[INFO] cloning repository https://github.com/furuhama/open_data_structures_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/furuhama/open_data_structures_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fopen_data_structures_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fopen_data_structures_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b48012e701a6656e0e2284a20143d4abcc7e9c0a
[INFO] testing furuhama/open_data_structures_in_rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Fopen_data_structures_in_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/furuhama/open_data_structures_in_rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/furuhama/open_data_structures_in_rust
[INFO] finished tweaking git repo https://github.com/furuhama/open_data_structures_in_rust
[INFO] tweaked toml for git repo https://github.com/furuhama/open_data_structures_in_rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/furuhama/open_data_structures_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7402518003b7d03958df4b2718d14e6b5e9ba8f625661e962f7b7c897fc7dd83
[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" "7402518003b7d03958df4b2718d14e6b5e9ba8f625661e962f7b7c897fc7dd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7402518003b7d03958df4b2718d14e6b5e9ba8f625661e962f7b7c897fc7dd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7402518003b7d03958df4b2718d14e6b5e9ba8f625661e962f7b7c897fc7dd83", kill_on_drop: false }`
[INFO] [stdout] 7402518003b7d03958df4b2718d14e6b5e9ba8f625661e962f7b7c897fc7dd83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4c0d853df3cc139e5c298f35263d07044333869f06e898c6e812edb5cdcef7
[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" "2e4c0d853df3cc139e5c298f35263d07044333869f06e898c6e812edb5cdcef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling open_data_structures_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "2e4c0d853df3cc139e5c298f35263d07044333869f06e898c6e812edb5cdcef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4c0d853df3cc139e5c298f35263d07044333869f06e898c6e812edb5cdcef7", kill_on_drop: false }`
[INFO] [stdout] 2e4c0d853df3cc139e5c298f35263d07044333869f06e898c6e812edb5cdcef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1322ad10f08c2bae99e2f0506ea5d04e59c957cb747c45eede92cdf048ee954
[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" "b1322ad10f08c2bae99e2f0506ea5d04e59c957cb747c45eede92cdf048ee954", kill_on_drop: false }`
[INFO] [stderr]    Compiling open_data_structures_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "b1322ad10f08c2bae99e2f0506ea5d04e59c957cb747c45eede92cdf048ee954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1322ad10f08c2bae99e2f0506ea5d04e59c957cb747c45eede92cdf048ee954", kill_on_drop: false }`
[INFO] [stdout] b1322ad10f08c2bae99e2f0506ea5d04e59c957cb747c45eede92cdf048ee954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01de2c2eb135646558a3175b0a70d1cf85e9a8519da35b38b11e7927e3bb3d50
[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" "01de2c2eb135646558a3175b0a70d1cf85e9a8519da35b38b11e7927e3bb3d50", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/open_data_structures_in_rust-5428b8c5aff7edc9
[INFO] [stdout] running 6 tests
[INFO] [stdout] test modules::list_container::test::push_and_pop_randomly ... ok
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_first ... ok
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_last ... ok
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_first ... ok
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_last ... ok
[INFO] [stdout] test modules::uniq_set::test::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/open_data_structures_in_rust-5a7b465954f71ef8
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_last ... ok
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_first ... ok
[INFO] [stdout] test modules::list_container::test::push_to_first_pop_from_first ... ok
[INFO] [stdout] test modules::list_container::test::push_and_pop_randomly ... ok
[INFO] [stdout] test modules::list_container::test::push_to_last_pop_from_last ... ok
[INFO] [stdout] test modules::uniq_set::test::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests open_data_structures_in_rust
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01de2c2eb135646558a3175b0a70d1cf85e9a8519da35b38b11e7927e3bb3d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01de2c2eb135646558a3175b0a70d1cf85e9a8519da35b38b11e7927e3bb3d50", kill_on_drop: false }`
[INFO] [stdout] 01de2c2eb135646558a3175b0a70d1cf85e9a8519da35b38b11e7927e3bb3d50