[INFO] updating cached repository https://github.com/chrmod/rust-webextension-protocol
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 807a2216b19645a2a78c1c929b39054cb71adb68
[INFO] testing chrmod/rust-webextension-protocol against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrmod%2Frust-webextension-protocol" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrmod/rust-webextension-protocol 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 git repo https://github.com/chrmod/rust-webextension-protocol
[INFO] finished tweaking git repo https://github.com/chrmod/rust-webextension-protocol
[INFO] tweaked toml for git repo https://github.com/chrmod/rust-webextension-protocol written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chrmod/rust-webextension-protocol 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 4ee98bc7bff08682f9a870610a931dd601853e254bde47690770b5291e5343ec
[INFO] running `"docker" "start" "-a" "4ee98bc7bff08682f9a870610a931dd601853e254bde47690770b5291e5343ec"`
[INFO] [stderr]    Compiling webextension-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "4ee98bc7bff08682f9a870610a931dd601853e254bde47690770b5291e5343ec"`
[INFO] running `"docker" "rm" "-f" "4ee98bc7bff08682f9a870610a931dd601853e254bde47690770b5291e5343ec"`
[INFO] [stdout] 4ee98bc7bff08682f9a870610a931dd601853e254bde47690770b5291e5343ec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] cb9d131159339112fa692961ea4b443e7c34bc3de35cfe35204dca2bcc23dc5e
[INFO] running `"docker" "start" "-a" "cb9d131159339112fa692961ea4b443e7c34bc3de35cfe35204dca2bcc23dc5e"`
[INFO] [stderr]    Compiling webextension-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "cb9d131159339112fa692961ea4b443e7c34bc3de35cfe35204dca2bcc23dc5e"`
[INFO] running `"docker" "rm" "-f" "cb9d131159339112fa692961ea4b443e7c34bc3de35cfe35204dca2bcc23dc5e"`
[INFO] [stdout] cb9d131159339112fa692961ea4b443e7c34bc3de35cfe35204dca2bcc23dc5e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 7f2fcedb162dd4d36188cfdcf036381f70160a69ed40f844adbb3b0162bab840
[INFO] running `"docker" "start" "-a" "7f2fcedb162dd4d36188cfdcf036381f70160a69ed40f844adbb3b0162bab840"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/webextension_protocol-5d7d6aa528b9257c
[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/rustwide/target/debug/deps/simple_tests-74460a70ebbb6819
[INFO] [stderr] going to read 7 bytes
[INFO] [stderr] received: {"a":1}
[INFO] [stderr] going to read 7 bytes
[INFO] [stderr] received: {"a":1}
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test write_read_test ... ok
[INFO] [stdout] test read_fixture_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests webextension-protocol
[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" "7f2fcedb162dd4d36188cfdcf036381f70160a69ed40f844adbb3b0162bab840"`
[INFO] running `"docker" "rm" "-f" "7f2fcedb162dd4d36188cfdcf036381f70160a69ed40f844adbb3b0162bab840"`
[INFO] [stdout] 7f2fcedb162dd4d36188cfdcf036381f70160a69ed40f844adbb3b0162bab840