[INFO] updating cached repository Thenis/rust-rectangles
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Thenis/rust-rectangles
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Thenis/rust-rectangles" "work/ex/beta-1.38-1/sources/1.37.0/gh/Thenis/rust-rectangles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Thenis/rust-rectangles'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Thenis/rust-rectangles" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Thenis/rust-rectangles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Thenis/rust-rectangles'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8fb593e2d92b7f83a35d9d9cce9ac0e082ac68c2
[INFO] sha for GitHub repo Thenis/rust-rectangles: 8fb593e2d92b7f83a35d9d9cce9ac0e082ac68c2
[INFO] validating manifest of Thenis/rust-rectangles 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 Thenis/rust-rectangles 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 Thenis/rust-rectangles
[INFO] finished frobbing Thenis/rust-rectangles
[INFO] frobbed toml for Thenis/rust-rectangles written to work/ex/beta-1.38-1/sources/1.37.0/gh/Thenis/rust-rectangles/Cargo.toml
[INFO] started frobbing Thenis/rust-rectangles
[INFO] finished frobbing Thenis/rust-rectangles
[INFO] frobbed toml for Thenis/rust-rectangles written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Thenis/rust-rectangles/Cargo.toml
[INFO] crate Thenis/rust-rectangles 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 Thenis/rust-rectangles 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/Thenis/rust-rectangles:/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] 07f92ff5e897cce55ac8c0be79293be66d4faa9d05da1ddcec64f0d2402ed0cd
[INFO] running `"docker" "start" "-a" "07f92ff5e897cce55ac8c0be79293be66d4faa9d05da1ddcec64f0d2402ed0cd"`
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn area(&self) -> u32 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "07f92ff5e897cce55ac8c0be79293be66d4faa9d05da1ddcec64f0d2402ed0cd"`
[INFO] running `"docker" "rm" "-f" "07f92ff5e897cce55ac8c0be79293be66d4faa9d05da1ddcec64f0d2402ed0cd"`
[INFO] [stdout] 07f92ff5e897cce55ac8c0be79293be66d4faa9d05da1ddcec64f0d2402ed0cd
[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/Thenis/rust-rectangles:/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] 170fb49a857b68730ba38902f09775d732a43b638d2d242fd3e95ca587d21aae
[INFO] running `"docker" "start" "-a" "170fb49a857b68730ba38902f09775d732a43b638d2d242fd3e95ca587d21aae"`
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn area(&self) -> u32 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "170fb49a857b68730ba38902f09775d732a43b638d2d242fd3e95ca587d21aae"`
[INFO] running `"docker" "rm" "-f" "170fb49a857b68730ba38902f09775d732a43b638d2d242fd3e95ca587d21aae"`
[INFO] [stdout] 170fb49a857b68730ba38902f09775d732a43b638d2d242fd3e95ca587d21aae
[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/Thenis/rust-rectangles:/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] 0bbd46de8ee9b646afaa00b607685c6feb1ec4cdeae45784672b36edf3784141
[INFO] running `"docker" "start" "-a" "0bbd46de8ee9b646afaa00b607685c6feb1ec4cdeae45784672b36edf3784141"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rectangles-0b480d4ace0ea99c
[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" "0bbd46de8ee9b646afaa00b607685c6feb1ec4cdeae45784672b36edf3784141"`
[INFO] running `"docker" "rm" "-f" "0bbd46de8ee9b646afaa00b607685c6feb1ec4cdeae45784672b36edf3784141"`
[INFO] [stdout] 0bbd46de8ee9b646afaa00b607685c6feb1ec4cdeae45784672b36edf3784141