[INFO] crate serde_roundtrip 0.1.0 is already in cache
[INFO] extracting crate serde_roundtrip 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/serde_roundtrip/0.1.0
[INFO] extracting crate serde_roundtrip 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde_roundtrip/0.1.0
[INFO] validating manifest of serde_roundtrip-0.1.0 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_roundtrip-0.1.0 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_roundtrip-0.1.0
[INFO] removed path dependency serde_roundtrip_derive from serde_roundtrip-0.1.0
[INFO] finished frobbing serde_roundtrip-0.1.0
[INFO] frobbed toml for serde_roundtrip-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/serde_roundtrip/0.1.0/Cargo.toml
[INFO] started frobbing serde_roundtrip-0.1.0
[INFO] removed path dependency serde_roundtrip_derive from serde_roundtrip-0.1.0
[INFO] finished frobbing serde_roundtrip-0.1.0
[INFO] frobbed toml for serde_roundtrip-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/serde_roundtrip/0.1.0/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_roundtrip-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/serde_roundtrip/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 87996c080dbff9e0f9fbb4aa5ccc50a03f0c5b43d614172ce06ae208c4407160
[INFO] running `"docker" "start" "-a" "87996c080dbff9e0f9fbb4aa5ccc50a03f0c5b43d614172ce06ae208c4407160"`
[INFO] [stderr]    Compiling serde_roundtrip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "87996c080dbff9e0f9fbb4aa5ccc50a03f0c5b43d614172ce06ae208c4407160"`
[INFO] running `"docker" "rm" "-f" "87996c080dbff9e0f9fbb4aa5ccc50a03f0c5b43d614172ce06ae208c4407160"`
[INFO] [stdout] 87996c080dbff9e0f9fbb4aa5ccc50a03f0c5b43d614172ce06ae208c4407160
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/serde_roundtrip/0.1.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46e7dda87f9756c6f645e0163bc87601c4110cf01b5f3a58e61bf97d1e26b227
[INFO] running `"docker" "start" "-a" "46e7dda87f9756c6f645e0163bc87601c4110cf01b5f3a58e61bf97d1e26b227"`
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_roundtrip_derive v0.1.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling serde_roundtrip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.15s
[INFO] running `"docker" "inspect" "46e7dda87f9756c6f645e0163bc87601c4110cf01b5f3a58e61bf97d1e26b227"`
[INFO] running `"docker" "rm" "-f" "46e7dda87f9756c6f645e0163bc87601c4110cf01b5f3a58e61bf97d1e26b227"`
[INFO] [stdout] 46e7dda87f9756c6f645e0163bc87601c4110cf01b5f3a58e61bf97d1e26b227
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/serde_roundtrip/0.1.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] aea317507566e85e0256bb84a71841af9ff146d1596a532bbdaa9f33fa02d2b4
[INFO] running `"docker" "start" "-a" "aea317507566e85e0256bb84a71841af9ff146d1596a532bbdaa9f33fa02d2b4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_roundtrip-063b261b0e1e701a
[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]      Running /opt/crater/target/debug/deps/lib-3e40fb3979b0d536
[INFO] [stderr]    Doc-tests serde_roundtrip
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_round_trip ... ok
[INFO] [stdout] test test_round_trip_derive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "aea317507566e85e0256bb84a71841af9ff146d1596a532bbdaa9f33fa02d2b4"`
[INFO] running `"docker" "rm" "-f" "aea317507566e85e0256bb84a71841af9ff146d1596a532bbdaa9f33fa02d2b4"`
[INFO] [stdout] aea317507566e85e0256bb84a71841af9ff146d1596a532bbdaa9f33fa02d2b4