[INFO] fetching crate scan 0.1.0...
[INFO] building scan-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate scan 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate scan 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21c4f678d41a04ec019dfe1a0d7581adf13b0f007e410c517e0fff686727dec4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "21c4f678d41a04ec019dfe1a0d7581adf13b0f007e410c517e0fff686727dec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c4f678d41a04ec019dfe1a0d7581adf13b0f007e410c517e0fff686727dec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c4f678d41a04ec019dfe1a0d7581adf13b0f007e410c517e0fff686727dec4", kill_on_drop: false }`
[INFO] [stdout] 21c4f678d41a04ec019dfe1a0d7581adf13b0f007e410c517e0fff686727dec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a0f6c00926fe13f09720a23aad45399715094f8db57bd32e0c44adff2f7eab6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a0f6c00926fe13f09720a23aad45399715094f8db57bd32e0c44adff2f7eab6", 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<F: FromStr> From<io::CharsError> for ScanError<F> {
[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<F> { 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:66:39
[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] [stderr] error: could not compile `scan`
[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] [stderr] 
[INFO] [stdout] error: aborting due to 4 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[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] running `Command { std: "docker" "inspect" "6a0f6c00926fe13f09720a23aad45399715094f8db57bd32e0c44adff2f7eab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0f6c00926fe13f09720a23aad45399715094f8db57bd32e0c44adff2f7eab6", kill_on_drop: false }`
[INFO] [stdout] 6a0f6c00926fe13f09720a23aad45399715094f8db57bd32e0c44adff2f7eab6
