[INFO] cloning repository https://github.com/duongdominhchau/basic_problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duongdominhchau/basic_problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduongdominhchau%2Fbasic_problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduongdominhchau%2Fbasic_problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43078bc86e1027ceae0da2d3e212e86d386a0e42
[INFO] testing duongdominhchau/basic_problems against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduongdominhchau%2Fbasic_problems" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duongdominhchau/basic_problems on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duongdominhchau/basic_problems
[INFO] finished tweaking git repo https://github.com/duongdominhchau/basic_problems
[INFO] tweaked toml for git repo https://github.com/duongdominhchau/basic_problems written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/duongdominhchau/basic_problems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32dc0acf54f1213c6900e9cd1927a1ca15fe2d5225d0c09c7a85c696da91da41
[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" "32dc0acf54f1213c6900e9cd1927a1ca15fe2d5225d0c09c7a85c696da91da41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32dc0acf54f1213c6900e9cd1927a1ca15fe2d5225d0c09c7a85c696da91da41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32dc0acf54f1213c6900e9cd1927a1ca15fe2d5225d0c09c7a85c696da91da41", kill_on_drop: false }`
[INFO] [stdout] 32dc0acf54f1213c6900e9cd1927a1ca15fe2d5225d0c09c7a85c696da91da41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a33037ab13acbeac345214fd14c63b5c061b8a350d14684af456c9d33d64fb8
[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" "6a33037ab13acbeac345214fd14c63b5c061b8a350d14684af456c9d33d64fb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling basic_problems v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "6a33037ab13acbeac345214fd14c63b5c061b8a350d14684af456c9d33d64fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a33037ab13acbeac345214fd14c63b5c061b8a350d14684af456c9d33d64fb8", kill_on_drop: false }`
[INFO] [stdout] 6a33037ab13acbeac345214fd14c63b5c061b8a350d14684af456c9d33d64fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b13ebf0736b5d13f95f97a9d3b0946436ddb8f2656f78ff7c37e3cfc1953980b
[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" "b13ebf0736b5d13f95f97a9d3b0946436ddb8f2656f78ff7c37e3cfc1953980b", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_problems v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "b13ebf0736b5d13f95f97a9d3b0946436ddb8f2656f78ff7c37e3cfc1953980b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13ebf0736b5d13f95f97a9d3b0946436ddb8f2656f78ff7c37e3cfc1953980b", kill_on_drop: false }`
[INFO] [stdout] b13ebf0736b5d13f95f97a9d3b0946436ddb8f2656f78ff7c37e3cfc1953980b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c452edcf013ff5d323ff9881d41bf4753016880a47c75719932da361c8b7776
[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" "2c452edcf013ff5d323ff9881d41bf4753016880a47c75719932da361c8b7776", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic_problems-d559b85065956123
[INFO] [stdout] running 11 tests
[INFO] [stdout] test cryptology::tests::test_caesar_decrypt ... ok
[INFO] [stdout] test cryptology::tests::test_caesar_encrypt ... ok
[INFO] [stdout] test string::tests::test_is_palindrome ... ok
[INFO] [stdout] test unsorted::tests::test_count_english_vowel ... ok
[INFO] [stdout] test unsorted::tests::test_sum_digits ... ok
[INFO] [stdout] test prime::tests::test_is_prime ... ok
[INFO] [stdout] test unsorted::tests::test_is_triangle ... ok
[INFO] [stdout] test unsorted::tests::test_is_right_triangle ... ok
[INFO] [stdout] test prime::tests::test_erastosthenes_sieve ... ok
[INFO] [stdout] test unsorted::tests::test_is_right_triangle_panic_on_negative_input ... ok
[INFO] [stdout] test unsorted::tests::test_is_triangle_panic_on_negative_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests basic_problems
[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" "2c452edcf013ff5d323ff9881d41bf4753016880a47c75719932da361c8b7776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c452edcf013ff5d323ff9881d41bf4753016880a47c75719932da361c8b7776", kill_on_drop: false }`
[INFO] [stdout] 2c452edcf013ff5d323ff9881d41bf4753016880a47c75719932da361c8b7776