[INFO] crate slog-stdlog 3.0.4-pre is already in cache
[INFO] extracting crate slog-stdlog 3.0.4-pre into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/slog-stdlog/3.0.4-pre
[INFO] extracting crate slog-stdlog 3.0.4-pre into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/slog-stdlog/3.0.4-pre
[INFO] validating manifest of slog-stdlog-3.0.4-pre 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 slog-stdlog-3.0.4-pre 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 slog-stdlog-3.0.4-pre
[INFO] finished frobbing slog-stdlog-3.0.4-pre
[INFO] frobbed toml for slog-stdlog-3.0.4-pre written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/slog-stdlog/3.0.4-pre/Cargo.toml
[INFO] started frobbing slog-stdlog-3.0.4-pre
[INFO] finished frobbing slog-stdlog-3.0.4-pre
[INFO] frobbed toml for slog-stdlog-3.0.4-pre written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/slog-stdlog/3.0.4-pre/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 slog-stdlog-3.0.4-pre against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/slog-stdlog/3.0.4-pre:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 83ea0caafb1edb262874c90848976b273f2a90e0f56905fa6382cb232ee1caa5
[INFO] running `"docker" "start" "-a" "83ea0caafb1edb262874c90848976b273f2a90e0f56905fa6382cb232ee1caa5"`
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking slog-stdlog v3.0.4-pre (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "83ea0caafb1edb262874c90848976b273f2a90e0f56905fa6382cb232ee1caa5"`
[INFO] running `"docker" "rm" "-f" "83ea0caafb1edb262874c90848976b273f2a90e0f56905fa6382cb232ee1caa5"`
[INFO] [stdout] 83ea0caafb1edb262874c90848976b273f2a90e0f56905fa6382cb232ee1caa5