[INFO] updating cached repository comnik/timely-comms-bug
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/comnik/timely-comms-bug
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/comnik/timely-comms-bug" "work/ex/beta-1.38-1/sources/1.37.0/gh/comnik/timely-comms-bug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/comnik/timely-comms-bug'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/comnik/timely-comms-bug" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/comnik/timely-comms-bug"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/comnik/timely-comms-bug'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2728f5e193e9403402417664a9d92d0a9f36391
[INFO] sha for GitHub repo comnik/timely-comms-bug: c2728f5e193e9403402417664a9d92d0a9f36391
[INFO] validating manifest of comnik/timely-comms-bug 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 comnik/timely-comms-bug 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 comnik/timely-comms-bug
[INFO] finished frobbing comnik/timely-comms-bug
[INFO] frobbed toml for comnik/timely-comms-bug written to work/ex/beta-1.38-1/sources/1.37.0/gh/comnik/timely-comms-bug/Cargo.toml
[INFO] started frobbing comnik/timely-comms-bug
[INFO] finished frobbing comnik/timely-comms-bug
[INFO] frobbed toml for comnik/timely-comms-bug written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/comnik/timely-comms-bug/Cargo.toml
[INFO] crate comnik/timely-comms-bug already has a lockfile, it will not be regenerated
[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] testing comnik/timely-comms-bug 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/comnik/timely-comms-bug:/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] a64e09efce76e4592d32b7ef898650c004f927b53a02c7aace150cae883a52a0
[INFO] running `"docker" "start" "-a" "a64e09efce76e4592d32b7ef898650c004f927b53a02c7aace150cae883a52a0"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_logging v0.10.0
[INFO] [stderr]    Compiling timely_bytes v0.10.0
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling abomonation_derive v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling timely_communication v0.10.0
[INFO] [stderr]    Compiling timely v0.10.0
[INFO] [stderr]    Compiling timely-comms-bug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "a64e09efce76e4592d32b7ef898650c004f927b53a02c7aace150cae883a52a0"`
[INFO] running `"docker" "rm" "-f" "a64e09efce76e4592d32b7ef898650c004f927b53a02c7aace150cae883a52a0"`
[INFO] [stdout] a64e09efce76e4592d32b7ef898650c004f927b53a02c7aace150cae883a52a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/comnik/timely-comms-bug:/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] 2e03af740c861ecbe2583547b3db325e5aa1054f97f76e92b4afc7b5a7994396
[INFO] running `"docker" "start" "-a" "2e03af740c861ecbe2583547b3db325e5aa1054f97f76e92b4afc7b5a7994396"`
[INFO] [stderr]    Compiling timely-comms-bug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "2e03af740c861ecbe2583547b3db325e5aa1054f97f76e92b4afc7b5a7994396"`
[INFO] running `"docker" "rm" "-f" "2e03af740c861ecbe2583547b3db325e5aa1054f97f76e92b4afc7b5a7994396"`
[INFO] [stdout] 2e03af740c861ecbe2583547b3db325e5aa1054f97f76e92b4afc7b5a7994396
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/comnik/timely-comms-bug:/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] 17e7a9d662ed3d4d14a192e9b16a47eb01eb070dc3147058773c1c307363bfe3
[INFO] running `"docker" "start" "-a" "17e7a9d662ed3d4d14a192e9b16a47eb01eb070dc3147058773c1c307363bfe3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/timely_comms_bug-f504aaac25a403c8
[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" "17e7a9d662ed3d4d14a192e9b16a47eb01eb070dc3147058773c1c307363bfe3"`
[INFO] running `"docker" "rm" "-f" "17e7a9d662ed3d4d14a192e9b16a47eb01eb070dc3147058773c1c307363bfe3"`
[INFO] [stdout] 17e7a9d662ed3d4d14a192e9b16a47eb01eb070dc3147058773c1c307363bfe3