[INFO] crate protobuf-codegen 2.8.1 is already in cache
[INFO] testing protobuf-codegen-2.8.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate protobuf-codegen 2.8.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate protobuf-codegen 2.8.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate protobuf-codegen 2.8.1
[INFO] finished tweaking crates.io crate protobuf-codegen 2.8.1
[INFO] tweaked toml for crates.io crate protobuf-codegen 2.8.1 written to work/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate protobuf-codegen 2.8.1 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7b3036a380842c17c41bbe6f38c40948f35920ae069b59222cd9fd304fb75864
[INFO] running `"docker" "start" "-a" "7b3036a380842c17c41bbe6f38c40948f35920ae069b59222cd9fd304fb75864"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/message.rs:301:77
[INFO] [stderr]     |
[INFO] [stderr] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stderr]     |                                                                       ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `"docker" "inspect" "7b3036a380842c17c41bbe6f38c40948f35920ae069b59222cd9fd304fb75864"`
[INFO] running `"docker" "rm" "-f" "7b3036a380842c17c41bbe6f38c40948f35920ae069b59222cd9fd304fb75864"`
[INFO] [stdout] 7b3036a380842c17c41bbe6f38c40948f35920ae069b59222cd9fd304fb75864
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 943e127dd71df88bcbbd80bb5dab3a77f3c0cf8a7930e7523d0c6d6eacd0383c
[INFO] running `"docker" "start" "-a" "943e127dd71df88bcbbd80bb5dab3a77f3c0cf8a7930e7523d0c6d6eacd0383c"`
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/message.rs:301:77
[INFO] [stderr]     |
[INFO] [stderr] 301 | ...                   self.write_descriptor_field("fields", field, w);;
[INFO] [stderr]     |                                                                       ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "943e127dd71df88bcbbd80bb5dab3a77f3c0cf8a7930e7523d0c6d6eacd0383c"`
[INFO] running `"docker" "rm" "-f" "943e127dd71df88bcbbd80bb5dab3a77f3c0cf8a7930e7523d0c6d6eacd0383c"`
[INFO] [stdout] 943e127dd71df88bcbbd80bb5dab3a77f3c0cf8a7930e7523d0c6d6eacd0383c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] fb743dcba16294cc7e9e0e9b17957e6568495869518e6c4488f1bf0566d868e7
[INFO] running `"docker" "start" "-a" "fb743dcba16294cc7e9e0e9b17957e6568495869518e6c4488f1bf0566d868e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/protobuf_codegen-e57170a4181bf5fe
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test float::test::test_format_protobuf_float ... ok
[INFO] [stdout] test well_known_types::test::test_is_well_known_type_full ... ok
[INFO] [stdout] test rust_types_values::test_file_last_component ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests protobuf-codegen
[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" "fb743dcba16294cc7e9e0e9b17957e6568495869518e6c4488f1bf0566d868e7"`
[INFO] running `"docker" "rm" "-f" "fb743dcba16294cc7e9e0e9b17957e6568495869518e6c4488f1bf0566d868e7"`
[INFO] [stdout] fb743dcba16294cc7e9e0e9b17957e6568495869518e6c4488f1bf0566d868e7