[INFO] updating cached repository https://github.com/kdnk/rust_introduction [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4a644f9533c899940a70df93d978e23509f90120 [INFO] checking kdnk/rust_introduction against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdnk%2Frust_introduction" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kdnk/rust_introduction on toolchain ba72b15666b2491415aec703a02c2364fe5e2790 [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/kdnk/rust_introduction [INFO] finished tweaking git repo https://github.com/kdnk/rust_introduction [INFO] tweaked toml for git repo https://github.com/kdnk/rust_introduction written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/kdnk/rust_introduction already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 16c778ef3d468af8ee2b56b92d51c6799cab93c5b6107940305ebb16a6b609ef [INFO] running `"docker" "start" "-a" "16c778ef3d468af8ee2b56b92d51c6799cab93c5b6107940305ebb16a6b609ef"` [INFO] [stderr] Checking rust_introduction v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: couldn't read src/07_ownership/01_value_ownership.rs: No such file or directory (os error 2) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: couldn't read src/07_ownership/04_borrow.rs: No such file or directory (os error 2) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: couldn't read src/07_ownership/02_value_scope.rs: No such file or directory (os error 2) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: could not compile `rust_introduction`. [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 `rust_introduction`. [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 `rust_introduction`. [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: couldn't read src/07_ownership/03_copy.rs: No such file or directory (os error 2) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: could not compile `rust_introduction`. [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] warning: unused variable: `data` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let data = Box::init("foo"); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let data = Box::::init(0.1); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let data: Box = Init::init(0.1); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `one_u32` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let one_u32: u32 = 1.cast(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_u32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `one_u32` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let one_u32: u64 = 1.cast(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_u32` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let data = Box::init("foo"); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let data = Box::::init(0.1); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let data: Box = Init::init(0.1); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `one_u32` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let one_u32: u32 = 1.cast(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_u32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `one_u32` [INFO] [stderr] --> src/08_trait/02_trait_generics.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let one_u32: u64 = 1.cast(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_one_u32` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "16c778ef3d468af8ee2b56b92d51c6799cab93c5b6107940305ebb16a6b609ef"` [INFO] running `"docker" "rm" "-f" "16c778ef3d468af8ee2b56b92d51c6799cab93c5b6107940305ebb16a6b609ef"` [INFO] [stdout] 16c778ef3d468af8ee2b56b92d51c6799cab93c5b6107940305ebb16a6b609ef