[INFO] updating cached repository psFried/pgen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/psFried/pgen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/psFried/pgen" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/psFried/pgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/psFried/pgen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/psFried/pgen" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/psFried/pgen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/psFried/pgen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 008a4c680cd3651da5442780076523df1e8df86e
[INFO] sha for GitHub repo psFried/pgen: 008a4c680cd3651da5442780076523df1e8df86e
[INFO] validating manifest of psFried/pgen on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of psFried/pgen on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing psFried/pgen
[INFO] finished frobbing psFried/pgen
[INFO] frobbed toml for psFried/pgen written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/psFried/pgen/Cargo.toml
[INFO] started frobbing psFried/pgen
[INFO] finished frobbing psFried/pgen
[INFO] frobbed toml for psFried/pgen written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/psFried/pgen/Cargo.toml
[INFO] crate psFried/pgen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking psFried/pgen against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/psFried/pgen:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a90368f5fa6e17b56dd7b05e9ede27e49a084e89e9ab7781888f5e189efd53aa
[INFO] running `"docker" "start" "-a" "a90368f5fa6e17b56dd7b05e9ede27e49a084e89e9ab7781888f5e189efd53aa"`
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking itertools-num v0.1.2
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling digest v0.7.4
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling ena v0.9.3
[INFO] [stderr]     Checking rustyline v3.0.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling syn v0.15.14
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/lib.rs:655:43
[INFO] [stderr]     |
[INFO] [stderr] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stderr]     |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking regex v1.0.1
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a90368f5fa6e17b56dd7b05e9ede27e49a084e89e9ab7781888f5e189efd53aa"`
[INFO] running `"docker" "rm" "-f" "a90368f5fa6e17b56dd7b05e9ede27e49a084e89e9ab7781888f5e189efd53aa"`
[INFO] [stdout] a90368f5fa6e17b56dd7b05e9ede27e49a084e89e9ab7781888f5e189efd53aa