[INFO] crate r2ch 0.1.2 is already in cache
[INFO] testing r2ch-0.1.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate r2ch 0.1.2 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate r2ch 0.1.2 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 r2ch 0.1.2
[INFO] finished tweaking crates.io crate r2ch 0.1.2
[INFO] tweaked toml for crates.io crate r2ch 0.1.2 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 6e7d1b2762335f5e0a5f0a1987ad78611c1098a9dfa41cbe9cdd7a03457b0442
[INFO] running `"docker" "start" "-a" "6e7d1b2762335f5e0a5f0a1987ad78611c1098a9dfa41cbe9cdd7a03457b0442"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling r2ch v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `"docker" "inspect" "6e7d1b2762335f5e0a5f0a1987ad78611c1098a9dfa41cbe9cdd7a03457b0442"`
[INFO] running `"docker" "rm" "-f" "6e7d1b2762335f5e0a5f0a1987ad78611c1098a9dfa41cbe9cdd7a03457b0442"`
[INFO] [stdout] 6e7d1b2762335f5e0a5f0a1987ad78611c1098a9dfa41cbe9cdd7a03457b0442
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 123a6a8546215b8f10ed76dbfb9b39f4eb97fd0c55713954ec7770a21c8ea60e
[INFO] running `"docker" "start" "-a" "123a6a8546215b8f10ed76dbfb9b39f4eb97fd0c55713954ec7770a21c8ea60e"`
[INFO] [stderr]    Compiling r2ch v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `r2ch`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name res examples/res.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=90d2a983a4938051 -C extra-filename=-90d2a983a4938051 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern r2ch=/opt/rustwide/target/debug/deps/libr2ch-a690d21010f0303e.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-5727a5022ca98534.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-29f99890b391278a.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `r2ch`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name json examples/json.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=b2ddf183e47733b3 -C extra-filename=-b2ddf183e47733b3 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern r2ch=/opt/rustwide/target/debug/deps/libr2ch-a690d21010f0303e.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-5727a5022ca98534.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-29f99890b391278a.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `r2ch`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name thread_list examples/thread_list.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=4e2c7f61dabed69d -C extra-filename=-4e2c7f61dabed69d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern r2ch=/opt/rustwide/target/debug/deps/libr2ch-a690d21010f0303e.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-5727a5022ca98534.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-29f99890b391278a.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `r2ch`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name boards_all examples/boards_all.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=61b46d67167cba30 -C extra-filename=-61b46d67167cba30 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern r2ch=/opt/rustwide/target/debug/deps/libr2ch-a690d21010f0303e.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-5727a5022ca98534.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-29f99890b391278a.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-f66bd34361c58f86/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "123a6a8546215b8f10ed76dbfb9b39f4eb97fd0c55713954ec7770a21c8ea60e"`
[INFO] running `"docker" "rm" "-f" "123a6a8546215b8f10ed76dbfb9b39f4eb97fd0c55713954ec7770a21c8ea60e"`
[INFO] [stdout] 123a6a8546215b8f10ed76dbfb9b39f4eb97fd0c55713954ec7770a21c8ea60e