[INFO] cloning repository https://github.com/t94j0/mash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t94j0/mash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft94j0%2Fmash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft94j0%2Fmash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 473cca7e84f268005fcf796340dda3b7a3098104
[INFO] testing t94j0/mash 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%2Ft94j0%2Fmash" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t94j0/mash 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/t94j0/mash
[INFO] finished tweaking git repo https://github.com/t94j0/mash
[INFO] tweaked toml for git repo https://github.com/t94j0/mash written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/t94j0/mash 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55f8a0fa107df728ec788601c3587dd1b5ad51380fc0c84219a8a9a982dd27d5
[INFO] running `Command { std: "docker" "start" "-a" "55f8a0fa107df728ec788601c3587dd1b5ad51380fc0c84219a8a9a982dd27d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f8a0fa107df728ec788601c3587dd1b5ad51380fc0c84219a8a9a982dd27d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f8a0fa107df728ec788601c3587dd1b5ad51380fc0c84219a8a9a982dd27d5", kill_on_drop: false }`
[INFO] [stdout] 55f8a0fa107df728ec788601c3587dd1b5ad51380fc0c84219a8a9a982dd27d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05895936a7c67902af5c6aaa6da6ee1cf60736f7d85e7df539d144ba832fb0d4
[INFO] running `Command { std: "docker" "start" "-a" "05895936a7c67902af5c6aaa6da6ee1cf60736f7d85e7df539d144ba832fb0d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling mash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&&[&str]` is not an iterator
[INFO] [stdout]    --> src/main.rs:35:15
[INFO] [stdout]     |
[INFO] [stdout] 35  |         .args(&args)
[INFO] [stdout]     |          ---- ^^^^^
[INFO] [stdout]     |          |    |
[INFO] [stdout]     |          |    `&&[&str]` is not an iterator
[INFO] [stdout]     |          |    help: consider adding dereference here: `&*args`
[INFO] [stdout]     |          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&&[&str]`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&&[&str]`
[INFO] [stdout] note: required by a bound in `Command::args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mash` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "05895936a7c67902af5c6aaa6da6ee1cf60736f7d85e7df539d144ba832fb0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05895936a7c67902af5c6aaa6da6ee1cf60736f7d85e7df539d144ba832fb0d4", kill_on_drop: false }`
[INFO] [stdout] 05895936a7c67902af5c6aaa6da6ee1cf60736f7d85e7df539d144ba832fb0d4