[INFO] fetching crate oni-comb-toys-rs 0.0.2...
[INFO] checking oni-comb-toys-rs-0.0.2 against try#eb43a7af9abeacf703345e49daba222ddc0623e9 for pr-95565
[INFO] extracting crate oni-comb-toys-rs 0.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate oni-comb-toys-rs 0.0.2 on toolchain eb43a7af9abeacf703345e49daba222ddc0623e9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eb43a7af9abeacf703345e49daba222ddc0623e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oni-comb-toys-rs 0.0.2
[INFO] finished tweaking crates.io crate oni-comb-toys-rs 0.0.2
[INFO] tweaked toml for crates.io crate oni-comb-toys-rs 0.0.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate oni-comb-toys-rs 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eb43a7af9abeacf703345e49daba222ddc0623e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+eb43a7af9abeacf703345e49daba222ddc0623e9" "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] 01f16134a9d507a5f56b70df5310598388b72bb0f6a570a76303237dfba958fb
[INFO] running `Command { std: "docker" "start" "-a" "01f16134a9d507a5f56b70df5310598388b72bb0f6a570a76303237dfba958fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f16134a9d507a5f56b70df5310598388b72bb0f6a570a76303237dfba958fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f16134a9d507a5f56b70df5310598388b72bb0f6a570a76303237dfba958fb", kill_on_drop: false }`
[INFO] [stdout] 01f16134a9d507a5f56b70df5310598388b72bb0f6a570a76303237dfba958fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+eb43a7af9abeacf703345e49daba222ddc0623e9" "check" "--frozen" "--all" "--all-targets" "--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] 2b94aa68ad94028a8828e3e4e6a23918ed0b808b9db01629df97787bb91c0e1e
[INFO] running `Command { std: "docker" "start" "-a" "2b94aa68ad94028a8828e3e4e6a23918ed0b808b9db01629df97787bb91c0e1e", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking oni-comb-parser-rs v0.0.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking oni-comb-toys-rs v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/interpreter.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let main_function = self.function_environment.get("main");
[INFO] [stdout]    |                             ------------------------------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 48 |             Expr::FunctionDefinition(_, _, body) => self.interpret(body.clone()),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^------------^
[INFO] [stdout]    |                                                     |              |
[INFO] [stdout]    |                                                     |              immutable borrow later used here
[INFO] [stdout]    |                                                     mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/interpreter.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let main_function = self.function_environment.get("main");
[INFO] [stdout]    |                             ------------------------------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 48 |             Expr::FunctionDefinition(_, _, body) => self.interpret(body.clone()),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^------------^
[INFO] [stdout]    |                                                     |              |
[INFO] [stdout]    |                                                     |              immutable borrow later used here
[INFO] [stdout]    |                                                     mutable borrow occurs here
[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 E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oni-comb-toys-rs` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oni-comb-toys-rs` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2b94aa68ad94028a8828e3e4e6a23918ed0b808b9db01629df97787bb91c0e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b94aa68ad94028a8828e3e4e6a23918ed0b808b9db01629df97787bb91c0e1e", kill_on_drop: false }`
[INFO] [stdout] 2b94aa68ad94028a8828e3e4e6a23918ed0b808b9db01629df97787bb91c0e1e