[INFO] cloning repository https://github.com/piyonkitch/MyBfloat8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piyonkitch/MyBfloat8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiyonkitch%2FMyBfloat8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiyonkitch%2FMyBfloat8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e18c8dcbb5da5b9d352a87a77f7ebb66b10ca351
[INFO] testing piyonkitch/MyBfloat8 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%2Fpiyonkitch%2FMyBfloat8" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/piyonkitch/MyBfloat8 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/piyonkitch/MyBfloat8
[INFO] finished tweaking git repo https://github.com/piyonkitch/MyBfloat8
[INFO] tweaked toml for git repo https://github.com/piyonkitch/MyBfloat8 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/piyonkitch/MyBfloat8 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]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 320351d503d36f8ba8c25a4088d6f856ef00c09eadc048ebadc9072c4a41c5f2
[INFO] running `Command { std: "docker" "start" "-a" "320351d503d36f8ba8c25a4088d6f856ef00c09eadc048ebadc9072c4a41c5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320351d503d36f8ba8c25a4088d6f856ef00c09eadc048ebadc9072c4a41c5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320351d503d36f8ba8c25a4088d6f856ef00c09eadc048ebadc9072c4a41c5f2", kill_on_drop: false }`
[INFO] [stdout] 320351d503d36f8ba8c25a4088d6f856ef00c09eadc048ebadc9072c4a41c5f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] f18932055cec49d016e532e272d058060af6c3b9ab8b34e53d8024c68dd11ca7
[INFO] running `Command { std: "docker" "start" "-a" "f18932055cec49d016e532e272d058060af6c3b9ab8b34e53d8024c68dd11ca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getopt v1.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling bfloat8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `getopt::prelude`
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use getopt::prelude::*;
[INFO] [stdout]   |             ^^^^^^^ could not find `prelude` in `getopt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Parser`
[INFO] [stdout]    --> src/main.rs:178:20
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut opts = Parser::new(&args, "ir:");
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use getopt::Parser;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Opt` in this scope
[INFO] [stdout]    --> src/main.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 Opt('i', None) => i_flag = true,
[INFO] [stdout]     |                 ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use getopt::Opt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Opt` in this scope
[INFO] [stdout]    --> src/main.rs:187:17
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 Opt('r', Some(string)) => r_flag = string.clone().trim().parse()
[INFO] [stdout]     |                 ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use getopt::Opt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0531.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bfloat8` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f18932055cec49d016e532e272d058060af6c3b9ab8b34e53d8024c68dd11ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18932055cec49d016e532e272d058060af6c3b9ab8b34e53d8024c68dd11ca7", kill_on_drop: false }`
[INFO] [stdout] f18932055cec49d016e532e272d058060af6c3b9ab8b34e53d8024c68dd11ca7