[INFO] cloning repository https://github.com/mreboland/rustReferencesSharingVsMutation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mreboland/rustReferencesSharingVsMutation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustReferencesSharingVsMutation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustReferencesSharingVsMutation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 914c703345702f7388bc7dfb8493408801bb38d9
[INFO] testing mreboland/rustReferencesSharingVsMutation against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustReferencesSharingVsMutation" "/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/mreboland/rustReferencesSharingVsMutation on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mreboland/rustReferencesSharingVsMutation
[INFO] finished tweaking git repo https://github.com/mreboland/rustReferencesSharingVsMutation
[INFO] tweaked toml for git repo https://github.com/mreboland/rustReferencesSharingVsMutation written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mreboland/rustReferencesSharingVsMutation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] a9fe59623c6e4de1b36b90084c877388339d4c5c9fcc939565e7a52a7197afe5
[INFO] running `Command { std: "docker" "start" "-a" "a9fe59623c6e4de1b36b90084c877388339d4c5c9fcc939565e7a52a7197afe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9fe59623c6e4de1b36b90084c877388339d4c5c9fcc939565e7a52a7197afe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fe59623c6e4de1b36b90084c877388339d4c5c9fcc939565e7a52a7197afe5", kill_on_drop: false }`
[INFO] [stdout] a9fe59623c6e4de1b36b90084c877388339d4c5c9fcc939565e7a52a7197afe5
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 57a315ea4e2900445a8e830de3b29a306e4262efac3db7a51a4fda438630f1eb
[INFO] running `Command { std: "docker" "start" "-a" "57a315ea4e2900445a8e830de3b29a306e4262efac3db7a51a4fda438630f1eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling references-sharing-vs-mutation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `:`, found `desciptor`
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         int desciptor;
[INFO] [stdout]     |             ^^^^^^^^^ expected `:`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `f`
[INFO] [stdout]    --> src/main.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 |     File f(open("foo.txt", ...));
[INFO] [stdout]     |          ^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:111:6
[INFO] [stdout]     |
[INFO] [stdout] 111 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 |     *m = 137;
[INFO] [stdout]    |     --   ^^^ expected tuple, found integer
[INFO] [stdout]    |     |
[INFO] [stdout]    |     expected due to the type of this binding
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected tuple `({integer}, {integer})`
[INFO] [stdout]                found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `references-sharing-vs-mutation` due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "57a315ea4e2900445a8e830de3b29a306e4262efac3db7a51a4fda438630f1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a315ea4e2900445a8e830de3b29a306e4262efac3db7a51a4fda438630f1eb", kill_on_drop: false }`
[INFO] [stdout] 57a315ea4e2900445a8e830de3b29a306e4262efac3db7a51a4fda438630f1eb