[INFO] updating cached repository honzasp/spiral
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/honzasp/spiral
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/honzasp/spiral" "work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/spiral"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/spiral'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/honzasp/spiral" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/spiral"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/spiral'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed506c02aa90a248799f6b84fb0de19ad6f396ab
[INFO] sha for GitHub repo honzasp/spiral: ed506c02aa90a248799f6b84fb0de19ad6f396ab
[INFO] validating manifest of honzasp/spiral on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of honzasp/spiral on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing honzasp/spiral
[INFO] finished frobbing honzasp/spiral
[INFO] frobbed toml for honzasp/spiral written to work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/spiral/Cargo.toml
[INFO] started frobbing honzasp/spiral
[INFO] finished frobbing honzasp/spiral
[INFO] frobbed toml for honzasp/spiral written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/honzasp/spiral/Cargo.toml
[INFO] crate honzasp/spiral already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/spiral/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing honzasp/spiral against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/honzasp/spiral:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 997da07ca70f6a0ef7248ff075c7ef94ef44e61fa72a715425c3e190f1ff52ee
[INFO] running `"docker" "start" "-a" "997da07ca70f6a0ef7248ff075c7ef94ef44e61fa72a715425c3e190f1ff52ee"`
[INFO] [stderr]    Compiling spiral v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax, str_char, iter_arith)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spiral/to_spine/mods.rs:13:21
[INFO] [stderr]    |
[INFO] [stderr] 13 |   mod_loader: &mut (FnMut(&spiral::ModName) -> Result<spiral::Mod, String>))
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&spiral::ModName) -> Result<spiral::Mod, String>`
[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/spiral/to_spine/mod.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |   mod_loader: &mut (FnMut(&spiral::ModName) -> Result<spiral::Mod, String>))
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&spiral::ModName) -> Result<spiral::Mod, String>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]  --> src/sexpr/parse.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |       if rest.trim_left().is_empty() { 
[INFO] [stderr]   |               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/sexpr/parse.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let input = input.trim_left();
[INFO] [stderr]    |                     ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/sexpr/parse.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |   match input.trim_left().slice_shift_char() {
[INFO] [stderr]    |               ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_shift_char` found for type `&str` in the current scope
[INFO] [stderr]   --> src/sexpr/parse.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 |   match input.trim_left().slice_shift_char() {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_shift_char` found for type `&str` in the current scope
[INFO] [stderr]   --> src/sexpr/parse.rs:36:38
[INFO] [stderr]    |
[INFO] [stderr] 36 |   while let Some((ch, rest)) = input.slice_shift_char() {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_shift_char` found for type `&str` in the current scope
[INFO] [stderr]   --> src/sexpr/parse.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |   while let Some((ch, rest)) = input.slice_shift_char() {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_shift_char` found for type `&'a str` in the current scope
[INFO] [stderr]   --> src/sexpr/parse.rs:80:31
[INFO] [stderr]    |
[INFO] [stderr] 80 |   let mut input = match input.slice_shift_char() {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_shift_char` found for type `&str` in the current scope
[INFO] [stderr]   --> src/sexpr/parse.rs:89:26
[INFO] [stderr]    |
[INFO] [stderr] 89 |       '\\' => match rest.slice_shift_char() {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_shift_char` found for type `&'a str` in the current scope
[INFO] [stderr]    --> src/sexpr/parse.rs:107:31
[INFO] [stderr]     |
[INFO] [stderr] 107 |   let mut input = match input.slice_shift_char() {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `slice_shift_char` found for type `&'a str` in the current scope
[INFO] [stderr]    --> src/sexpr/parse.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 |   let mut input = match input.slice_shift_char() {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `spiral`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "997da07ca70f6a0ef7248ff075c7ef94ef44e61fa72a715425c3e190f1ff52ee"`
[INFO] running `"docker" "rm" "-f" "997da07ca70f6a0ef7248ff075c7ef94ef44e61fa72a715425c3e190f1ff52ee"`
[INFO] [stdout] 997da07ca70f6a0ef7248ff075c7ef94ef44e61fa72a715425c3e190f1ff52ee