[INFO] updating cached repository moxaj/friendly-octopus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/moxaj/friendly-octopus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/moxaj/friendly-octopus" "work/ex/beta-1.38-1/sources/1.37.0/gh/moxaj/friendly-octopus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/moxaj/friendly-octopus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/moxaj/friendly-octopus" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/moxaj/friendly-octopus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/moxaj/friendly-octopus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2de7b1eed5ad7501b2618da6dc53104782c2e514
[INFO] sha for GitHub repo moxaj/friendly-octopus: 2de7b1eed5ad7501b2618da6dc53104782c2e514
[INFO] validating manifest of moxaj/friendly-octopus 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 moxaj/friendly-octopus 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 moxaj/friendly-octopus
[INFO] finished frobbing moxaj/friendly-octopus
[INFO] frobbed toml for moxaj/friendly-octopus written to work/ex/beta-1.38-1/sources/1.37.0/gh/moxaj/friendly-octopus/Cargo.toml
[INFO] started frobbing moxaj/friendly-octopus
[INFO] finished frobbing moxaj/friendly-octopus
[INFO] frobbed toml for moxaj/friendly-octopus written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/moxaj/friendly-octopus/Cargo.toml
[INFO] crate moxaj/friendly-octopus 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 moxaj/friendly-octopus 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-6/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/moxaj/friendly-octopus:/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] f63aa40815ca5be7dda24a33a746710a61f967ff4642553f2adb467df55922bf
[INFO] running `"docker" "start" "-a" "f63aa40815ca5be7dda24a33a746710a61f967ff4642553f2adb467df55922bf"`
[INFO] [stderr]    Compiling friendly-octopus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/playground.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..1000 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `definition`
[INFO] [stderr]   --> src/server/generator.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn generate(&self, definition: WorldDefinition) -> World {
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider prefixing with an underscore: `_definition`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DefaultWorldGenerator`
[INFO] [stderr]   --> src/server/generator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct DefaultWorldGenerator {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Instance`
[INFO] [stderr]  --> src/server/instance.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Instance {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]  --> src/server/client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Client {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "f63aa40815ca5be7dda24a33a746710a61f967ff4642553f2adb467df55922bf"`
[INFO] running `"docker" "rm" "-f" "f63aa40815ca5be7dda24a33a746710a61f967ff4642553f2adb467df55922bf"`
[INFO] [stdout] f63aa40815ca5be7dda24a33a746710a61f967ff4642553f2adb467df55922bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/moxaj/friendly-octopus:/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] 0f4ec4f300d8909d2717b29e9c08b2f3f6ae39fe96185f4937102976c3f3e3e8
[INFO] running `"docker" "start" "-a" "0f4ec4f300d8909d2717b29e9c08b2f3f6ae39fe96185f4937102976c3f3e3e8"`
[INFO] [stderr]    Compiling friendly-octopus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/playground.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for i in 0..1000 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `definition`
[INFO] [stderr]   --> src/server/generator.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn generate(&self, definition: WorldDefinition) -> World {
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider prefixing with an underscore: `_definition`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DefaultWorldGenerator`
[INFO] [stderr]   --> src/server/generator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct DefaultWorldGenerator {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Instance`
[INFO] [stderr]  --> src/server/instance.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Instance {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]  --> src/server/client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Client {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "0f4ec4f300d8909d2717b29e9c08b2f3f6ae39fe96185f4937102976c3f3e3e8"`
[INFO] running `"docker" "rm" "-f" "0f4ec4f300d8909d2717b29e9c08b2f3f6ae39fe96185f4937102976c3f3e3e8"`
[INFO] [stdout] 0f4ec4f300d8909d2717b29e9c08b2f3f6ae39fe96185f4937102976c3f3e3e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/moxaj/friendly-octopus:/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] 0f4199c9120dff1b1e411443ac63996b26f7763cadc913bbb219bd9ed75b57e2
[INFO] running `"docker" "start" "-a" "0f4199c9120dff1b1e411443ac63996b26f7763cadc913bbb219bd9ed75b57e2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/friendly_octopus-4a676b81b59cb9c9
[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" "0f4199c9120dff1b1e411443ac63996b26f7763cadc913bbb219bd9ed75b57e2"`
[INFO] running `"docker" "rm" "-f" "0f4199c9120dff1b1e411443ac63996b26f7763cadc913bbb219bd9ed75b57e2"`
[INFO] [stdout] 0f4199c9120dff1b1e411443ac63996b26f7763cadc913bbb219bd9ed75b57e2