[INFO] cloning repository https://github.com/sunsagong/rust-quizz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunsagong/rust-quizz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunsagong%2Frust-quizz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunsagong%2Frust-quizz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c863b618c190b2bb81df2b875b50f1db2fe1e29a [INFO] testing sunsagong/rust-quizz against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunsagong%2Frust-quizz" "/workspace/builds/worker-34/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sunsagong/rust-quizz on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sunsagong/rust-quizz [INFO] finished tweaking git repo https://github.com/sunsagong/rust-quizz [INFO] tweaked toml for git repo https://github.com/sunsagong/rust-quizz written to /workspace/builds/worker-34/source/Cargo.toml [INFO] crate git repo https://github.com/sunsagong/rust-quizz already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b75637a57710f1b654b2c0d3e1889d3a089d367a4fc6bbf28e453471d3392e77 [INFO] running `Command { std: "docker" "start" "-a" "b75637a57710f1b654b2c0d3e1889d3a089d367a4fc6bbf28e453471d3392e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b75637a57710f1b654b2c0d3e1889d3a089d367a4fc6bbf28e453471d3392e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b75637a57710f1b654b2c0d3e1889d3a089d367a4fc6bbf28e453471d3392e77", kill_on_drop: false }` [INFO] [stdout] b75637a57710f1b654b2c0d3e1889d3a089d367a4fc6bbf28e453471d3392e77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 859f6bcc793109618613b705f9c7903344c2c8d76332467fcbe834e7d4e1e76b [INFO] running `Command { std: "docker" "start" "-a" "859f6bcc793109618613b705f9c7903344c2c8d76332467fcbe834e7d4e1e76b", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling c_string v0.7.0 [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/c_string-0.7.0/src/c_str.rs:234:84 [INFO] [stdout] | [INFO] [stdout] 234 | format!("invalid data for C string: NUL at position {}", err.position).as_ref()) [INFO] [stdout] | -----------------------------------------------------------------------^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type for type parameter `T` declared on the trait `AsRef` [INFO] [stdout] | this method call resolves to `&T` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`: [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] - impl AsRef<[u8]> for String; [INFO] [stdout] - impl AsRef for String; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] Compiling uncode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `c_string` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "859f6bcc793109618613b705f9c7903344c2c8d76332467fcbe834e7d4e1e76b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "859f6bcc793109618613b705f9c7903344c2c8d76332467fcbe834e7d4e1e76b", kill_on_drop: false }` [INFO] [stdout] 859f6bcc793109618613b705f9c7903344c2c8d76332467fcbe834e7d4e1e76b