[INFO] updating cached repository anyatran/graph [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/anyatran/graph [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/anyatran/graph" "work/ex/beta-1.38-1/sources/1.37.0/gh/anyatran/graph"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/anyatran/graph'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/anyatran/graph" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anyatran/graph"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anyatran/graph'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3435bf92153ecfe2eaaf764c2c57c3ccf28813d7 [INFO] sha for GitHub repo anyatran/graph: 3435bf92153ecfe2eaaf764c2c57c3ccf28813d7 [INFO] validating manifest of anyatran/graph on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of anyatran/graph on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing anyatran/graph [INFO] finished frobbing anyatran/graph [INFO] frobbed toml for anyatran/graph written to work/ex/beta-1.38-1/sources/1.37.0/gh/anyatran/graph/Cargo.toml [INFO] started frobbing anyatran/graph [INFO] finished frobbing anyatran/graph [INFO] frobbed toml for anyatran/graph written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anyatran/graph/Cargo.toml [INFO] crate anyatran/graph already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing anyatran/graph against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anyatran/graph:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] ec41bec6ea788a6cff1665004f6ebd379d8b7a10f88de43d74f94099207b8104 [INFO] running `"docker" "start" "-a" "ec41bec6ea788a6cff1665004f6ebd379d8b7a10f88de43d74f94099207b8104"` [INFO] [stderr] Compiling graph_traversal v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0433]: failed to resolve: could not find `File` in `io` [INFO] [stderr] --> src/main.rs:8:26 [INFO] [stderr] | [INFO] [stderr] 8 | Some(arg) => io::File::open(&Path::new(arg)), [INFO] [stderr] | ^^^^ could not find `File` in `io` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path` [INFO] [stderr] --> src/main.rs:8:38 [INFO] [stderr] | [INFO] [stderr] 8 | Some(arg) => io::File::open(&Path::new(arg)), [INFO] [stderr] | ^^^^ use of undeclared type or module `Path` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `BufferedReader` in `io` [INFO] [stderr] --> src/main.rs:12:29 [INFO] [stderr] | [INFO] [stderr] 12 | let mut file_buff = io::BufferedReader::new(file); [INFO] [stderr] | ^^^^^^^^^^^^^^ could not find `BufferedReader` in `io` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `args` in module `os` [INFO] [stderr] --> src/main.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | let file = match os::args().tail().first() { [INFO] [stderr] | ^^^^ not found in `os` [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 1 | use std::env::args; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio` [INFO] [stderr] --> src/main.rs:14:16 [INFO] [stderr] | [INFO] [stderr] 14 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ not found in `io::stdio` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio` [INFO] [stderr] --> src/main.rs:20:24 [INFO] [stderr] | [INFO] [stderr] 20 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ not found in `io::stdio` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio` [INFO] [stderr] --> src/main.rs:29:28 [INFO] [stderr] | [INFO] [stderr] 29 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ not found in `io::stdio` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio` [INFO] [stderr] --> src/main.rs:34:24 [INFO] [stderr] | [INFO] [stderr] 34 | io::stdio::print(format!("{} ", n).as_slice()); [INFO] [stderr] | ^^^^^ not found in `io::stdio` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio` [INFO] [stderr] --> src/main.rs:36:20 [INFO] [stderr] | [INFO] [stderr] 36 | io::stdio::print("\n"); [INFO] [stderr] | ^^^^^ not found in `io::stdio` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio` [INFO] [stderr] --> src/main.rs:37:20 [INFO] [stderr] | [INFO] [stderr] 37 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ not found in `io::stdio` [INFO] [stderr] [INFO] [stderr] error[E0405]: cannot find trait `Reader` in this scope [INFO] [stderr] --> src/main.rs:50:18 [INFO] [stderr] | [INFO] [stderr] 50 | fn load_graph (mut content: io::BufferedReader) -> HashMap> { [INFO] [stderr] | ^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `BufferedReader` in module `io` [INFO] [stderr] --> src/main.rs:50:44 [INFO] [stderr] | [INFO] [stderr] 50 | fn load_graph (mut content: io::BufferedReader) -> HashMap> { [INFO] [stderr] | ^^^^^^^^^^^^^^ not found in `io` [INFO] [stderr] [INFO] [stderr] error[E0603]: module `stdio` is private [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0603]: module `stdio` is private [INFO] [stderr] --> src/main.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0603]: module `stdio` is private [INFO] [stderr] --> src/main.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0603]: module `stdio` is private [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | io::stdio::print(format!("{} ", n).as_slice()); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0603]: module `stdio` is private [INFO] [stderr] --> src/main.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | io::stdio::print("\n"); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0603]: module `stdio` is private [INFO] [stderr] --> src/main.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | io::stdio::print("-> "); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::binary_heap::BinaryHeap` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::collections::binary_heap::BinaryHeap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 18 | if (input_split.clone().count() != 2) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:77:12 [INFO] [stderr] | [INFO] [stderr] 77 | if (current.as_slice() == end.as_slice()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:89:16 [INFO] [stderr] | [INFO] [stderr] 89 | if (visited.as_slice().contains(n)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:94:12 [INFO] [stderr] | [INFO] [stderr] 94 | if (!visited.as_slice().contains(¤t)) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] error: aborting due to 18 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0425, E0433, E0603. [INFO] [stderr] For more information about an error, try `rustc --explain E0405`. [INFO] [stderr] error: Could not compile `graph_traversal`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ec41bec6ea788a6cff1665004f6ebd379d8b7a10f88de43d74f94099207b8104"` [INFO] running `"docker" "rm" "-f" "ec41bec6ea788a6cff1665004f6ebd379d8b7a10f88de43d74f94099207b8104"` [INFO] [stdout] ec41bec6ea788a6cff1665004f6ebd379d8b7a10f88de43d74f94099207b8104