e0009cc73b4e1b2662
[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" "00cc6f0b122933c5eae02508bb8d2288aed212cc70b673e0009cc73b4e1b2662", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snakehead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "00cc6f0b122933c5eae02508bb8d2288aed212cc70b673e0009cc73b4e1b2662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cc6f0b122933c5eae02508bb8d2288aed212cc70b673e0009cc73b4e1b2662", kill_on_drop: false }`
[INFO] [stdout] 00cc6f0b122933c5eae02508bb8d2288aed212cc70b673e0009cc73b4e1b2662
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c319ffae08c5f91cb705a25b29a96eaa171591b6cfe8b3f6d74930d4cff64718
[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" "c319ffae08c5f91cb705a25b29a96eaa171591b6cfe8b3f6d74930d4cff64718", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snakehead-739336a9921c92e8
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test closure::mutandonce::tests::capture_test ... ok
[INFO] [stdout] test closure::mutandonce::tests::memo ... ok
[INFO] [stdout] test closure::mutandonce::tests::works2 ... ok
[INFO] [stdout] test collections::vec::tests::vec_get ... ok
[INFO] [stdout] test closure::mutandonce::tests::memo_drop_works1 ... ok
[INFO] [stdout] test collections::vec::tests::vec_mut_el ... ok
[INFO] [stdout] test collections::vec::tests::add_works ... ok
[INFO] [stdout] test collections::vec::tests::vec_ownership ... ok
[INFO] [stdout] test copy::copy::tests::drop_works ... ok
[INFO] [stdout] test copy::copy::tests::reference_is_copiable2 ... ok
[INFO] [stdout] test lifetime::longest::tests::longest_workd ... ok
[INFO] [stdout] test smart::tests::deref_coercion ... ok
[INFO] [stdout] test smart::tests::test ... ok
[INFO] [stdout] test traits::largest::tests::largest_works ... ok
[INFO] [stdout] test smart::list::tests::list_works ... ok
[INFO] [stdout] test traits::largest::tests::largest_ref_works ... ok
[INFO] [stdout] test copy::copy::tests::copy_works ... ok
[INFO] [stdout] test closure::mutandonce::tests::memo_copy_works ... ok
[INFO] [stdout] test copy::copy::tests::reference_is_copiable ... ok
[INFO] [stdout] test closure::mutandonce::tests::memo_drop_works2 ... ok
[INFO] [stdout] test collections::string::tests::string_plus ... ok
[INFO] [stdout] test closure::mutandonce::tests::works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snakehead-bfd815c9d408d093
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snakehead
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c319ffae08c5f91cb705a25b29a96eaa171591b6cfe8b3f6d74930d4cff64718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c319ffae08c5f91cb705a25b29a96eaa171591b6cfe8b3f6d74930d4cff64718", kill_on_drop: false }`
[INFO] [stdout] c319ffae08c5f91cb705a25b29a96eaa171591b6cfe8b3f6d74930d4cff64718