[INFO] updating cached repository panther-king/rust-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/panther-king/rust-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/panther-king/rust-echo-server" "work/ex/beta-1.37-6/sources/1.36.0/gh/panther-king/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/panther-king/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/panther-king/rust-echo-server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panther-king/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panther-king/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 402ef244d18519b2e5bbc8888df4db11b91e39fd
[INFO] sha for GitHub repo panther-king/rust-echo-server: 402ef244d18519b2e5bbc8888df4db11b91e39fd
[INFO] validating manifest of panther-king/rust-echo-server 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 panther-king/rust-echo-server 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 panther-king/rust-echo-server
[INFO] finished frobbing panther-king/rust-echo-server
[INFO] frobbed toml for panther-king/rust-echo-server written to work/ex/beta-1.37-6/sources/1.36.0/gh/panther-king/rust-echo-server/Cargo.toml
[INFO] started frobbing panther-king/rust-echo-server
[INFO] finished frobbing panther-king/rust-echo-server
[INFO] frobbed toml for panther-king/rust-echo-server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panther-king/rust-echo-server/Cargo.toml
[INFO] crate panther-king/rust-echo-server 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/panther-king/rust-echo-server/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 panther-king/rust-echo-server 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-2/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/panther-king/rust-echo-server:/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] c01bcdee67a94a966c911f0b05aea4fdab6b11d02ec10c9c270fe210b7dda161
[INFO] running `"docker" "start" "-a" "c01bcdee67a94a966c911f0b05aea4fdab6b11d02ec10c9c270fe210b7dda161"`
[INFO] [stderr]    Compiling rust-echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "c01bcdee67a94a966c911f0b05aea4fdab6b11d02ec10c9c270fe210b7dda161"`
[INFO] running `"docker" "rm" "-f" "c01bcdee67a94a966c911f0b05aea4fdab6b11d02ec10c9c270fe210b7dda161"`
[INFO] [stdout] c01bcdee67a94a966c911f0b05aea4fdab6b11d02ec10c9c270fe210b7dda161
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/panther-king/rust-echo-server:/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] 450d5d3c689807bd30d89393f95f03126cf68adda9103c289aaeb1d6c2146d90
[INFO] running `"docker" "start" "-a" "450d5d3c689807bd30d89393f95f03126cf68adda9103c289aaeb1d6c2146d90"`
[INFO] [stderr]    Compiling rust-echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "450d5d3c689807bd30d89393f95f03126cf68adda9103c289aaeb1d6c2146d90"`
[INFO] running `"docker" "rm" "-f" "450d5d3c689807bd30d89393f95f03126cf68adda9103c289aaeb1d6c2146d90"`
[INFO] [stdout] 450d5d3c689807bd30d89393f95f03126cf68adda9103c289aaeb1d6c2146d90
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/panther-king/rust-echo-server:/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] 8d3e3dae06a24af24bedaff633c54ed5e5c96e0496604f4be28f79800f7dfef0
[INFO] running `"docker" "start" "-a" "8d3e3dae06a24af24bedaff633c54ed5e5c96e0496604f4be28f79800f7dfef0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_echo_server-94631fd61c07d697
[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" "8d3e3dae06a24af24bedaff633c54ed5e5c96e0496604f4be28f79800f7dfef0"`
[INFO] running `"docker" "rm" "-f" "8d3e3dae06a24af24bedaff633c54ed5e5c96e0496604f4be28f79800f7dfef0"`
[INFO] [stdout] 8d3e3dae06a24af24bedaff633c54ed5e5c96e0496604f4be28f79800f7dfef0