[INFO] fetching crate hello_exercism 0.5.5...
[INFO] testing hello_exercism-0.5.5 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate hello_exercism 0.5.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hello_exercism 0.5.5 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hello_exercism 0.5.5
[INFO] finished tweaking crates.io crate hello_exercism 0.5.5
[INFO] tweaked toml for crates.io crate hello_exercism 0.5.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate hello_exercism 0.5.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1871b9a550f574f1bf4cb5f04cd5e967208322f5eed1b233b2155c178ea13cef
[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" "1871b9a550f574f1bf4cb5f04cd5e967208322f5eed1b233b2155c178ea13cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1871b9a550f574f1bf4cb5f04cd5e967208322f5eed1b233b2155c178ea13cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1871b9a550f574f1bf4cb5f04cd5e967208322f5eed1b233b2155c178ea13cef", kill_on_drop: false }`
[INFO] [stdout] 1871b9a550f574f1bf4cb5f04cd5e967208322f5eed1b233b2155c178ea13cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147a63e82066b73bc6aac97c6a7c4cae67e3643f01d42d6547446ce4f30843f7
[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" "147a63e82066b73bc6aac97c6a7c4cae67e3643f01d42d6547446ce4f30843f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_extern v0.1.1
[INFO] [stderr]    Compiling hello_exercism v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "147a63e82066b73bc6aac97c6a7c4cae67e3643f01d42d6547446ce4f30843f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147a63e82066b73bc6aac97c6a7c4cae67e3643f01d42d6547446ce4f30843f7", kill_on_drop: false }`
[INFO] [stdout] 147a63e82066b73bc6aac97c6a7c4cae67e3643f01d42d6547446ce4f30843f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8908560bb8e76076db462c250b041d02e287e0f55e073305bc4e575f08672ce5
[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" "8908560bb8e76076db462c250b041d02e287e0f55e073305bc4e575f08672ce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_exercism v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "8908560bb8e76076db462c250b041d02e287e0f55e073305bc4e575f08672ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8908560bb8e76076db462c250b041d02e287e0f55e073305bc4e575f08672ce5", kill_on_drop: false }`
[INFO] [stdout] 8908560bb8e76076db462c250b041d02e287e0f55e073305bc4e575f08672ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 75c3565e7e017e94a19c6a49e773029983627e8d15b01921fafbf542f303e6a1
[INFO] running `Command { std: "docker" "start" "-a" "75c3565e7e017e94a19c6a49e773029983627e8d15b01921fafbf542f303e6a1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_exercism-aaa7900e3388e595)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running tests/i_hello.rs (/opt/rustwide/target/debug/deps/i_hello-d4dec188f4f34455)
[INFO] [stdout] test i_hello::it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] test integration_tests::i_hello::it_works_with_only_extern ... ok
[INFO] [stdout] test private_tests_without_use::it_works_at_private ... ok
[INFO] [stdout] test private_tests_with_use::it_works_at_private ... ok
[INFO] [stdout] test private_tests::owned_hello::it_works_at_private ... ok
[INFO] [stdout] test owned_hello::it_works_at_private ... ok
[INFO] [stdout] test integration_tests::i_hello::it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] test i_hello::it_works_with_only_extern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works_with_extern ... ok
[INFO] [stdout] test it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/u_hello.rs (/opt/rustwide/target/debug/deps/u_hello-c9a2e6a6dc6b2a80)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works_at_uint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello_exercism
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75c3565e7e017e94a19c6a49e773029983627e8d15b01921fafbf542f303e6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c3565e7e017e94a19c6a49e773029983627e8d15b01921fafbf542f303e6a1", kill_on_drop: false }`
[INFO] [stdout] 75c3565e7e017e94a19c6a49e773029983627e8d15b01921fafbf542f303e6a1