[INFO] updating cached repository https://github.com/darthlukan/lynea [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] acf4f1e9e479d9abb495b22461d58d58e39893d6 [INFO] checking darthlukan/lynea against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarthlukan%2Flynea" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/darthlukan/lynea on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/darthlukan/lynea [INFO] finished tweaking git repo https://github.com/darthlukan/lynea [INFO] tweaked toml for git repo https://github.com/darthlukan/lynea written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/darthlukan/lynea already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 538a240f8698e438061fef6af08e8f6e9ce97a439ddbce2f3f0c4516b6b8395f [INFO] running `"docker" "start" "-a" "538a240f8698e438061fef6af08e8f6e9ce97a439ddbce2f3f0c4516b6b8395f"` [INFO] [stderr] Checking lynea v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0433]: failed to resolve: maybe a missing crate `core`? [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use core::str::Lines; [INFO] [stderr] | ^^^^ maybe a missing crate `core`? [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `lines` found for type `std::fs::File` in the current scope [INFO] [stderr] --> src/main.rs:22:34 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lines: Vec<_> = file.lines(); [INFO] [stderr] | ^^^^^ method not found in `std::fs::File` [INFO] [stderr] | [INFO] [stderr] = note: the method `lines` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::fs::File : std::io::BufRead` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:44:16 [INFO] [stderr] | [INFO] [stderr] 41 | fn main() { [INFO] [stderr] | - expected `()` because of default return type [INFO] [stderr] ... [INFO] [stderr] 44 | return false; [INFO] [stderr] | ^^^^^ expected (), found bool [INFO] [stderr] | [INFO] [stderr] = note: expected type `()` [INFO] [stderr] found type `bool` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `lynea`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0433]: failed to resolve: maybe a missing crate `core`? [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use core::str::Lines; [INFO] [stderr] | ^^^^ maybe a missing crate `core`? [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `lines` found for type `std::fs::File` in the current scope [INFO] [stderr] --> src/main.rs:22:34 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lines: Vec<_> = file.lines(); [INFO] [stderr] | ^^^^^ method not found in `std::fs::File` [INFO] [stderr] | [INFO] [stderr] = note: the method `lines` exists but the following trait bounds were not satisfied: [INFO] [stderr] `&mut std::fs::File : std::io::BufRead` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:44:16 [INFO] [stderr] | [INFO] [stderr] 41 | fn main() { [INFO] [stderr] | - expected `()` because of default return type [INFO] [stderr] ... [INFO] [stderr] 44 | return false; [INFO] [stderr] | ^^^^^ expected (), found bool [INFO] [stderr] | [INFO] [stderr] = note: expected type `()` [INFO] [stderr] found type `bool` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `lynea`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "538a240f8698e438061fef6af08e8f6e9ce97a439ddbce2f3f0c4516b6b8395f"` [INFO] running `"docker" "rm" "-f" "538a240f8698e438061fef6af08e8f6e9ce97a439ddbce2f3f0c4516b6b8395f"` [INFO] [stdout] 538a240f8698e438061fef6af08e8f6e9ce97a439ddbce2f3f0c4516b6b8395f