[INFO] cloning repository https://github.com/verssionhack/configer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/verssionhack/configer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverssionhack%2Fconfiger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverssionhack%2Fconfiger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94feff49cd88326da0687f134ba026f8f53d93c8
[INFO] checking verssionhack/configer against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverssionhack%2Fconfiger" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/verssionhack/configer
[INFO] finished tweaking git repo https://github.com/verssionhack/configer
[INFO] tweaked toml for git repo https://github.com/verssionhack/configer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/verssionhack/configer on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/verssionhack/configer 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded serde v1.0.166
[INFO] [stderr]   Downloaded serde_json v1.0.100
[INFO] [stderr]   Downloaded libc v0.2.147
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 263cf51e9d07afee6cc0ed5b79cdb7e020ed9abdfe3ed67eedf8beed3dfe4771
[INFO] running `Command { std: "docker" "start" "-a" "263cf51e9d07afee6cc0ed5b79cdb7e020ed9abdfe3ed67eedf8beed3dfe4771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "263cf51e9d07afee6cc0ed5b79cdb7e020ed9abdfe3ed67eedf8beed3dfe4771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263cf51e9d07afee6cc0ed5b79cdb7e020ed9abdfe3ed67eedf8beed3dfe4771", kill_on_drop: false }`
[INFO] [stdout] 263cf51e9d07afee6cc0ed5b79cdb7e020ed9abdfe3ed67eedf8beed3dfe4771
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33fe3b11b7af48a0fae413c97ba68aaeb089a6aade7386c532297b81221d4324
[INFO] running `Command { std: "docker" "start" "-a" "33fe3b11b7af48a0fae413c97ba68aaeb089a6aade7386c532297b81221d4324", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking configer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0608]: cannot index into a value of type `Result<_, serde_json::error::Error>`
[INFO] [stdout]  --> examples/test.rs:5:55
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("{:#?}", con.read("pixiv-disks").unwrap()[con.hostname().unwrap()]);
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0608`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `configer` (example "test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "33fe3b11b7af48a0fae413c97ba68aaeb089a6aade7386c532297b81221d4324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fe3b11b7af48a0fae413c97ba68aaeb089a6aade7386c532297b81221d4324", kill_on_drop: false }`
[INFO] [stdout] 33fe3b11b7af48a0fae413c97ba68aaeb089a6aade7386c532297b81221d4324