[INFO] updating cached repository angusturner/rust-graph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/angusturner/rust-graph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/angusturner/rust-graph" "work/ex/beta-1.37-6/sources/1.36.0/gh/angusturner/rust-graph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/angusturner/rust-graph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/angusturner/rust-graph" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/angusturner/rust-graph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/angusturner/rust-graph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55e0cef4252dcf859eb58a8e914043dd03dd2a19
[INFO] sha for GitHub repo angusturner/rust-graph: 55e0cef4252dcf859eb58a8e914043dd03dd2a19
[INFO] validating manifest of angusturner/rust-graph 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 angusturner/rust-graph 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 angusturner/rust-graph
[INFO] finished frobbing angusturner/rust-graph
[INFO] frobbed toml for angusturner/rust-graph written to work/ex/beta-1.37-6/sources/1.36.0/gh/angusturner/rust-graph/Cargo.toml
[INFO] started frobbing angusturner/rust-graph
[INFO] finished frobbing angusturner/rust-graph
[INFO] frobbed toml for angusturner/rust-graph written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/angusturner/rust-graph/Cargo.toml
[INFO] crate angusturner/rust-graph 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing angusturner/rust-graph against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/angusturner/rust-graph:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 06bcb762980f75bf21caaf807d8c21b2191558557b7ee859622c83ff03bdbe87
[INFO] running `"docker" "start" "-a" "06bcb762980f75bf21caaf807d8c21b2191558557b7ee859622c83ff03bdbe87"`
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "06bcb762980f75bf21caaf807d8c21b2191558557b7ee859622c83ff03bdbe87"`
[INFO] running `"docker" "rm" "-f" "06bcb762980f75bf21caaf807d8c21b2191558557b7ee859622c83ff03bdbe87"`
[INFO] [stdout] 06bcb762980f75bf21caaf807d8c21b2191558557b7ee859622c83ff03bdbe87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/angusturner/rust-graph:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 227dbb49d8cfe4d4f41ee55ad9d6d898806b75595318d6f5bb29621cd05c053b
[INFO] running `"docker" "start" "-a" "227dbb49d8cfe4d4f41ee55ad9d6d898806b75595318d6f5bb29621cd05c053b"`
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "227dbb49d8cfe4d4f41ee55ad9d6d898806b75595318d6f5bb29621cd05c053b"`
[INFO] running `"docker" "rm" "-f" "227dbb49d8cfe4d4f41ee55ad9d6d898806b75595318d6f5bb29621cd05c053b"`
[INFO] [stdout] 227dbb49d8cfe4d4f41ee55ad9d6d898806b75595318d6f5bb29621cd05c053b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/angusturner/rust-graph:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9b326d8cb69f0843884c847254c2f13f31104f727f2183b0b55971d0253eff8f
[INFO] running `"docker" "start" "-a" "9b326d8cb69f0843884c847254c2f13f31104f727f2183b0b55971d0253eff8f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graph-6715eaef97a09dca
[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" "9b326d8cb69f0843884c847254c2f13f31104f727f2183b0b55971d0253eff8f"`
[INFO] running `"docker" "rm" "-f" "9b326d8cb69f0843884c847254c2f13f31104f727f2183b0b55971d0253eff8f"`
[INFO] [stdout] 9b326d8cb69f0843884c847254c2f13f31104f727f2183b0b55971d0253eff8f