[INFO] cloning repository https://github.com/tuggan/rcat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuggan/rcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuggan%2Frcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuggan%2Frcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2af6acd8a2dc18b84ccdd0e25dfd7e2eaab53e9b
[INFO] testing tuggan/rcat against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuggan%2Frcat" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuggan/rcat on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuggan/rcat
[INFO] finished tweaking git repo https://github.com/tuggan/rcat
[INFO] tweaked toml for git repo https://github.com/tuggan/rcat written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tuggan/rcat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690b18ff0b7468b530a76b1894238afd66a8cbde06c02754d1e0d7cd078ffd71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "690b18ff0b7468b530a76b1894238afd66a8cbde06c02754d1e0d7cd078ffd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690b18ff0b7468b530a76b1894238afd66a8cbde06c02754d1e0d7cd078ffd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690b18ff0b7468b530a76b1894238afd66a8cbde06c02754d1e0d7cd078ffd71", kill_on_drop: false }`
[INFO] [stdout] 690b18ff0b7468b530a76b1894238afd66a8cbde06c02754d1e0d7cd078ffd71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55b57084cc56f928e019983b2bebbef703a24fbe9c567cd8049c249f5c439c49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55b57084cc56f928e019983b2bebbef703a24fbe9c567cd8049c249f5c439c49", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `st_blksize` found for struct `std::fs::Metadata` in the current scope
[INFO] [stdout]   --> src/file_helper.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |             return Result::Ok(metadata.st_blksize());
[INFO] [stdout]    |                                        ^^^^^^^^^^ method not found in `std::fs::Metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]            `use std::os::linux::fs::MetadataExt;`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rcat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "55b57084cc56f928e019983b2bebbef703a24fbe9c567cd8049c249f5c439c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b57084cc56f928e019983b2bebbef703a24fbe9c567cd8049c249f5c439c49", kill_on_drop: false }`
[INFO] [stdout] 55b57084cc56f928e019983b2bebbef703a24fbe9c567cd8049c249f5c439c49