[INFO] updating cached repository longshorej/multicaster
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/longshorej/multicaster
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/longshorej/multicaster" "work/ex/beta-1.37-6/sources/1.36.0/gh/longshorej/multicaster"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/longshorej/multicaster'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/longshorej/multicaster" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/longshorej/multicaster"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/longshorej/multicaster'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e51b6801f260c6ef8d2b211c1ee37da0e48ba7d1
[INFO] sha for GitHub repo longshorej/multicaster: e51b6801f260c6ef8d2b211c1ee37da0e48ba7d1
[INFO] validating manifest of longshorej/multicaster on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of longshorej/multicaster on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing longshorej/multicaster
[INFO] finished frobbing longshorej/multicaster
[INFO] frobbed toml for longshorej/multicaster written to work/ex/beta-1.37-6/sources/1.36.0/gh/longshorej/multicaster/Cargo.toml
[INFO] started frobbing longshorej/multicaster
[INFO] finished frobbing longshorej/multicaster
[INFO] frobbed toml for longshorej/multicaster written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/longshorej/multicaster/Cargo.toml
[INFO] crate longshorej/multicaster already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing longshorej/multicaster against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/longshorej/multicaster:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2fe94b9050759401cde59255687a1c564105bf94945a988946d4c8328f0e01b1
[INFO] running `"docker" "start" "-a" "2fe94b9050759401cde59255687a1c564105bf94945a988946d4c8328f0e01b1"`
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.6
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling multicaster v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/main.rs:92:32
[INFO] [stderr]    |
[INFO] [stderr] 92 |             if let Some((size, peer)) = self.data {
[INFO] [stderr]    |                                ^^^^ help: consider prefixing with an underscore: `_peer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.95s
[INFO] running `"docker" "inspect" "2fe94b9050759401cde59255687a1c564105bf94945a988946d4c8328f0e01b1"`
[INFO] running `"docker" "rm" "-f" "2fe94b9050759401cde59255687a1c564105bf94945a988946d4c8328f0e01b1"`
[INFO] [stdout] 2fe94b9050759401cde59255687a1c564105bf94945a988946d4c8328f0e01b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/longshorej/multicaster:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91acfd6bedb5d1a07f4d92428f2dd06324c68671282132f4679f73a941f2b0ed
[INFO] running `"docker" "start" "-a" "91acfd6bedb5d1a07f4d92428f2dd06324c68671282132f4679f73a941f2b0ed"`
[INFO] [stderr]    Compiling multicaster v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/main.rs:92:32
[INFO] [stderr]    |
[INFO] [stderr] 92 |             if let Some((size, peer)) = self.data {
[INFO] [stderr]    |                                ^^^^ help: consider prefixing with an underscore: `_peer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "91acfd6bedb5d1a07f4d92428f2dd06324c68671282132f4679f73a941f2b0ed"`
[INFO] running `"docker" "rm" "-f" "91acfd6bedb5d1a07f4d92428f2dd06324c68671282132f4679f73a941f2b0ed"`
[INFO] [stdout] 91acfd6bedb5d1a07f4d92428f2dd06324c68671282132f4679f73a941f2b0ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/longshorej/multicaster:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 321ff7d8d07f65e643289fc211f5497381e168724bd982c8f9757dae1673033f
[INFO] running `"docker" "start" "-a" "321ff7d8d07f65e643289fc211f5497381e168724bd982c8f9757dae1673033f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/multicaster-db5e666ce32b90b0
[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" "321ff7d8d07f65e643289fc211f5497381e168724bd982c8f9757dae1673033f"`
[INFO] running `"docker" "rm" "-f" "321ff7d8d07f65e643289fc211f5497381e168724bd982c8f9757dae1673033f"`
[INFO] [stdout] 321ff7d8d07f65e643289fc211f5497381e168724bd982c8f9757dae1673033f