[INFO] fetching crate little-skeptic 0.15.1...
[INFO] extracting crate little-skeptic 0.15.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/little-skeptic/0.15.1
[INFO] extracting crate little-skeptic 0.15.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/little-skeptic/0.15.1
[INFO] validating manifest of little-skeptic-0.15.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of little-skeptic-0.15.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing little-skeptic-0.15.1
[INFO] finished frobbing little-skeptic-0.15.1
[INFO] frobbed toml for little-skeptic-0.15.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/little-skeptic/0.15.1/Cargo.toml
[INFO] started frobbing little-skeptic-0.15.1
[INFO] finished frobbing little-skeptic-0.15.1
[INFO] frobbed toml for little-skeptic-0.15.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/little-skeptic/0.15.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building little-skeptic-0.15.1 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/little-skeptic/0.15.1:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 338d0b501140e57310df8725e90f3b856cf3c497db5782c8054ae9eb2cf36699
[INFO] running `"docker" "start" "-a" "338d0b501140e57310df8725e90f3b856cf3c497db5782c8054ae9eb2cf36699"`
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling handlebars v1.1.0
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling little-skeptic v0.15.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> lib.rs:558:5
[INFO] [stderr]     |
[INFO] [stderr] 558 | /     error_chain! {
[INFO] [stderr] 559 | |         errors { Fingerprint }
[INFO] [stderr] 560 | |         foreign_links {
[INFO] [stderr] 561 | |             Io(std::io::Error);
[INFO] [stderr] ...   |
[INFO] [stderr] 564 | |         }
[INFO] [stderr] 565 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> lib.rs:558:5
[INFO] [stderr]     |
[INFO] [stderr] 558 | /     error_chain! {
[INFO] [stderr] 559 | |         errors { Fingerprint }
[INFO] [stderr] 560 | |         foreign_links {
[INFO] [stderr] 561 | |             Io(std::io::Error);
[INFO] [stderr] ...   |
[INFO] [stderr] 564 | |         }
[INFO] [stderr] 565 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.01s
[INFO] running `"docker" "inspect" "338d0b501140e57310df8725e90f3b856cf3c497db5782c8054ae9eb2cf36699"`
[INFO] running `"docker" "rm" "-f" "338d0b501140e57310df8725e90f3b856cf3c497db5782c8054ae9eb2cf36699"`
[INFO] [stdout] 338d0b501140e57310df8725e90f3b856cf3c497db5782c8054ae9eb2cf36699
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/little-skeptic/0.15.1:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0366a28ec136f497cc47f7863cc78301f20fe62282b8e732a8d5224f6b4bc1e3
[INFO] running `"docker" "start" "-a" "0366a28ec136f497cc47f7863cc78301f20fe62282b8e732a8d5224f6b4bc1e3"`
[INFO] [stderr]    Compiling little-skeptic v0.15.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> lib.rs:558:5
[INFO] [stderr]     |
[INFO] [stderr] 558 | /     error_chain! {
[INFO] [stderr] 559 | |         errors { Fingerprint }
[INFO] [stderr] 560 | |         foreign_links {
[INFO] [stderr] 561 | |             Io(std::io::Error);
[INFO] [stderr] ...   |
[INFO] [stderr] 564 | |         }
[INFO] [stderr] 565 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> lib.rs:558:5
[INFO] [stderr]     |
[INFO] [stderr] 558 | /     error_chain! {
[INFO] [stderr] 559 | |         errors { Fingerprint }
[INFO] [stderr] 560 | |         foreign_links {
[INFO] [stderr] 561 | |             Io(std::io::Error);
[INFO] [stderr] ...   |
[INFO] [stderr] 564 | |         }
[INFO] [stderr] 565 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "0366a28ec136f497cc47f7863cc78301f20fe62282b8e732a8d5224f6b4bc1e3"`
[INFO] running `"docker" "rm" "-f" "0366a28ec136f497cc47f7863cc78301f20fe62282b8e732a8d5224f6b4bc1e3"`
[INFO] [stdout] 0366a28ec136f497cc47f7863cc78301f20fe62282b8e732a8d5224f6b4bc1e3