[INFO] cloning repository https://github.com/Murtaza0xFF/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/Murtaza0xFF/Rust-Playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurtaza0xFF%2FRust-Playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurtaza0xFF%2FRust-Playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2117cbce957456e035f370e30bf09888ab181af4
[INFO] testing Murtaza0xFF/Rust-Playground against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMurtaza0xFF%2FRust-Playground" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Murtaza0xFF/Rust-Playground on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Murtaza0xFF/Rust-Playground
[INFO] finished tweaking git repo https://github.com/Murtaza0xFF/Rust-Playground
[INFO] tweaked toml for git repo https://github.com/Murtaza0xFF/Rust-Playground written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Murtaza0xFF/Rust-Playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c83a190ca279037816a19b1cae75f140ae355c1c0327529fd49bf0bac056855
[INFO] running `Command { std: "docker" "start" "-a" "3c83a190ca279037816a19b1cae75f140ae355c1c0327529fd49bf0bac056855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c83a190ca279037816a19b1cae75f140ae355c1c0327529fd49bf0bac056855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c83a190ca279037816a19b1cae75f140ae355c1c0327529fd49bf0bac056855", kill_on_drop: false }`
[INFO] [stdout] 3c83a190ca279037816a19b1cae75f140ae355c1c0327529fd49bf0bac056855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bdb099800b4cd9abc7f0fb5826c6e005ed96bdba43e6dee951d9ffce2719e8c
[INFO] running `Command { std: "docker" "start" "-a" "3bdb099800b4cd9abc7f0fb5826c6e005ed96bdba43e6dee951d9ffce2719e8c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "3bdb099800b4cd9abc7f0fb5826c6e005ed96bdba43e6dee951d9ffce2719e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdb099800b4cd9abc7f0fb5826c6e005ed96bdba43e6dee951d9ffce2719e8c", kill_on_drop: false }`
[INFO] [stdout] 3bdb099800b4cd9abc7f0fb5826c6e005ed96bdba43e6dee951d9ffce2719e8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56240551b9434d9cd731dacc213a39e2ebec591ab90a1748079d4e5177c8f149
[INFO] running `Command { std: "docker" "start" "-a" "56240551b9434d9cd731dacc213a39e2ebec591ab90a1748079d4e5177c8f149", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_playground v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "56240551b9434d9cd731dacc213a39e2ebec591ab90a1748079d4e5177c8f149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56240551b9434d9cd731dacc213a39e2ebec591ab90a1748079d4e5177c8f149", kill_on_drop: false }`
[INFO] [stdout] 56240551b9434d9cd731dacc213a39e2ebec591ab90a1748079d4e5177c8f149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99b4658326324baae257573d05bc2d8b59ff3da3338e71b327e1e545f171c573
[INFO] running `Command { std: "docker" "start" "-a" "99b4658326324baae257573d05bc2d8b59ff3da3338e71b327e1e545f171c573", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-c46588b4bc4b9130)
[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" "99b4658326324baae257573d05bc2d8b59ff3da3338e71b327e1e545f171c573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b4658326324baae257573d05bc2d8b59ff3da3338e71b327e1e545f171c573", kill_on_drop: false }`
[INFO] [stdout] 99b4658326324baae257573d05bc2d8b59ff3da3338e71b327e1e545f171c573