[INFO] updating cached repository WarpspeedSCP/rusty-sic-xe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/WarpspeedSCP/rusty-sic-xe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/WarpspeedSCP/rusty-sic-xe" "work/ex/beta-1.38-1/sources/1.37.0/gh/WarpspeedSCP/rusty-sic-xe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/WarpspeedSCP/rusty-sic-xe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/WarpspeedSCP/rusty-sic-xe" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/WarpspeedSCP/rusty-sic-xe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/WarpspeedSCP/rusty-sic-xe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a0c6aed0b24302706f0a15428a314d3a84d033f
[INFO] sha for GitHub repo WarpspeedSCP/rusty-sic-xe: 6a0c6aed0b24302706f0a15428a314d3a84d033f
[INFO] validating manifest of WarpspeedSCP/rusty-sic-xe 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 WarpspeedSCP/rusty-sic-xe 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 WarpspeedSCP/rusty-sic-xe
[INFO] finished frobbing WarpspeedSCP/rusty-sic-xe
[INFO] frobbed toml for WarpspeedSCP/rusty-sic-xe written to work/ex/beta-1.38-1/sources/1.37.0/gh/WarpspeedSCP/rusty-sic-xe/Cargo.toml
[INFO] started frobbing WarpspeedSCP/rusty-sic-xe
[INFO] finished frobbing WarpspeedSCP/rusty-sic-xe
[INFO] frobbed toml for WarpspeedSCP/rusty-sic-xe written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/WarpspeedSCP/rusty-sic-xe/Cargo.toml
[INFO] crate WarpspeedSCP/rusty-sic-xe 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/WarpspeedSCP/rusty-sic-xe/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[INFO] the lockfile is outdated, regenerating it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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing WarpspeedSCP/rusty-sic-xe 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/WarpspeedSCP/rusty-sic-xe:/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] 5e0cb09392fd01ff758303f1bce77bcbecbf62af475d0330ea221adaf138007f
[INFO] running `"docker" "start" "-a" "5e0cb09392fd01ff758303f1bce77bcbecbf62af475d0330ea221adaf138007f"`
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling yacc v0.1.0 (/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(trace_macros)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `mod_rec` should have an upper camel case name
[INFO] [stderr]   --> src/line.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct mod_rec {
[INFO] [stderr]    |            ^^^^^^^ help: convert the identifier to upper camel case: `ModRec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `format` should have an upper camel case name
[INFO] [stderr]   --> src/line.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub enum format {
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `Format`
[INFO] [stderr] 
[INFO] [stderr] warning: type `addr_mod` should have an upper camel case name
[INFO] [stderr]    --> src/line.rs:144:10
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub enum addr_mod {
[INFO] [stderr]     |          ^^^^^^^^ help: convert the identifier to upper camel case: `AddrMod`
[INFO] [stderr] 
[INFO] [stderr] warning: type `arg_struct` should have an upper camel case name
[INFO] [stderr]    --> src/line.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub struct arg_struct {
[INFO] [stderr]     |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `ArgStruct`
[INFO] [stderr] 
[INFO] [stderr] warning: type `expr_struct` should have an upper camel case name
[INFO] [stderr]    --> src/line.rs:188:12
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub struct expr_struct {
[INFO] [stderr]     |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ExprStruct`
[INFO] [stderr] 
[INFO] [stderr] warning: type `arg` should have an upper camel case name
[INFO] [stderr]    --> src/line.rs:195:10
[INFO] [stderr]     |
[INFO] [stderr] 195 | pub enum arg {
[INFO] [stderr]     |          ^^^ help: convert the identifier to upper camel case: `Arg`
[INFO] [stderr] 
[INFO] [stderr] warning: type `op_struct` should have an upper camel case name
[INFO] [stderr]    --> src/line.rs:219:12
[INFO] [stderr]     |
[INFO] [stderr] 219 | pub struct op_struct { pub opcode: u8, pub name: &'static str, pub long: bool }
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to upper camel case: `OpStruct`
[INFO] [stderr] 
[INFO] [stderr] warning: type `source_op` should have an upper camel case name
[INFO] [stderr]    --> src/line.rs:222:10
[INFO] [stderr]     |
[INFO] [stderr] 222 | pub enum source_op {
[INFO] [stderr]     |          ^^^^^^^^^ help: convert the identifier to upper camel case: `SourceOp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufRead`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::BufRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `yacc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5e0cb09392fd01ff758303f1bce77bcbecbf62af475d0330ea221adaf138007f"`
[INFO] running `"docker" "rm" "-f" "5e0cb09392fd01ff758303f1bce77bcbecbf62af475d0330ea221adaf138007f"`
[INFO] [stdout] 5e0cb09392fd01ff758303f1bce77bcbecbf62af475d0330ea221adaf138007f