[INFO] updating cached repository zesplot/zesplot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zesplot/zesplot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zesplot/zesplot" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/zesplot/zesplot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/zesplot/zesplot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zesplot/zesplot" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zesplot/zesplot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zesplot/zesplot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09dbeaabd14d3060cf7e88bfd6891ca564b14e57
[INFO] sha for GitHub repo zesplot/zesplot: 09dbeaabd14d3060cf7e88bfd6891ca564b14e57
[INFO] validating manifest of zesplot/zesplot on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zesplot/zesplot on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zesplot/zesplot
[INFO] finished frobbing zesplot/zesplot
[INFO] frobbed toml for zesplot/zesplot written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/zesplot/zesplot/Cargo.toml
[INFO] started frobbing zesplot/zesplot
[INFO] finished frobbing zesplot/zesplot
[INFO] frobbed toml for zesplot/zesplot written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zesplot/zesplot/Cargo.toml
[INFO] crate zesplot/zesplot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zesplot/zesplot against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zesplot/zesplot:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 19de79bae613444051890691e14e7a01dbef1b78f1684aa4d258f66e3f7ffecd
[INFO] running `"docker" "start" "-a" "19de79bae613444051890691e14e7a01dbef1b78f1684aa4d258f66e3f7ffecd"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking svg v0.5.11
[INFO] [stderr]     Checking treebitmap v0.3.1 (https://github.com/zesplot/treebitmap.git?branch=longest_match_mut#c572cbd5)
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking radix_trie v0.1.3
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking ipnetwork v0.13.1
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking csv v1.0.1
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking zesplot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/treemap.rs:363:13
[INFO] [stderr]     |
[INFO] [stderr] 363 |     #[allow(many_single_char_names)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `many_single_char_names`
[INFO] [stderr]    --> src/treemap.rs:363:13
[INFO] [stderr]     |
[INFO] [stderr] 363 |     #[allow(many_single_char_names)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/treemap.rs:49:14
[INFO] [stderr]    |
[INFO] [stderr] 49 |             0...31 => 32,
[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/treemap.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |             32...63 => 64,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/treemap.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 |             64...127 => 128,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/treemap.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             128...255 => 255,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/treemap.rs:309:40
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn iter_specs<'a>(&'a self) -> Box<Iterator<Item=&'a Specific> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Specific> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/treemap.rs:49:14
[INFO] [stderr]    |
[INFO] [stderr] 49 |             0...31 => 32,
[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/treemap.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |             32...63 => 64,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/treemap.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 |             64...127 => 128,
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/treemap.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             128...255 => 255,
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/treemap.rs:309:40
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn iter_specs<'a>(&'a self) -> Box<Iterator<Item=&'a Specific> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a Specific> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treemap.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |         for mut dp in &mut self.datapoints {
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treemap.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |         for mut dp in &mut self.datapoints {
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/input.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 writeln!(buf, "{}", dp.ip6);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_specifics`
[INFO] [stderr]    --> src/treemap.rs:728:5
[INFO] [stderr]     |
[INFO] [stderr] 728 |     fn gen_specifics() -> Vec<Specific> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/input.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 writeln!(buf, "{}", dp.ip6);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.06s
[INFO] running `"docker" "inspect" "19de79bae613444051890691e14e7a01dbef1b78f1684aa4d258f66e3f7ffecd"`
[INFO] running `"docker" "rm" "-f" "19de79bae613444051890691e14e7a01dbef1b78f1684aa4d258f66e3f7ffecd"`
[INFO] [stdout] 19de79bae613444051890691e14e7a01dbef1b78f1684aa4d258f66e3f7ffecd