[INFO] fetching crate scan 0.1.0... [INFO] testing scan-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate scan 0.1.0 into /workspace/builds/worker-72/source [INFO] validating manifest of crates.io crate scan 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-72/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e704d4ba809f912fb833532a1a64a8b89fb4d6617d3b67f3e26a00e1e65acfd7 [INFO] running `Command { std: "docker" "start" "-a" "e704d4ba809f912fb833532a1a64a8b89fb4d6617d3b67f3e26a00e1e65acfd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e704d4ba809f912fb833532a1a64a8b89fb4d6617d3b67f3e26a00e1e65acfd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e704d4ba809f912fb833532a1a64a8b89fb4d6617d3b67f3e26a00e1e65acfd7", kill_on_drop: false }` [INFO] [stdout] e704d4ba809f912fb833532a1a64a8b89fb4d6617d3b67f3e26a00e1e65acfd7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfcd81a365bb38ffec1873a657740235329cd47acc3746baf926fd0fb8207795 [INFO] running `Command { std: "docker" "start" "-a" "cfcd81a365bb38ffec1873a657740235329cd47acc3746baf926fd0fb8207795", kill_on_drop: false }` [INFO] [stderr] Compiling scan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved imports `std::io::Chars`, `std::io::CharsError` [INFO] [stdout] --> src/scan.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{Read, Chars, CharsError, BufReader}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ no `CharsError` in `io` [INFO] [stdout] | | [INFO] [stdout] | no `Chars` in `io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stdout] --> src/scan.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | impl From for ScanError { [INFO] [stdout] | ^^^^^^^^^^ not found in `io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io` [INFO] [stdout] --> src/scan.rs:52:20 [INFO] [stdout] | [INFO] [stdout] 52 | fn from(e: io::CharsError) -> ScanError { ScanError::Io(e) } [INFO] [stdout] | ^^^^^^^^^^ not found in `io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> src/scan.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fmt::{Debug, Display}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/scan.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/scan.rs:275:16 [INFO] [stdout] | [INFO] [stdout] 275 | let file = try!(File::open(path)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/scan.rs:66:46 [INFO] [stdout] | [INFO] [stdout] 66 | ScanError::Io(ref err) => Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/scan.rs:65:46 [INFO] [stdout] | [INFO] [stdout] 65 | ScanError::Parse(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `chars` found for type parameter `R` in the current scope [INFO] [stdout] --> src/scan.rs:199:32 [INFO] [stdout] | [INFO] [stdout] 199 | Scanner{ chars: reader.chars(), ignore: f } [INFO] [stdout] | ^^^^^ method not found in `R` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] [INFO] [stderr] error: could not compile `scan` due to 5 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cfcd81a365bb38ffec1873a657740235329cd47acc3746baf926fd0fb8207795", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfcd81a365bb38ffec1873a657740235329cd47acc3746baf926fd0fb8207795", kill_on_drop: false }` [INFO] [stdout] cfcd81a365bb38ffec1873a657740235329cd47acc3746baf926fd0fb8207795