[INFO] cloning repository https://github.com/mindstorm38/mc-dev-tool [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mindstorm38/mc-dev-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindstorm38%2Fmc-dev-tool"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindstorm38%2Fmc-dev-tool'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 23a6af7ef711ed88449aa119893886cfee289b5f [INFO] checking mindstorm38/mc-dev-tool against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmindstorm38%2Fmc-dev-tool" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mindstorm38/mc-dev-tool on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mindstorm38/mc-dev-tool [INFO] finished tweaking git repo https://github.com/mindstorm38/mc-dev-tool [INFO] tweaked toml for git repo https://github.com/mindstorm38/mc-dev-tool written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/mindstorm38/mc-dev-tool already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 207338b8af51663e426fae1a7b0ae1724c108cd3adc97592817afa0baf70aa43 [INFO] running `"docker" "start" "-a" "207338b8af51663e426fae1a7b0ae1724c108cd3adc97592817afa0baf70aa43"` [INFO] [stderr] Compiling curl v0.4.26 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Compiling isahc v0.8.2 [INFO] [stderr] Compiling libnghttp2-sys v0.1.3 [INFO] [stderr] Compiling curl-sys v0.4.28+curl-7.69.0 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking sluice v0.5.2 [INFO] [stderr] Checking mc-mapping-helper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/app/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/app/command/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/app/command/help.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/app/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/app/command/mod.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/app/command/help.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `versions` [INFO] [stderr] --> src/app/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut versions: Option = None; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_versions` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `version_meta` [INFO] [stderr] --> src/app/main.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut version_meta: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_version_meta` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `manager` [INFO] [stderr] --> src/app/command/basic.rs:19:42 [INFO] [stderr] | [INFO] [stderr] 19 | fn execute(&mut self, args: &[&str], manager: &CommandManager) -> CmdResult { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_manager` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/app/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut running = true; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/app/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut versions: Option = None; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/app/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut version_meta: Option = None; [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `versions` [INFO] [stderr] --> src/app/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut versions: Option = None; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_versions` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `version_meta` [INFO] [stderr] --> src/app/main.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut version_meta: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_version_meta` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `manager` [INFO] [stderr] --> src/app/command/basic.rs:19:42 [INFO] [stderr] | [INFO] [stderr] 19 | fn execute(&mut self, args: &[&str], manager: &CommandManager) -> CmdResult { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_manager` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/app/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut running = true; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/app/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut versions: Option = None; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/app/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut version_meta: Option = None; [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/app/command/mod.rs:68:59 [INFO] [stderr] | [INFO] [stderr] 66 | if let Some(cmd) = self.commands.get_mut(&cmd_name) { [INFO] [stderr] | ------------- mutable borrow occurs here [INFO] [stderr] 67 | [INFO] [stderr] 68 | if let Err(msg) = cmd.execute(&args[1..], self) { [INFO] [stderr] | ------- ^^^^ immutable borrow occurs here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow later used by call [INFO] [stderr] [INFO] [stderr] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> src/app/command/mod.rs:68:59 [INFO] [stderr] | [INFO] [stderr] 66 | if let Some(cmd) = self.commands.get_mut(&cmd_name) { [INFO] [stderr] | ------------- mutable borrow occurs here [INFO] [stderr] 67 | [INFO] [stderr] 68 | if let Err(msg) = cmd.execute(&args[1..], self) { [INFO] [stderr] | ------- ^^^^ immutable borrow occurs here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow later used by call [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0502`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0502`. [INFO] [stderr] error: could not compile `mc-mapping-helper`. [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] [stderr] error: could not compile `mc-mapping-helper`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "207338b8af51663e426fae1a7b0ae1724c108cd3adc97592817afa0baf70aa43"` [INFO] running `"docker" "rm" "-f" "207338b8af51663e426fae1a7b0ae1724c108cd3adc97592817afa0baf70aa43"` [INFO] [stdout] 207338b8af51663e426fae1a7b0ae1724c108cd3adc97592817afa0baf70aa43