[INFO] updating cached repository av-elier/ar-hist
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/av-elier/ar-hist
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/av-elier/ar-hist" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/av-elier/ar-hist"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/av-elier/ar-hist'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/av-elier/ar-hist" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/av-elier/ar-hist"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/av-elier/ar-hist'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b74e78a8f86c3e68b89bf236f208aaa00d50bfd1
[INFO] sha for GitHub repo av-elier/ar-hist: b74e78a8f86c3e68b89bf236f208aaa00d50bfd1
[INFO] validating manifest of av-elier/ar-hist on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of av-elier/ar-hist on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing av-elier/ar-hist
[INFO] finished frobbing av-elier/ar-hist
[INFO] frobbed toml for av-elier/ar-hist written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/av-elier/ar-hist/Cargo.toml
[INFO] started frobbing av-elier/ar-hist
[INFO] finished frobbing av-elier/ar-hist
[INFO] frobbed toml for av-elier/ar-hist written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/av-elier/ar-hist/Cargo.toml
[INFO] crate av-elier/ar-hist already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking av-elier/ar-hist against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/av-elier/ar-hist:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2f22264c565886d0207df8e4f6ab26b3c82dffa8050bd7c522786e0d42cb743
[INFO] running `"docker" "start" "-a" "b2f22264c565886d0207df8e4f6ab26b3c82dffa8050bd7c522786e0d42cb743"`
[INFO] [stderr]     Checking clap v2.29.3
[INFO] [stderr]     Checking postgres-protocol v0.3.1
[INFO] [stderr]     Checking postgres-shared v0.4.0
[INFO] [stderr]     Checking postgres v0.15.1
[INFO] [stderr]     Checking ar-hist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `iterator_try_fold` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(iterator_try_fold)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `iterator_try_fold` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(iterator_try_fold)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `"docker" "inspect" "b2f22264c565886d0207df8e4f6ab26b3c82dffa8050bd7c522786e0d42cb743"`
[INFO] running `"docker" "rm" "-f" "b2f22264c565886d0207df8e4f6ab26b3c82dffa8050bd7c522786e0d42cb743"`
[INFO] [stdout] b2f22264c565886d0207df8e4f6ab26b3c82dffa8050bd7c522786e0d42cb743