[INFO] cloning repository teiesti/fussel
[INFO] running `"git" "clone" "--bare" "git://github.com/teiesti/fussel.git" "work/cache/sources/gh/teiesti/fussel"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/teiesti/fussel'...
[INFO] running `"git" "clone" "work/cache/sources/gh/teiesti/fussel" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/teiesti/fussel"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/teiesti/fussel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/teiesti/fussel" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/teiesti/fussel"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/teiesti/fussel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29589540d3c2a72c532cc0e865b309b323575b1b
[INFO] sha for GitHub repo teiesti/fussel: 29589540d3c2a72c532cc0e865b309b323575b1b
[INFO] validating manifest of teiesti/fussel on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of teiesti/fussel on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing teiesti/fussel
[INFO] finished frobbing teiesti/fussel
[INFO] frobbed toml for teiesti/fussel written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/teiesti/fussel/Cargo.toml
[INFO] started frobbing teiesti/fussel
[INFO] finished frobbing teiesti/fussel
[INFO] frobbed toml for teiesti/fussel written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/teiesti/fussel/Cargo.toml
[INFO] crate teiesti/fussel already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v2.1.3
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking teiesti/fussel against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/teiesti/fussel:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b0b1868d84c4d31b7c9eb89792a365cef03b862e306320b41570ed3f2c7386c6
[INFO] running `"docker" "start" "-a" "b0b1868d84c4d31b7c9eb89792a365cef03b862e306320b41570ed3f2c7386c6"`
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking yansi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.2.2
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking walkdir v2.1.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.12
[INFO] [stderr]    Compiling structopt-derive v0.2.2
[INFO] [stderr]     Checking structopt v0.2.2
[INFO] [stderr]     Checking fussel v0.1.0-dev (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/indentation.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[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/lint/line_break.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/line_length.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/trailing_newline.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/trailing_whitespace.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/mod.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     IntoIter = Box<Iterator<Item = <Self as IntoIterator>::Item>>
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = <Self as IntoIterator>::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:34:41
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut subtree_filter: Vec<Box<Fn(&DirEntry) -> bool>> = vec![];
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut node_filter:    Vec<Box<Fn(&DirEntry) -> bool>> = vec![];
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:121:25
[INFO] [stderr]     |
[INFO] [stderr] 121 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:179:38
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 .flat_map(|x| -> Box<Iterator<Item = _>> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = _>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/indentation.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[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/lint/line_break.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/line_length.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/trailing_newline.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/trailing_whitespace.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lint/mod.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     IntoIter = Box<Iterator<Item = <Self as IntoIterator>::Item>>
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = <Self as IntoIterator>::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:34:41
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut subtree_filter: Vec<Box<Fn(&DirEntry) -> bool>> = vec![];
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut node_filter:    Vec<Box<Fn(&DirEntry) -> bool>> = vec![];
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/traverse.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:121:25
[INFO] [stderr]     |
[INFO] [stderr] 121 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |     type IntoIter = Box<Iterator<Item = Self::Item>>;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Item>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/traverse.rs:179:38
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 .flat_map(|x| -> Box<Iterator<Item = _>> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = _>`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lint/indentation.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[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/lint/line_break.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lint/line_length.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lint/trailing_newline.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lint/indentation.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[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/lint/line_break.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lint/line_length.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lint/trailing_newline.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn into_iter(mut self) -> Self::IntoIter {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.59s
[INFO] running `"docker" "inspect" "b0b1868d84c4d31b7c9eb89792a365cef03b862e306320b41570ed3f2c7386c6"`
[INFO] running `"docker" "rm" "-f" "b0b1868d84c4d31b7c9eb89792a365cef03b862e306320b41570ed3f2c7386c6"`
[INFO] [stdout] b0b1868d84c4d31b7c9eb89792a365cef03b862e306320b41570ed3f2c7386c6