[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#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finshalayaz%2FRUST-palindrome-tester" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inshalayaz/RUST-palindrome-tester on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9f714cfffea319bf872a42961c0e7ba768c8548ca2c0eb5c686021271002e83
[INFO] running `Command { std: "docker" "start" "-a" "a9f714cfffea319bf872a42961c0e7ba768c8548ca2c0eb5c686021271002e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f714cfffea319bf872a42961c0e7ba768c8548ca2c0eb5c686021271002e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f714cfffea319bf872a42961c0e7ba768c8548ca2c0eb5c686021271002e83", kill_on_drop: false }`
[INFO] [stdout] a9f714cfffea319bf872a42961c0e7ba768c8548ca2c0eb5c686021271002e83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 809dade3312a0b09f7013fd844173c70157b65c6fdbd2a8ffb6625c83c630fe0
[INFO] running `Command { std: "docker" "start" "-a" "809dade3312a0b09f7013fd844173c70157b65c6fdbd2a8ffb6625c83c630fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "809dade3312a0b09f7013fd844173c70157b65c6fdbd2a8ffb6625c83c630fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809dade3312a0b09f7013fd844173c70157b65c6fdbd2a8ffb6625c83c630fe0", kill_on_drop: false }`
[INFO] [stdout] 809dade3312a0b09f7013fd844173c70157b65c6fdbd2a8ffb6625c83c630fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28cbd396f3d38dbbe8ba0ffdf538cf47f6b045d66e3c8f233c125c73e5c29295
[INFO] running `Command { std: "docker" "start" "-a" "28cbd396f3d38dbbe8ba0ffdf538cf47f6b045d66e3c8f233c125c73e5c29295", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "28cbd396f3d38dbbe8ba0ffdf538cf47f6b045d66e3c8f233c125c73e5c29295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cbd396f3d38dbbe8ba0ffdf538cf47f6b045d66e3c8f233c125c73e5c29295", kill_on_drop: false }`
[INFO] [stdout] 28cbd396f3d38dbbe8ba0ffdf538cf47f6b045d66e3c8f233c125c73e5c29295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb42b95f29566a7dd6b669575116926471f9124aa5a3692f4008569b85161b8d
[INFO] running `Command { std: "docker" "start" "-a" "fb42b95f29566a7dd6b669575116926471f9124aa5a3692f4008569b85161b8d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/demo-a9ac6d5e6e5b1b02)
[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" "fb42b95f29566a7dd6b669575116926471f9124aa5a3692f4008569b85161b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb42b95f29566a7dd6b669575116926471f9124aa5a3692f4008569b85161b8d", kill_on_drop: false }`
[INFO] [stdout] fb42b95f29566a7dd6b669575116926471f9124aa5a3692f4008569b85161b8d