[INFO] fetching crate serde 1.0.97...
[INFO] extracting crate serde 1.0.97 into work/ex/beta-1.37-6/sources/1.36.0/reg/serde/1.0.97
[INFO] extracting crate serde 1.0.97 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde/1.0.97
[INFO] validating manifest of serde-1.0.97 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde-1.0.97 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde-1.0.97
[INFO] finished frobbing serde-1.0.97
[INFO] frobbed toml for serde-1.0.97 written to work/ex/beta-1.37-6/sources/1.36.0/reg/serde/1.0.97/Cargo.toml
[INFO] started frobbing serde-1.0.97
[INFO] finished frobbing serde-1.0.97
[INFO] frobbed toml for serde-1.0.97 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde/1.0.97/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing serde-1.0.97 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde/1.0.97:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c6bcb6712765809acd058cd28706afcd224ac9591e08bfaecd9acabbaf96913a
[INFO] running `"docker" "start" "-a" "c6bcb6712765809acd058cd28706afcd224ac9591e08bfaecd9acabbaf96913a"`
[INFO] [stderr]    Compiling serde v1.0.97 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `"docker" "inspect" "c6bcb6712765809acd058cd28706afcd224ac9591e08bfaecd9acabbaf96913a"`
[INFO] running `"docker" "rm" "-f" "c6bcb6712765809acd058cd28706afcd224ac9591e08bfaecd9acabbaf96913a"`
[INFO] [stdout] c6bcb6712765809acd058cd28706afcd224ac9591e08bfaecd9acabbaf96913a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde/1.0.97:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f7a22deb2996b4be2113cd73f92ca7ffb72f1502e9631c8da570c4c54e527dc3
[INFO] running `"docker" "start" "-a" "f7a22deb2996b4be2113cd73f92ca7ffb72f1502e9631c8da570c4c54e527dc3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.97 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `"docker" "inspect" "f7a22deb2996b4be2113cd73f92ca7ffb72f1502e9631c8da570c4c54e527dc3"`
[INFO] running `"docker" "rm" "-f" "f7a22deb2996b4be2113cd73f92ca7ffb72f1502e9631c8da570c4c54e527dc3"`
[INFO] [stdout] f7a22deb2996b4be2113cd73f92ca7ffb72f1502e9631c8da570c4c54e527dc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde/1.0.97:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 14760a429bfc7f786861d2e84b295854fb5cecbd1d4f0daa540c669520268790
[INFO] running `"docker" "start" "-a" "14760a429bfc7f786861d2e84b295854fb5cecbd1d4f0daa540c669520268790"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde-81f309fe17bbdaae
[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 serde
[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] running `"docker" "inspect" "14760a429bfc7f786861d2e84b295854fb5cecbd1d4f0daa540c669520268790"`
[INFO] running `"docker" "rm" "-f" "14760a429bfc7f786861d2e84b295854fb5cecbd1d4f0daa540c669520268790"`
[INFO] [stdout] 14760a429bfc7f786861d2e84b295854fb5cecbd1d4f0daa540c669520268790