[INFO] crate pbuf 0.3.31 is already in cache
[INFO] extracting crate pbuf 0.3.31 into work/ex/beta-1.38-1/sources/1.37.0/reg/pbuf/0.3.31
[INFO] extracting crate pbuf 0.3.31 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pbuf/0.3.31
[INFO] validating manifest of pbuf-0.3.31 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 pbuf-0.3.31 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 pbuf-0.3.31
[INFO] finished frobbing pbuf-0.3.31
[INFO] frobbed toml for pbuf-0.3.31 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pbuf/0.3.31/Cargo.toml
[INFO] started frobbing pbuf-0.3.31
[INFO] finished frobbing pbuf-0.3.31
[INFO] frobbed toml for pbuf-0.3.31 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pbuf/0.3.31/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pbuf-0.3.31 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pbuf/0.3.31:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f02f3247a5b10689c381123af322807808734dac804a2f9f5eaae2818bd5addf
[INFO] running `"docker" "start" "-a" "f02f3247a5b10689c381123af322807808734dac804a2f9f5eaae2818bd5addf"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling protobuf v1.7.5
[INFO] [stderr]    Compiling pbuf v0.3.31 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.70s
[INFO] running `"docker" "inspect" "f02f3247a5b10689c381123af322807808734dac804a2f9f5eaae2818bd5addf"`
[INFO] running `"docker" "rm" "-f" "f02f3247a5b10689c381123af322807808734dac804a2f9f5eaae2818bd5addf"`
[INFO] [stdout] f02f3247a5b10689c381123af322807808734dac804a2f9f5eaae2818bd5addf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pbuf/0.3.31:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 69c5dbc83ab0da3268790555c2a9153cf49fdffa4ee9f12f221dfa2c4d622a21
[INFO] running `"docker" "start" "-a" "69c5dbc83ab0da3268790555c2a9153cf49fdffa4ee9f12f221dfa2c4d622a21"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling pbuf v0.3.31 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "69c5dbc83ab0da3268790555c2a9153cf49fdffa4ee9f12f221dfa2c4d622a21"`
[INFO] running `"docker" "rm" "-f" "69c5dbc83ab0da3268790555c2a9153cf49fdffa4ee9f12f221dfa2c4d622a21"`
[INFO] [stdout] 69c5dbc83ab0da3268790555c2a9153cf49fdffa4ee9f12f221dfa2c4d622a21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pbuf/0.3.31:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f26e652e964f15a58c56d4516cef91e011d671ae797cbea134ccdd29550b465b
[INFO] running `"docker" "start" "-a" "f26e652e964f15a58c56d4516cef91e011d671ae797cbea134ccdd29550b465b"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pbuf-0036c301c4972d31
[INFO] [stderr]    Doc-tests pbuf
[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 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" "f26e652e964f15a58c56d4516cef91e011d671ae797cbea134ccdd29550b465b"`
[INFO] running `"docker" "rm" "-f" "f26e652e964f15a58c56d4516cef91e011d671ae797cbea134ccdd29550b465b"`
[INFO] [stdout] f26e652e964f15a58c56d4516cef91e011d671ae797cbea134ccdd29550b465b