[INFO] crate webrtc 0.0.0 is already in cache
[INFO] extracting crate webrtc 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/webrtc/0.0.0
[INFO] extracting crate webrtc 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webrtc/0.0.0
[INFO] validating manifest of webrtc-0.0.0 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 webrtc-0.0.0 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 webrtc-0.0.0
[INFO] finished frobbing webrtc-0.0.0
[INFO] frobbed toml for webrtc-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/webrtc/0.0.0/Cargo.toml
[INFO] started frobbing webrtc-0.0.0
[INFO] finished frobbing webrtc-0.0.0
[INFO] frobbed toml for webrtc-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/webrtc/0.0.0/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 webrtc-0.0.0 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-7/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/webrtc/0.0.0:/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] 207b46b762013a3de3496f47bcd89bf982ffaadcdd779634e15e5fffe260d3c4
[INFO] running `"docker" "start" "-a" "207b46b762013a3de3496f47bcd89bf982ffaadcdd779634e15e5fffe260d3c4"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling webrtc-media v0.0.0
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling webrtc-sctp v0.0.0
[INFO] [stderr]    Compiling webrtc-data v0.0.0
[INFO] [stderr]    Compiling webrtc v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `"docker" "inspect" "207b46b762013a3de3496f47bcd89bf982ffaadcdd779634e15e5fffe260d3c4"`
[INFO] running `"docker" "rm" "-f" "207b46b762013a3de3496f47bcd89bf982ffaadcdd779634e15e5fffe260d3c4"`
[INFO] [stdout] 207b46b762013a3de3496f47bcd89bf982ffaadcdd779634e15e5fffe260d3c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/webrtc/0.0.0:/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] 6d588a179ec2958e81035c0379cc9781a1fea99e7d774d00f8290728a990d1d2
[INFO] running `"docker" "start" "-a" "6d588a179ec2958e81035c0379cc9781a1fea99e7d774d00f8290728a990d1d2"`
[INFO] [stderr]    Compiling webrtc v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "6d588a179ec2958e81035c0379cc9781a1fea99e7d774d00f8290728a990d1d2"`
[INFO] running `"docker" "rm" "-f" "6d588a179ec2958e81035c0379cc9781a1fea99e7d774d00f8290728a990d1d2"`
[INFO] [stdout] 6d588a179ec2958e81035c0379cc9781a1fea99e7d774d00f8290728a990d1d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/webrtc/0.0.0:/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] 70c4fa9fe21cded8b9b4d8e420f97798ecf272d9289c4e4a039d412fd7bc4314
[INFO] running `"docker" "start" "-a" "70c4fa9fe21cded8b9b4d8e420f97798ecf272d9289c4e4a039d412fd7bc4314"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/webrtc-f735e41335a4e794
[INFO] [stderr]    Doc-tests webrtc
[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" "70c4fa9fe21cded8b9b4d8e420f97798ecf272d9289c4e4a039d412fd7bc4314"`
[INFO] running `"docker" "rm" "-f" "70c4fa9fe21cded8b9b4d8e420f97798ecf272d9289c4e4a039d412fd7bc4314"`
[INFO] [stdout] 70c4fa9fe21cded8b9b4d8e420f97798ecf272d9289c4e4a039d412fd7bc4314