[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finshalayaz%2FRUST-palindrome-tester" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inshalayaz/RUST-palindrome-tester on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-87/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c311fa3a0079f159965804f04d6e6ac95fefe47a977ce426e83cebc144822e49
[INFO] running `Command { std: "docker" "start" "-a" "c311fa3a0079f159965804f04d6e6ac95fefe47a977ce426e83cebc144822e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c311fa3a0079f159965804f04d6e6ac95fefe47a977ce426e83cebc144822e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c311fa3a0079f159965804f04d6e6ac95fefe47a977ce426e83cebc144822e49", kill_on_drop: false }`
[INFO] [stdout] c311fa3a0079f159965804f04d6e6ac95fefe47a977ce426e83cebc144822e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a4c6bb53eb3bdfa597a3710e93c6088ba488ebdfa6f51e5ac9827f5cb8135cb
[INFO] running `Command { std: "docker" "start" "-a" "5a4c6bb53eb3bdfa597a3710e93c6088ba488ebdfa6f51e5ac9827f5cb8135cb", 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 7.78s
[INFO] running `Command { std: "docker" "inspect" "5a4c6bb53eb3bdfa597a3710e93c6088ba488ebdfa6f51e5ac9827f5cb8135cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4c6bb53eb3bdfa597a3710e93c6088ba488ebdfa6f51e5ac9827f5cb8135cb", kill_on_drop: false }`
[INFO] [stdout] 5a4c6bb53eb3bdfa597a3710e93c6088ba488ebdfa6f51e5ac9827f5cb8135cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b57ec678eca961fb462fe4717f619a31ea9215525a0516363a8a84aca411db
[INFO] running `Command { std: "docker" "start" "-a" "20b57ec678eca961fb462fe4717f619a31ea9215525a0516363a8a84aca411db", 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 59.38s
[INFO] running `Command { std: "docker" "inspect" "20b57ec678eca961fb462fe4717f619a31ea9215525a0516363a8a84aca411db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b57ec678eca961fb462fe4717f619a31ea9215525a0516363a8a84aca411db", kill_on_drop: false }`
[INFO] [stdout] 20b57ec678eca961fb462fe4717f619a31ea9215525a0516363a8a84aca411db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8faef5c8c0a251bea9b742a890bf642d8e22167866d28e30d29cdb53f6ccf7b
[INFO] running `Command { std: "docker" "start" "-a" "e8faef5c8c0a251bea9b742a890bf642d8e22167866d28e30d29cdb53f6ccf7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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" "e8faef5c8c0a251bea9b742a890bf642d8e22167866d28e30d29cdb53f6ccf7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8faef5c8c0a251bea9b742a890bf642d8e22167866d28e30d29cdb53f6ccf7b", kill_on_drop: false }`
[INFO] [stdout] e8faef5c8c0a251bea9b742a890bf642d8e22167866d28e30d29cdb53f6ccf7b