[INFO] cloning repository https://github.com/tmazhuan/datastructures_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmazhuan/datastructures_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmazhuan%2Fdatastructures_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmazhuan%2Fdatastructures_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c4140b332eed402795fdca87d585183b8bd6de6
[INFO] testing tmazhuan/datastructures_algorithms against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmazhuan%2Fdatastructures_algorithms" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmazhuan/datastructures_algorithms on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tmazhuan/datastructures_algorithms
[INFO] finished tweaking git repo https://github.com/tmazhuan/datastructures_algorithms
[INFO] tweaked toml for git repo https://github.com/tmazhuan/datastructures_algorithms written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/tmazhuan/datastructures_algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9dcfe9ebea42cf80a7c91e50ce86ecd7fd7cd32ad270a468b026d35e4b8da8a
[INFO] running `Command { std: "docker" "start" "-a" "c9dcfe9ebea42cf80a7c91e50ce86ecd7fd7cd32ad270a468b026d35e4b8da8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9dcfe9ebea42cf80a7c91e50ce86ecd7fd7cd32ad270a468b026d35e4b8da8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9dcfe9ebea42cf80a7c91e50ce86ecd7fd7cd32ad270a468b026d35e4b8da8a", kill_on_drop: false }`
[INFO] [stdout] c9dcfe9ebea42cf80a7c91e50ce86ecd7fd7cd32ad270a468b026d35e4b8da8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e933b7c7ab456e83d79ea9f8e60864456b9ae50a9748845a3e8b733acdfd1171
[INFO] running `Command { std: "docker" "start" "-a" "e933b7c7ab456e83d79ea9f8e60864456b9ae50a9748845a3e8b733acdfd1171", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir/lists)
[INFO] [stderr]    Compiling fifo v0.1.0 (/opt/rustwide/workdir/fifo)
[INFO] [stderr]    Compiling lifo v0.1.0 (/opt/rustwide/workdir/lifo)
[INFO] [stderr]    Compiling tester v0.1.0 (/opt/rustwide/workdir/tester)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e933b7c7ab456e83d79ea9f8e60864456b9ae50a9748845a3e8b733acdfd1171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e933b7c7ab456e83d79ea9f8e60864456b9ae50a9748845a3e8b733acdfd1171", kill_on_drop: false }`
[INFO] [stdout] e933b7c7ab456e83d79ea9f8e60864456b9ae50a9748845a3e8b733acdfd1171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e9224612c083a0aade338fb197dc2c95091c2d1022b251bf30db30b8d02cc7
[INFO] running `Command { std: "docker" "start" "-a" "86e9224612c083a0aade338fb197dc2c95091c2d1022b251bf30db30b8d02cc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fifo v0.1.0 (/opt/rustwide/workdir/fifo)
[INFO] [stderr]    Compiling lifo v0.1.0 (/opt/rustwide/workdir/lifo)
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir/lists)
[INFO] [stderr]    Compiling tester v0.1.0 (/opt/rustwide/workdir/tester)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "86e9224612c083a0aade338fb197dc2c95091c2d1022b251bf30db30b8d02cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e9224612c083a0aade338fb197dc2c95091c2d1022b251bf30db30b8d02cc7", kill_on_drop: false }`
[INFO] [stdout] 86e9224612c083a0aade338fb197dc2c95091c2d1022b251bf30db30b8d02cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a646083a1d2d7872d1ec267896dbc83971839cda70261832625cb1b7ff08952
[INFO] running `Command { std: "docker" "start" "-a" "4a646083a1d2d7872d1ec267896dbc83971839cda70261832625cb1b7ff08952", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fifo-e84cb368fa692962)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_multi_item_lifo ... ok
[INFO] [stdout] test tests::test_one_item_lifo ... ok
[INFO] [stdout] test tests::test_new_lifo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lifo-c3a98bf76f805059)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_multi_item_lifo ... ok
[INFO] [stdout] test tests::test_new_lifo ... ok
[INFO] [stdout] test tests::test_one_item_lifo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lists-a551323832c4a552)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test dll::tests::test_empty_dll_head ... ok
[INFO] [stdout] test dll::tests::test_empty_dll_tail ... ok
[INFO] [stdout] test dll::tests::test_multi_item_dll_head ... ok
[INFO] [stdout] test dll::tests::test_get_current_position ... ok
[INFO] [stdout] test dll::tests::test_multi_item_dll_mixed ... ok
[INFO] [stdout] test dll::tests::test_multi_item_dll_tail ... ok
[INFO] [stdout] test dll::tests::test_new_dll ... ok
[INFO] [stdout] test dll::tests::test_one_item_dll_head ... ok
[INFO] [stdout] test dll::tests::test_one_item_dll_tail ... ok
[INFO] [stdout] test dll::tests::test_peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tester-f69806d9dcf9998d)
[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] [stderr]    Doc-tests fifo
[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] [stderr]    Doc-tests lifo
[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] [stderr]    Doc-tests lists
[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" "4a646083a1d2d7872d1ec267896dbc83971839cda70261832625cb1b7ff08952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a646083a1d2d7872d1ec267896dbc83971839cda70261832625cb1b7ff08952", kill_on_drop: false }`
[INFO] [stdout] 4a646083a1d2d7872d1ec267896dbc83971839cda70261832625cb1b7ff08952