[INFO] crate rspec 1.0.0-beta.4 is already in cache
[INFO] extracting crate rspec 1.0.0-beta.4 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/rspec/1.0.0-beta.4
[INFO] extracting crate rspec 1.0.0-beta.4 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/rspec/1.0.0-beta.4
[INFO] validating manifest of rspec-1.0.0-beta.4 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rspec-1.0.0-beta.4 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rspec-1.0.0-beta.4
[INFO] finished frobbing rspec-1.0.0-beta.4
[INFO] frobbed toml for rspec-1.0.0-beta.4 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/rspec/1.0.0-beta.4/Cargo.toml
[INFO] started frobbing rspec-1.0.0-beta.4
[INFO] finished frobbing rspec-1.0.0-beta.4
[INFO] frobbed toml for rspec-1.0.0-beta.4 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/rspec/1.0.0-beta.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rspec-1.0.0-beta.4 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-7/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/rspec/1.0.0-beta.4:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0c6c950861778389068b837485d690f86ae863438918a98cd1d45b451cdc19d9
[INFO] running `"docker" "start" "-a" "0c6c950861778389068b837485d690f86ae863438918a98cd1d45b451cdc19d9"`
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking rspec v1.0.0-beta.4 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Logger` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub use logger::Logger;
[INFO] [stderr]    |         -------------- the item `Logger` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |     use logger::Logger;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ConfigurationBuilder` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                 -------------------- the item `ConfigurationBuilder` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Runner` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                                       ------ the item `Runner` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Logger` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub use logger::Logger;
[INFO] [stderr]    |         -------------- the item `Logger` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |     use logger::Logger;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ConfigurationBuilder` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                 -------------------- the item `ConfigurationBuilder` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Runner` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                                       ------ the item `Runner` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `"docker" "inspect" "0c6c950861778389068b837485d690f86ae863438918a98cd1d45b451cdc19d9"`
[INFO] running `"docker" "rm" "-f" "0c6c950861778389068b837485d690f86ae863438918a98cd1d45b451cdc19d9"`
[INFO] [stdout] 0c6c950861778389068b837485d690f86ae863438918a98cd1d45b451cdc19d9