[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] checking mreboland/rustReferencesSharingVsMutation against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmreboland%2FrustReferencesSharingVsMutation" "/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/mreboland/rustReferencesSharingVsMutation on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08e1daa433f6cded50e2742f50eb3f943a55d4ad62389d70f487ce41d5f32f8d
[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" "08e1daa433f6cded50e2742f50eb3f943a55d4ad62389d70f487ce41d5f32f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e1daa433f6cded50e2742f50eb3f943a55d4ad62389d70f487ce41d5f32f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e1daa433f6cded50e2742f50eb3f943a55d4ad62389d70f487ce41d5f32f8d", kill_on_drop: false }`
[INFO] [stdout] 08e1daa433f6cded50e2742f50eb3f943a55d4ad62389d70f487ce41d5f32f8d
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38bdcb762fdbcb4c3c737dcae12822f41c995a1233178fd88ba95efcd6339bbf
[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" "38bdcb762fdbcb4c3c737dcae12822f41c995a1233178fd88ba95efcd6339bbf", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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] 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]    = 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]    = 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: build failed
[INFO] running `Command { std: "docker" "inspect" "38bdcb762fdbcb4c3c737dcae12822f41c995a1233178fd88ba95efcd6339bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bdcb762fdbcb4c3c737dcae12822f41c995a1233178fd88ba95efcd6339bbf", kill_on_drop: false }`
[INFO] [stdout] 38bdcb762fdbcb4c3c737dcae12822f41c995a1233178fd88ba95efcd6339bbf