[INFO] crate std_serde_shims 0.2.1 is already in cache
[INFO] extracting crate std_serde_shims 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/std_serde_shims/0.2.1
[INFO] extracting crate std_serde_shims 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/std_serde_shims/0.2.1
[INFO] validating manifest of std_serde_shims-0.2.1 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 std_serde_shims-0.2.1 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 std_serde_shims-0.2.1
[INFO] finished frobbing std_serde_shims-0.2.1
[INFO] frobbed toml for std_serde_shims-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/std_serde_shims/0.2.1/Cargo.toml
[INFO] started frobbing std_serde_shims-0.2.1
[INFO] finished frobbing std_serde_shims-0.2.1
[INFO] frobbed toml for std_serde_shims-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/std_serde_shims/0.2.1/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing std_serde_shims-0.2.1 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/std_serde_shims/0.2.1:/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=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] 78d0368b202e6081c5fd78d997a03704fe2883565aac97fd87134bb06feb8d04
[INFO] running `"docker" "start" "-a" "78d0368b202e6081c5fd78d997a03704fe2883565aac97fd87134bb06feb8d04"`
[INFO] [stderr]    Compiling std_serde_shims v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "78d0368b202e6081c5fd78d997a03704fe2883565aac97fd87134bb06feb8d04"`
[INFO] running `"docker" "rm" "-f" "78d0368b202e6081c5fd78d997a03704fe2883565aac97fd87134bb06feb8d04"`
[INFO] [stdout] 78d0368b202e6081c5fd78d997a03704fe2883565aac97fd87134bb06feb8d04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/std_serde_shims/0.2.1:/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=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] 7e5a37558ce47a103e168b925ac29b80fa1498aa6ceba6f772a42755a46950c7
[INFO] running `"docker" "start" "-a" "7e5a37558ce47a103e168b925ac29b80fa1498aa6ceba6f772a42755a46950c7"`
[INFO] [stderr]    Compiling std_serde_shims v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "7e5a37558ce47a103e168b925ac29b80fa1498aa6ceba6f772a42755a46950c7"`
[INFO] running `"docker" "rm" "-f" "7e5a37558ce47a103e168b925ac29b80fa1498aa6ceba6f772a42755a46950c7"`
[INFO] [stdout] 7e5a37558ce47a103e168b925ac29b80fa1498aa6ceba6f772a42755a46950c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/std_serde_shims/0.2.1:/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=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] 9e426b3c126aff9aaafab155fe3b4387d2e4ec3bb8dbd26faf2d9654b60322a8
[INFO] running `"docker" "start" "-a" "9e426b3c126aff9aaafab155fe3b4387d2e4ec3bb8dbd26faf2d9654b60322a8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/std_serde_shims-fe7de94099bea271
[INFO] [stderr]    Doc-tests std_serde_shims
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - option::serialize_none_as_default (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9e426b3c126aff9aaafab155fe3b4387d2e4ec3bb8dbd26faf2d9654b60322a8"`
[INFO] running `"docker" "rm" "-f" "9e426b3c126aff9aaafab155fe3b4387d2e4ec3bb8dbd26faf2d9654b60322a8"`
[INFO] [stdout] 9e426b3c126aff9aaafab155fe3b4387d2e4ec3bb8dbd26faf2d9654b60322a8