[INFO] crate specs-derive 0.4.0 is already in cache
[INFO] extracting crate specs-derive 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/specs-derive/0.4.0
[INFO] extracting crate specs-derive 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/specs-derive/0.4.0
[INFO] validating manifest of specs-derive-0.4.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of specs-derive-0.4.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing specs-derive-0.4.0
[INFO] finished frobbing specs-derive-0.4.0
[INFO] frobbed toml for specs-derive-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/specs-derive/0.4.0/Cargo.toml
[INFO] started frobbing specs-derive-0.4.0
[INFO] finished frobbing specs-derive-0.4.0
[INFO] frobbed toml for specs-derive-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/specs-derive/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing specs-derive-0.4.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/specs-derive/0.4.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bf9eb275a066feb05e0a9f87d8b907f4ed5863c3aedf58ac6eeb745a551c9f5b
[INFO] running `"docker" "start" "-a" "bf9eb275a066feb05e0a9f87d8b907f4ed5863c3aedf58ac6eeb745a551c9f5b"`
[INFO] [stderr]    Compiling specs-derive v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `GenericParam` is imported redundantly
[INFO] [stderr]    --> src/impl_saveload.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use syn::{DataEnum, DataStruct, DeriveInput, Field, Generics, Ident, Type, GenericParam, WhereClause, WherePredicate};
[INFO] [stderr]     |                                                                            ------------ the item `GenericParam` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 406 |     use syn::GenericParam;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "bf9eb275a066feb05e0a9f87d8b907f4ed5863c3aedf58ac6eeb745a551c9f5b"`
[INFO] running `"docker" "rm" "-f" "bf9eb275a066feb05e0a9f87d8b907f4ed5863c3aedf58ac6eeb745a551c9f5b"`
[INFO] [stdout] bf9eb275a066feb05e0a9f87d8b907f4ed5863c3aedf58ac6eeb745a551c9f5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/specs-derive/0.4.0:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ecfe58cc62b0edac9da5c5e3c250f37d342fd9b8355e22fdbf9d0c89ac180635
[INFO] running `"docker" "start" "-a" "ecfe58cc62b0edac9da5c5e3c250f37d342fd9b8355e22fdbf9d0c89ac180635"`
[INFO] [stderr]    Compiling specs-derive v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `GenericParam` is imported redundantly
[INFO] [stderr]    --> src/impl_saveload.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use syn::{DataEnum, DataStruct, DeriveInput, Field, Generics, Ident, Type, GenericParam, WhereClause, WherePredicate};
[INFO] [stderr]     |                                                                            ------------ the item `GenericParam` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 406 |     use syn::GenericParam;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "ecfe58cc62b0edac9da5c5e3c250f37d342fd9b8355e22fdbf9d0c89ac180635"`
[INFO] running `"docker" "rm" "-f" "ecfe58cc62b0edac9da5c5e3c250f37d342fd9b8355e22fdbf9d0c89ac180635"`
[INFO] [stdout] ecfe58cc62b0edac9da5c5e3c250f37d342fd9b8355e22fdbf9d0c89ac180635
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/specs-derive/0.4.0:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 83661ee705d36f361b031f86d1d0bf99f723b67211490da8763356a90802b2dd
[INFO] running `"docker" "start" "-a" "83661ee705d36f361b031f86d1d0bf99f723b67211490da8763356a90802b2dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/specs_derive-e09c18eb1b9b0a8a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests specs-derive
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - component (line 24) ... ignored
[INFO] [stdout] test src/lib.rs - saveload (line 81) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "83661ee705d36f361b031f86d1d0bf99f723b67211490da8763356a90802b2dd"`
[INFO] running `"docker" "rm" "-f" "83661ee705d36f361b031f86d1d0bf99f723b67211490da8763356a90802b2dd"`
[INFO] [stdout] 83661ee705d36f361b031f86d1d0bf99f723b67211490da8763356a90802b2dd