[INFO] updating cached repository steveklabnik/adventure
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/steveklabnik/adventure
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/adventure" "work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/adventure"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/adventure'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/adventure" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/adventure"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/adventure'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a318dd0e951a1c28dbf9198dbef286dbc04036a2
[INFO] sha for GitHub repo steveklabnik/adventure: a318dd0e951a1c28dbf9198dbef286dbc04036a2
[INFO] validating manifest of steveklabnik/adventure 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 steveklabnik/adventure 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 steveklabnik/adventure
[INFO] finished frobbing steveklabnik/adventure
[INFO] frobbed toml for steveklabnik/adventure written to work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/adventure/Cargo.toml
[INFO] started frobbing steveklabnik/adventure
[INFO] finished frobbing steveklabnik/adventure
[INFO] frobbed toml for steveklabnik/adventure written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/adventure/Cargo.toml
[INFO] crate steveklabnik/adventure 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 steveklabnik/adventure 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/adventure:/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] 28cb3f5575629c2698984c02c5482bc6444da119e8d0210f57ecf207421952f0
[INFO] running `"docker" "start" "-a" "28cb3f5575629c2698984c02c5482bc6444da119e8d0210f57ecf207421952f0"`
[INFO] [stderr]    Compiling adventure v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `direction`
[INFO] [stderr]   --> src/main.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn is_locked(&self, direction: Direction) -> bool {
[INFO] [stderr]    |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `items`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     items: Vec<Item>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "28cb3f5575629c2698984c02c5482bc6444da119e8d0210f57ecf207421952f0"`
[INFO] running `"docker" "rm" "-f" "28cb3f5575629c2698984c02c5482bc6444da119e8d0210f57ecf207421952f0"`
[INFO] [stdout] 28cb3f5575629c2698984c02c5482bc6444da119e8d0210f57ecf207421952f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/adventure:/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] 5a9070767c6fafc266a74e55b9994dba1777b1cc2e23804c6b1fbc6aa570c7d3
[INFO] running `"docker" "start" "-a" "5a9070767c6fafc266a74e55b9994dba1777b1cc2e23804c6b1fbc6aa570c7d3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling adventure v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `direction`
[INFO] [stderr]   --> src/main.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn is_locked(&self, direction: Direction) -> bool {
[INFO] [stderr]    |                         ^^^^^^^^^ help: consider prefixing with an underscore: `_direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `items`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     items: Vec<Item>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "5a9070767c6fafc266a74e55b9994dba1777b1cc2e23804c6b1fbc6aa570c7d3"`
[INFO] running `"docker" "rm" "-f" "5a9070767c6fafc266a74e55b9994dba1777b1cc2e23804c6b1fbc6aa570c7d3"`
[INFO] [stdout] 5a9070767c6fafc266a74e55b9994dba1777b1cc2e23804c6b1fbc6aa570c7d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/adventure:/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] 1b9f4ae2efd089c03a1b75bc1e794e4285f761b394de7524081d6ba8a307c40d
[INFO] running `"docker" "start" "-a" "1b9f4ae2efd089c03a1b75bc1e794e4285f761b394de7524081d6ba8a307c40d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adventure-5328b2763d3c1e5f
[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" "1b9f4ae2efd089c03a1b75bc1e794e4285f761b394de7524081d6ba8a307c40d"`
[INFO] running `"docker" "rm" "-f" "1b9f4ae2efd089c03a1b75bc1e794e4285f761b394de7524081d6ba8a307c40d"`
[INFO] [stdout] 1b9f4ae2efd089c03a1b75bc1e794e4285f761b394de7524081d6ba8a307c40d