[INFO] cloning repository https://github.com/cycsd/rust_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cycsd/rust_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcycsd%2Frust_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcycsd%2Frust_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52855e05edad8ee8c5a55eda6972fba2cb0371f8
[INFO] testing cycsd/rust_example against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcycsd%2Frust_example" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cycsd/rust_example
[INFO] finished tweaking git repo https://github.com/cycsd/rust_example
[INFO] tweaked toml for git repo https://github.com/cycsd/rust_example written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cycsd/rust_example on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cycsd/rust_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 769d896e4d80ddd79709be06868a541722e456e3bc40abde103e91fd81a6fe7f
[INFO] running `Command { std: "docker" "start" "-a" "769d896e4d80ddd79709be06868a541722e456e3bc40abde103e91fd81a6fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769d896e4d80ddd79709be06868a541722e456e3bc40abde103e91fd81a6fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769d896e4d80ddd79709be06868a541722e456e3bc40abde103e91fd81a6fe7f", kill_on_drop: false }`
[INFO] [stdout] 769d896e4d80ddd79709be06868a541722e456e3bc40abde103e91fd81a6fe7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04eae5e3a5c1a1a5884408147126b19036dca4eda7885fb9fef55ecb1f5a4cba
[INFO] running `Command { std: "docker" "start" "-a" "04eae5e3a5c1a1a5884408147126b19036dca4eda7885fb9fef55ecb1f5a4cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "04eae5e3a5c1a1a5884408147126b19036dca4eda7885fb9fef55ecb1f5a4cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04eae5e3a5c1a1a5884408147126b19036dca4eda7885fb9fef55ecb1f5a4cba", kill_on_drop: false }`
[INFO] [stdout] 04eae5e3a5c1a1a5884408147126b19036dca4eda7885fb9fef55ecb1f5a4cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b804ca0902cab96394364c3071b60d509a3d3c0810085e0b0cd37e976ef4241a
[INFO] running `Command { std: "docker" "start" "-a" "b804ca0902cab96394364c3071b60d509a3d3c0810085e0b0cd37e976ef4241a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "b804ca0902cab96394364c3071b60d509a3d3c0810085e0b0cd37e976ef4241a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b804ca0902cab96394364c3071b60d509a3d3c0810085e0b0cd37e976ef4241a", kill_on_drop: false }`
[INFO] [stdout] b804ca0902cab96394364c3071b60d509a3d3c0810085e0b0cd37e976ef4241a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 324bb01d9b155f576f955efe825b171b929abd3a4dbd5991b4f3ef6ea437cf29
[INFO] running `Command { std: "docker" "start" "-a" "324bb01d9b155f576f955efe825b171b929abd3a4dbd5991b4f3ef6ea437cf29", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/rust_example_lib-f4e1168c4cd3558e)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test iterator_tests::how_to_find_mut_in_vec ... ok
[INFO] [stdout] test heap_tests::rust_binaryheap_is_max_heap ... ok
[INFO] [stdout] test iterator_tests::how_to_return_different_iterator_in_closure ... ok
[INFO] [stdout] test iterator_tests::repeat_forever ... ok
[INFO] [stdout] test iterator_tests::return_different_iterator_by_enum ... ok
[INFO] [stdout] test iterator_tests::reverse_enumerate_index ... ok
[INFO] [stdout] test iterator_tests::traverse_iter ... ok
[INFO] [stdout] test iterator_tests::traverse_monad_iter ... ok
[INFO] [stdout] test number::usize_saturating_add ... ok
[INFO] [stdout] test number::usize_wrapping_add ... ok
[INFO] [stdout] test smart_pointer::test_refcell_clone ... ok
[INFO] [stdout] test string_tests::from_chars_collect ... ok
[INFO] [stdout] test string_tests::to_chars_vec ... ok
[INFO] [stdout] test vec_tests::remove_element_in_o1 ... ok
[INFO] [stdout] test iterator_tests::range_start_to_end ... ok
[INFO] [stdout] test slice_tests::range_start_equal_slice_length_is_ok ... ok
[INFO] [stdout] test slice_tests::select_nth_unstable ... ok
[INFO] [stdout] test heap_tests::heap_value_is_vec_will_compare_by_each_element_in_vec ... ok
[INFO] [stdout] test slice_tests::split_at_element ... ok
[INFO] [stdout] test slice_tests::range_out_of_slice_length - should panic ... ok
[INFO] [stdout] test dessign_pattern::type_state::run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_example-ba43cfd49e7c9554)
[INFO] [stderr]    Doc-tests rust_example_lib
[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" "324bb01d9b155f576f955efe825b171b929abd3a4dbd5991b4f3ef6ea437cf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324bb01d9b155f576f955efe825b171b929abd3a4dbd5991b4f3ef6ea437cf29", kill_on_drop: false }`
[INFO] [stdout] 324bb01d9b155f576f955efe825b171b929abd3a4dbd5991b4f3ef6ea437cf29