[INFO] crate scan 0.1.0 is already in cache [INFO] testing scan-0.1.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate scan 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate scan 0.1.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate scan 0.1.0 [INFO] finished tweaking crates.io crate scan 0.1.0 [INFO] tweaked toml for crates.io crate scan 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] e94a984c35d2fa7a083f7ebb1a09c3274cfec5cf08ec564af2da73b2e88b9758 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "e94a984c35d2fa7a083f7ebb1a09c3274cfec5cf08ec564af2da73b2e88b9758"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling scan v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0432]: unresolved imports `std::io::Chars`, `std::io::CharsError` [INFO] [stderr] --> src/scan.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::{Read, Chars, CharsError, BufReader}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ no `CharsError` in `io` [INFO] [stderr] | | [INFO] [stderr] | no `Chars` in `io` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stderr] --> src/scan.rs:51:27 [INFO] [stderr] | [INFO] [stderr] 51 | impl From for ScanError { [INFO] [stderr] | ^^^^^^^^^^ not found in `io` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stderr] --> src/scan.rs:52:20 [INFO] [stderr] | [INFO] [stderr] 52 | fn from(e: io::CharsError) -> ScanError { ScanError::Io(e) } [INFO] [stderr] | ^^^^^^^^^^ not found in `io` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | #![feature(io)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/scan.rs:275:16 [INFO] [stderr] | [INFO] [stderr] 275 | let file = try!(File::open(path)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Display` [INFO] [stderr] --> src/scan.rs:6:23 [INFO] [stderr] | [INFO] [stderr] 6 | use std::fmt::{Debug, Display}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/scan.rs:71:32 [INFO] [stderr] | [INFO] [stderr] 71 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/scan.rs:66:39 [INFO] [stderr] | [INFO] [stderr] 66 | ScanError::Io(ref err) => Error::description(err), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/scan.rs:65:46 [INFO] [stderr] | [INFO] [stderr] 65 | ScanError::Parse(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `chars` found for type parameter `R` in the current scope [INFO] [stderr] --> src/scan.rs:199:32 [INFO] [stderr] | [INFO] [stderr] 199 | Scanner{ chars: reader.chars(), ignore: f } [INFO] [stderr] | ^^^^^ method not found in `R` [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors; 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0554, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0412`. [INFO] [stderr] error: could not compile `scan`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e94a984c35d2fa7a083f7ebb1a09c3274cfec5cf08ec564af2da73b2e88b9758"` [INFO] running `"docker" "rm" "-f" "e94a984c35d2fa7a083f7ebb1a09c3274cfec5cf08ec564af2da73b2e88b9758"` [INFO] [stdout] e94a984c35d2fa7a083f7ebb1a09c3274cfec5cf08ec564af2da73b2e88b9758