[INFO] updating cached repository aakamenov/monkey-lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aakamenov/monkey-lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aakamenov/monkey-lang" "work/ex/beta-1.38-1/sources/1.37.0/gh/aakamenov/monkey-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aakamenov/monkey-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aakamenov/monkey-lang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aakamenov/monkey-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aakamenov/monkey-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba24efb0dbc622ef0c90d463022ddc3c755051b4
[INFO] sha for GitHub repo aakamenov/monkey-lang: ba24efb0dbc622ef0c90d463022ddc3c755051b4
[INFO] validating manifest of aakamenov/monkey-lang 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 aakamenov/monkey-lang 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 aakamenov/monkey-lang
[INFO] finished frobbing aakamenov/monkey-lang
[INFO] frobbed toml for aakamenov/monkey-lang written to work/ex/beta-1.38-1/sources/1.37.0/gh/aakamenov/monkey-lang/Cargo.toml
[INFO] started frobbing aakamenov/monkey-lang
[INFO] finished frobbing aakamenov/monkey-lang
[INFO] frobbed toml for aakamenov/monkey-lang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aakamenov/monkey-lang/Cargo.toml
[INFO] crate aakamenov/monkey-lang 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing aakamenov/monkey-lang 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aakamenov/monkey-lang:/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] 5873a1eaf0181a2a051948679be14cd86f79a7767534d0df4da22b5880c2e275
[INFO] running `"docker" "start" "-a" "5873a1eaf0181a2a051948679be14cd86f79a7767534d0df4da22b5880c2e275"`
[INFO] [stderr]    Compiling monkey-lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 if next_line.trim_right() == "exit" {
[INFO] [stderr]    |                              ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "5873a1eaf0181a2a051948679be14cd86f79a7767534d0df4da22b5880c2e275"`
[INFO] running `"docker" "rm" "-f" "5873a1eaf0181a2a051948679be14cd86f79a7767534d0df4da22b5880c2e275"`
[INFO] [stdout] 5873a1eaf0181a2a051948679be14cd86f79a7767534d0df4da22b5880c2e275
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aakamenov/monkey-lang:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ae277ea2acfe615d016e08f31acbd1ed5dba6aeaf970eb822e0adea9cf691aa
[INFO] running `"docker" "start" "-a" "9ae277ea2acfe615d016e08f31acbd1ed5dba6aeaf970eb822e0adea9cf691aa"`
[INFO] [stderr]    Compiling monkey-lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 if next_line.trim_right() == "exit" {
[INFO] [stderr]    |                              ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "9ae277ea2acfe615d016e08f31acbd1ed5dba6aeaf970eb822e0adea9cf691aa"`
[INFO] running `"docker" "rm" "-f" "9ae277ea2acfe615d016e08f31acbd1ed5dba6aeaf970eb822e0adea9cf691aa"`
[INFO] [stdout] 9ae277ea2acfe615d016e08f31acbd1ed5dba6aeaf970eb822e0adea9cf691aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aakamenov/monkey-lang:/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" "test" "--frozen"`
[INFO] [stdout] 6d4fb82948082fbf71508cc90bd4af63d8961b0fd3a74dba59e68f05addf3a41
[INFO] running `"docker" "start" "-a" "6d4fb82948082fbf71508cc90bd4af63d8961b0fd3a74dba59e68f05addf3a41"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey_lang-61cfc9829c12ae1d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lexer::tests::next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6d4fb82948082fbf71508cc90bd4af63d8961b0fd3a74dba59e68f05addf3a41"`
[INFO] running `"docker" "rm" "-f" "6d4fb82948082fbf71508cc90bd4af63d8961b0fd3a74dba59e68f05addf3a41"`
[INFO] [stdout] 6d4fb82948082fbf71508cc90bd4af63d8961b0fd3a74dba59e68f05addf3a41