[INFO] updating cached repository jenstrange/tinychain-explorer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jenstrange/tinychain-explorer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jenstrange/tinychain-explorer" "work/ex/beta-1.38-1/sources/1.37.0/gh/jenstrange/tinychain-explorer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jenstrange/tinychain-explorer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jenstrange/tinychain-explorer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jenstrange/tinychain-explorer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jenstrange/tinychain-explorer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07bba5b4d88e86dad5fb5c3894cf795a70ba3452
[INFO] sha for GitHub repo jenstrange/tinychain-explorer: 07bba5b4d88e86dad5fb5c3894cf795a70ba3452
[INFO] validating manifest of jenstrange/tinychain-explorer 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 jenstrange/tinychain-explorer 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 jenstrange/tinychain-explorer
[INFO] finished frobbing jenstrange/tinychain-explorer
[INFO] frobbed toml for jenstrange/tinychain-explorer written to work/ex/beta-1.38-1/sources/1.37.0/gh/jenstrange/tinychain-explorer/Cargo.toml
[INFO] started frobbing jenstrange/tinychain-explorer
[INFO] finished frobbing jenstrange/tinychain-explorer
[INFO] frobbed toml for jenstrange/tinychain-explorer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jenstrange/tinychain-explorer/Cargo.toml
[INFO] crate jenstrange/tinychain-explorer 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jenstrange/tinychain-explorer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jenstrange/tinychain-explorer:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a96d1c31f7a276918a5cf3c5782acbc0ec7b0c0a5670ad8db0c921dfab70eb48
[INFO] running `"docker" "start" "-a" "a96d1c31f7a276918a5cf3c5782acbc0ec7b0c0a5670ad8db0c921dfab70eb48"`
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling hyper v0.10.12
[INFO] [stderr]    Compiling handlebars v0.26.2
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling handlebars-iron v0.24.1
[INFO] [stderr]    Compiling tinychain-explorer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `send_msg`
[INFO] [stderr]   --> src/bin/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn send_msg(msg: String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `"docker" "inspect" "a96d1c31f7a276918a5cf3c5782acbc0ec7b0c0a5670ad8db0c921dfab70eb48"`
[INFO] running `"docker" "rm" "-f" "a96d1c31f7a276918a5cf3c5782acbc0ec7b0c0a5670ad8db0c921dfab70eb48"`
[INFO] [stdout] a96d1c31f7a276918a5cf3c5782acbc0ec7b0c0a5670ad8db0c921dfab70eb48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jenstrange/tinychain-explorer:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 88d1f755b277e548427698f55318893426cbcd18f8ef608bc912f55c8247d867
[INFO] running `"docker" "start" "-a" "88d1f755b277e548427698f55318893426cbcd18f8ef608bc912f55c8247d867"`
[INFO] [stderr]    Compiling tinychain-explorer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `send_msg`
[INFO] [stderr]   --> src/bin/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn send_msg(msg: String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "88d1f755b277e548427698f55318893426cbcd18f8ef608bc912f55c8247d867"`
[INFO] running `"docker" "rm" "-f" "88d1f755b277e548427698f55318893426cbcd18f8ef608bc912f55c8247d867"`
[INFO] [stdout] 88d1f755b277e548427698f55318893426cbcd18f8ef608bc912f55c8247d867
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jenstrange/tinychain-explorer:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7764b65f3d773e292e67b62de90dd219e971f7f4d7878246a01cb219f72f73c6
[INFO] running `"docker" "start" "-a" "7764b65f3d773e292e67b62de90dd219e971f7f4d7878246a01cb219f72f73c6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-7db5220717105b15
[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" "7764b65f3d773e292e67b62de90dd219e971f7f4d7878246a01cb219f72f73c6"`
[INFO] running `"docker" "rm" "-f" "7764b65f3d773e292e67b62de90dd219e971f7f4d7878246a01cb219f72f73c6"`
[INFO] [stdout] 7764b65f3d773e292e67b62de90dd219e971f7f4d7878246a01cb219f72f73c6