[INFO] updating cached repository adefirmanf/todo-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adefirmanf/todo-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adefirmanf/todo-in-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/adefirmanf/todo-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/adefirmanf/todo-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adefirmanf/todo-in-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adefirmanf/todo-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adefirmanf/todo-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5c4e114ee28d9f6d473fe486f686d4fb0ed3c5b
[INFO] sha for GitHub repo adefirmanf/todo-in-rust: f5c4e114ee28d9f6d473fe486f686d4fb0ed3c5b
[INFO] validating manifest of adefirmanf/todo-in-rust 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 adefirmanf/todo-in-rust 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 adefirmanf/todo-in-rust
[INFO] finished frobbing adefirmanf/todo-in-rust
[INFO] frobbed toml for adefirmanf/todo-in-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/adefirmanf/todo-in-rust/Cargo.toml
[INFO] started frobbing adefirmanf/todo-in-rust
[INFO] finished frobbing adefirmanf/todo-in-rust
[INFO] frobbed toml for adefirmanf/todo-in-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adefirmanf/todo-in-rust/Cargo.toml
[INFO] crate adefirmanf/todo-in-rust 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 adefirmanf/todo-in-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adefirmanf/todo-in-rust:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] dc3b7f446dc0dcc2da05f2de64d53d42605269096121a191ff8470cbe06bf93c
[INFO] running `"docker" "start" "-a" "dc3b7f446dc0dcc2da05f2de64d53d42605269096121a191ff8470cbe06bf93c"`
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling hyper v0.12.11
[INFO] [stderr]    Compiling first_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `List`
[INFO] [stderr]   --> src/main.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct List{
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.15s
[INFO] running `"docker" "inspect" "dc3b7f446dc0dcc2da05f2de64d53d42605269096121a191ff8470cbe06bf93c"`
[INFO] running `"docker" "rm" "-f" "dc3b7f446dc0dcc2da05f2de64d53d42605269096121a191ff8470cbe06bf93c"`
[INFO] [stdout] dc3b7f446dc0dcc2da05f2de64d53d42605269096121a191ff8470cbe06bf93c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adefirmanf/todo-in-rust:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb9476219cf71606dad4e026a1e80245883d0ed1cf6f9d435ab2dcb82745eccf
[INFO] running `"docker" "start" "-a" "cb9476219cf71606dad4e026a1e80245883d0ed1cf6f9d435ab2dcb82745eccf"`
[INFO] [stderr]    Compiling first_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `List`
[INFO] [stderr]   --> src/main.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct List{
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "cb9476219cf71606dad4e026a1e80245883d0ed1cf6f9d435ab2dcb82745eccf"`
[INFO] running `"docker" "rm" "-f" "cb9476219cf71606dad4e026a1e80245883d0ed1cf6f9d435ab2dcb82745eccf"`
[INFO] [stdout] cb9476219cf71606dad4e026a1e80245883d0ed1cf6f9d435ab2dcb82745eccf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adefirmanf/todo-in-rust:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6d80491187aa017e628a25981a14fa2e6f1a8ee194115835c3d4b3d0006b0d3c
[INFO] running `"docker" "start" "-a" "6d80491187aa017e628a25981a14fa2e6f1a8ee194115835c3d4b3d0006b0d3c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/first_rust-0a2938fe48035960
[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" "6d80491187aa017e628a25981a14fa2e6f1a8ee194115835c3d4b3d0006b0d3c"`
[INFO] running `"docker" "rm" "-f" "6d80491187aa017e628a25981a14fa2e6f1a8ee194115835c3d4b3d0006b0d3c"`
[INFO] [stdout] 6d80491187aa017e628a25981a14fa2e6f1a8ee194115835c3d4b3d0006b0d3c