[INFO] crate meta_diff 0.0.1 is already in cache
[INFO] testing meta_diff-0.0.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate meta_diff 0.0.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate meta_diff 0.0.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate meta_diff 0.0.1
[INFO] finished tweaking crates.io crate meta_diff 0.0.1
[INFO] tweaked toml for crates.io crate meta_diff 0.0.1 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6406d544ce0fe81e2387a9e4995fce35c31cc8773a44b624aca8e223f6d144bb
[INFO] running `"docker" "start" "-a" "6406d544ce0fe81e2387a9e4995fce35c31cc8773a44b624aca8e223f6d144bb"`
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling meta_diff v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/core/graph.rs:443:12
[INFO] [stderr]     |
[INFO] [stderr] 443 |         for i in (0..self.counter) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/graph.rs:682:7
[INFO] [stderr]     |
[INFO] [stderr] 682 |                     0...1 => return Err("Multiplication with less than 2 parents".to_string()),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/graph.rs:708:7
[INFO] [stderr]     |
[INFO] [stderr] 708 |                     0...1 => return Err("Multiplication with less than 2 parents".to_string()),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/graph.rs:815:7
[INFO] [stderr]     |
[INFO] [stderr] 815 |                     0...1 => return Err("Multiplication with less than 2 parents".to_string()),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/core/graph.rs:846:7
[INFO] [stderr]     |
[INFO] [stderr] 846 |                     0...1 => return Err("Multiplication with less than 2 parents".to_string()),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/graph.rs:1127:7
[INFO] [stderr]      |
[INFO] [stderr] 1127 |                 0 ... 1 => Err("Dot takes at least two arguments".to_string()),
[INFO] [stderr]      |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/graph.rs:1131:7
[INFO] [stderr]      |
[INFO] [stderr] 1131 |                 0 ... 1 => Err("HorzCat takes at least two arguments".to_string()),
[INFO] [stderr]      |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/graph.rs:1135:7
[INFO] [stderr]      |
[INFO] [stderr] 1135 |                 0 ... 1 => Err("VertCat takes at least two arguments".to_string()),
[INFO] [stderr]      |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:3883:29
[INFO] [stderr]      |
[INFO] [stderr] 3883 |                         'a' ...'z' | 'A' ...'Z' => Matched(next, ()),
[INFO] [stderr]      |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:3883:42
[INFO] [stderr]      |
[INFO] [stderr] 3883 |                         'a' ...'z' | 'A' ...'Z' => Matched(next, ()),
[INFO] [stderr]      |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:3900:53
[INFO] [stderr]      |
[INFO] [stderr] 3900 |                                                 'a' ...'z' | 'A' ...'Z' | '0'
[INFO] [stderr]      |                                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:3900:66
[INFO] [stderr]      |
[INFO] [stderr] 3900 |                                                 'a' ...'z' | 'A' ...'Z' | '0'
[INFO] [stderr]      |                                                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:3901:49
[INFO] [stderr]      |
[INFO] [stderr] 3901 |                                                 ...'9' | '_' =>
[INFO] [stderr]      |                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:3972:41
[INFO] [stderr]      |
[INFO] [stderr] 3972 |                                     '0' ...'9' => Matched(next, ()),
[INFO] [stderr]      |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:4015:71
[INFO] [stderr]      |
[INFO] [stderr] 4015 |                                                                   '0' ...'9'
[INFO] [stderr]      |                                                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/core/parser.rs:4220:24
[INFO] [stderr]      |
[INFO] [stderr] 4220 |             '\u{2000}' ...'\u{200a}' | '\u{202f}' | '\u{205f}' | '\u{3000}' =>
[INFO] [stderr]      |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/codegen/eigen.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn write_eigen(fmt: &mut Write, graph: & ComputeGraph) -> Result<(),Error>{
[INFO] [stderr]   |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/codegen/matlab.rs:5:31
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn write_matlab(fmt: &mut Write, graph: & ComputeGraph) -> Result<(),Error>{
[INFO] [stderr]   |                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/codegen/graphviz.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn write_graphviz(fmt: &mut Write, graph: & ComputeGraph) -> Result<(),Error>{
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/codegen/graphviz.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn write_node(fmt: &mut Write, node: &ComputeNode, name: &str, color:&str, shape: &str) -> Result<(),Error>{
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/main.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |             use std::io::Write;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 | use std::io::{Read,Write};
[INFO] [stderr]    |                    ----- the item `Write` is already imported here
[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/main.rs:80:62
[INFO] [stderr]    |
[INFO] [stderr] 80 |     try!(meta_diff::codegen::write_graphviz(&mut writer as &mut std::io::Write, &graph));
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `decode` found for type `docopt::Docopt` in the current scope
[INFO] [stderr]   --> src/main.rs:24:61
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let args: Args = docopt::Docopt::new(USAGE).and_then(|d| d.decode()).unwrap_or_else(|e| e.exit());
[INFO] [stderr]    |                                                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `meta_diff`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6406d544ce0fe81e2387a9e4995fce35c31cc8773a44b624aca8e223f6d144bb"`
[INFO] running `"docker" "rm" "-f" "6406d544ce0fe81e2387a9e4995fce35c31cc8773a44b624aca8e223f6d144bb"`
[INFO] [stdout] 6406d544ce0fe81e2387a9e4995fce35c31cc8773a44b624aca8e223f6d144bb