[INFO] cloning repository https://github.com/imzhongqi/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imzhongqi/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimzhongqi%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimzhongqi%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9dcead86058417c4b8be5b04187ad4bcdf427b7
[INFO] testing imzhongqi/rust-playground against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimzhongqi%2Frust-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imzhongqi/rust-playground on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imzhongqi/rust-playground
[INFO] finished tweaking git repo https://github.com/imzhongqi/rust-playground
[INFO] tweaked toml for git repo https://github.com/imzhongqi/rust-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/imzhongqi/rust-playground 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e945003986cb51ab42b640da914f94df24a52a9e5004d6c0ed57bf52c8d9bb77
[INFO] running `Command { std: "docker" "start" "-a" "e945003986cb51ab42b640da914f94df24a52a9e5004d6c0ed57bf52c8d9bb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e945003986cb51ab42b640da914f94df24a52a9e5004d6c0ed57bf52c8d9bb77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e945003986cb51ab42b640da914f94df24a52a9e5004d6c0ed57bf52c8d9bb77", kill_on_drop: false }`
[INFO] [stdout] e945003986cb51ab42b640da914f94df24a52a9e5004d6c0ed57bf52c8d9bb77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f5abf2ec8fd3aafa7399c1b5b470c5f1a5f7653ebaf093bf968ae5fec861bf2
[INFO] running `Command { std: "docker" "start" "-a" "3f5abf2ec8fd3aafa7399c1b5b470c5f1a5f7653ebaf093bf968ae5fec861bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rust_decimal v1.10.2
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "3f5abf2ec8fd3aafa7399c1b5b470c5f1a5f7653ebaf093bf968ae5fec861bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5abf2ec8fd3aafa7399c1b5b470c5f1a5f7653ebaf093bf968ae5fec861bf2", kill_on_drop: false }`
[INFO] [stdout] 3f5abf2ec8fd3aafa7399c1b5b470c5f1a5f7653ebaf093bf968ae5fec861bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758ae356421995911b65c4b5e70de4180b1b5fe8444c3ea098e30ff269e6052e
[INFO] running `Command { std: "docker" "start" "-a" "758ae356421995911b65c4b5e70de4180b1b5fe8444c3ea098e30ff269e6052e", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "758ae356421995911b65c4b5e70de4180b1b5fe8444c3ea098e30ff269e6052e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758ae356421995911b65c4b5e70de4180b1b5fe8444c3ea098e30ff269e6052e", kill_on_drop: false }`
[INFO] [stdout] 758ae356421995911b65c4b5e70de4180b1b5fe8444c3ea098e30ff269e6052e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 400eaa603598d626d3803d52820817a0e783437d6a440d9b484e45dc55ed52be
[INFO] running `Command { std: "docker" "start" "-a" "400eaa603598d626d3803d52820817a0e783437d6a440d9b484e45dc55ed52be", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/playground-307c98ab0940c4bf)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test alg::container_with_most_water::test_max_area ... ok
[INFO] [stdout] test alg::grumpy_bookstore_owner::test_max_satisfied ... ok
[INFO] [stdout] test alg::roman_to_integer::test_roman_to_int ... ok
[INFO] [stdout] test alg::toeplitz_matrix::test_is_toeplitz_matrix ... ok
[INFO] [stdout] test alg::transpose_matrix::test_transpose ... ok
[INFO] [stdout] test alg::is_unique_lcci::test_is_unique ... ok
[INFO] [stdout] test alg::flipping_an_image::test_flip_and_invert_image ... ok
[INFO] [stdout] test alg::two_sum::test_two_sum ... ok
[INFO] [stdout] test alg::longest_common_prefix::test_longest_common_prefix ... ok
[INFO] [stdout] test alg::reverse_integer::test_reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "400eaa603598d626d3803d52820817a0e783437d6a440d9b484e45dc55ed52be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400eaa603598d626d3803d52820817a0e783437d6a440d9b484e45dc55ed52be", kill_on_drop: false }`
[INFO] [stdout] 400eaa603598d626d3803d52820817a0e783437d6a440d9b484e45dc55ed52be