[INFO] fetching crate sml 0.1.46...
[INFO] extracting crate sml 0.1.46 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sml/0.1.46
[INFO] extracting crate sml 0.1.46 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/sml/0.1.46
[INFO] validating manifest of sml-0.1.46 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sml-0.1.46 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sml-0.1.46
[INFO] finished frobbing sml-0.1.46
[INFO] frobbed toml for sml-0.1.46 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sml/0.1.46/Cargo.toml
[INFO] started frobbing sml-0.1.46
[INFO] finished frobbing sml-0.1.46
[INFO] frobbed toml for sml-0.1.46 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/sml/0.1.46/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sml-0.1.46 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sml/0.1.46:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4fbcf427e340bb96015298f19a82498f058b71ea8a77f463d2b979e4cf8bc21f
[INFO] running `"docker" "start" "-a" "4fbcf427e340bb96015298f19a82498f058b71ea8a77f463d2b979e4cf8bc21f"`
[INFO] [stderr]     Checking sml v0.1.46 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `spaces`
[INFO] [stderr]    --> src/lib.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn spaces(i: usize) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] warning: function is never used: `spaces`
[INFO] [stderr]    --> src/lib.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn spaces(i: usize) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indent`
[INFO] [stderr]    --> src/lib.rs:446:5
[INFO] [stderr]     |
[INFO] [stderr] 446 |     fn indent(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `line`
[INFO] [stderr]    --> src/lib.rs:576:5
[INFO] [stderr]     |
[INFO] [stderr] 576 |     fn line(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indent`
[INFO] [stderr]    --> src/lib.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn indent(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tokens`
[INFO] [stderr]    --> src/lib.rs:724:5
[INFO] [stderr]     |
[INFO] [stderr] 724 |     fn tokens(&self) -> Vec<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indent`
[INFO] [stderr]    --> src/lib.rs:446:5
[INFO] [stderr]     |
[INFO] [stderr] 446 |     fn indent(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `line`
[INFO] [stderr]    --> src/lib.rs:576:5
[INFO] [stderr]     |
[INFO] [stderr] 576 |     fn line(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indent`
[INFO] [stderr]    --> src/lib.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     fn indent(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tokens`
[INFO] [stderr]    --> src/lib.rs:724:5
[INFO] [stderr]     |
[INFO] [stderr] 724 |     fn tokens(&self) -> Vec<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `key_parse2`
[INFO] [stderr]    --> tests/test.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn key_parse2() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "4fbcf427e340bb96015298f19a82498f058b71ea8a77f463d2b979e4cf8bc21f"`
[INFO] running `"docker" "rm" "-f" "4fbcf427e340bb96015298f19a82498f058b71ea8a77f463d2b979e4cf8bc21f"`
[INFO] [stdout] 4fbcf427e340bb96015298f19a82498f058b71ea8a77f463d2b979e4cf8bc21f