[INFO] updating cached repository teiesti/fussel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/teiesti/fussel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/teiesti/fussel" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/teiesti/fussel"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/teiesti/fussel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/teiesti/fussel" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/teiesti/fussel"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/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#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of teiesti/fussel on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-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-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/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-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/teiesti/fussel/Cargo.toml
[INFO] crate teiesti/fussel has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking teiesti/fussel against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-7/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/teiesti/fussel:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 30a39bc5366e26829bb81cab2b84aa39defa08422134a29a809422aeef3e14d4
[INFO] running `"docker" "start" "-a" "30a39bc5366e26829bb81cab2b84aa39defa08422134a29a809422aeef3e14d4"`
[INFO] [stderr]     Checking yansi v0.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.2.2
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking walkdir v2.1.3
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking clap v2.29.4
[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 backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking structopt v0.2.2
[INFO] [stderr]     Checking fussel v0.1.0-dev (/opt/crater/workdir)
[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 29.80s
[INFO] running `"docker" "inspect" "30a39bc5366e26829bb81cab2b84aa39defa08422134a29a809422aeef3e14d4"`
[INFO] running `"docker" "rm" "-f" "30a39bc5366e26829bb81cab2b84aa39defa08422134a29a809422aeef3e14d4"`
[INFO] [stdout] 30a39bc5366e26829bb81cab2b84aa39defa08422134a29a809422aeef3e14d4