[INFO] cloning repository https://github.com/inshalayaz/RUST-palindrome-tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inshalayaz/RUST-palindrome-tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finshalayaz%2FRUST-palindrome-tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finshalayaz%2FRUST-palindrome-tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2abce139bb2ade9769c23b72e52827960491846
[INFO] testing inshalayaz/RUST-palindrome-tester against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finshalayaz%2FRUST-palindrome-tester" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inshalayaz/RUST-palindrome-tester on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/inshalayaz/RUST-palindrome-tester
[INFO] finished tweaking git repo https://github.com/inshalayaz/RUST-palindrome-tester
[INFO] tweaked toml for git repo https://github.com/inshalayaz/RUST-palindrome-tester written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/inshalayaz/RUST-palindrome-tester already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36f6d52b48548782429d47f21633db03fe07982b96d457750e64928d0479ad9e
[INFO] running `Command { std: "docker" "start" "-a" "36f6d52b48548782429d47f21633db03fe07982b96d457750e64928d0479ad9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f6d52b48548782429d47f21633db03fe07982b96d457750e64928d0479ad9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f6d52b48548782429d47f21633db03fe07982b96d457750e64928d0479ad9e", kill_on_drop: false }`
[INFO] [stdout] 36f6d52b48548782429d47f21633db03fe07982b96d457750e64928d0479ad9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ae84a0267a51176d4a2efee7eced4021f6da3d5c9d9f866a8c83a4453e10c2
[INFO] running `Command { std: "docker" "start" "-a" "95ae84a0267a51176d4a2efee7eced4021f6da3d5c9d9f866a8c83a4453e10c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "95ae84a0267a51176d4a2efee7eced4021f6da3d5c9d9f866a8c83a4453e10c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ae84a0267a51176d4a2efee7eced4021f6da3d5c9d9f866a8c83a4453e10c2", kill_on_drop: false }`
[INFO] [stdout] 95ae84a0267a51176d4a2efee7eced4021f6da3d5c9d9f866a8c83a4453e10c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99a53104ee1fd9ef6f6a07f795b5b285fbeb15b44711c524cc8281faa8c5bbde
[INFO] running `Command { std: "docker" "start" "-a" "99a53104ee1fd9ef6f6a07f795b5b285fbeb15b44711c524cc8281faa8c5bbde", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "99a53104ee1fd9ef6f6a07f795b5b285fbeb15b44711c524cc8281faa8c5bbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a53104ee1fd9ef6f6a07f795b5b285fbeb15b44711c524cc8281faa8c5bbde", kill_on_drop: false }`
[INFO] [stdout] 99a53104ee1fd9ef6f6a07f795b5b285fbeb15b44711c524cc8281faa8c5bbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1af7d28b0b7c209f8753428a813473201c53311b461081b480982dea8feec7e
[INFO] running `Command { std: "docker" "start" "-a" "f1af7d28b0b7c209f8753428a813473201c53311b461081b480982dea8feec7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/demo-9c9e0d991a817d6f)
[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" "f1af7d28b0b7c209f8753428a813473201c53311b461081b480982dea8feec7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1af7d28b0b7c209f8753428a813473201c53311b461081b480982dea8feec7e", kill_on_drop: false }`
[INFO] [stdout] f1af7d28b0b7c209f8753428a813473201c53311b461081b480982dea8feec7e