[INFO] updating cached repository Heru-Luin/rusty-nim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Heru-Luin/rusty-nim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Heru-Luin/rusty-nim" "work/ex/beta-1.37-6/sources/1.36.0/gh/Heru-Luin/rusty-nim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Heru-Luin/rusty-nim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Heru-Luin/rusty-nim" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Heru-Luin/rusty-nim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Heru-Luin/rusty-nim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07ce6aeaebcb32718d345ee76cbc3a8870828c86
[INFO] sha for GitHub repo Heru-Luin/rusty-nim: 07ce6aeaebcb32718d345ee76cbc3a8870828c86
[INFO] validating manifest of Heru-Luin/rusty-nim 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 Heru-Luin/rusty-nim 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 Heru-Luin/rusty-nim
[INFO] finished frobbing Heru-Luin/rusty-nim
[INFO] frobbed toml for Heru-Luin/rusty-nim written to work/ex/beta-1.37-6/sources/1.36.0/gh/Heru-Luin/rusty-nim/Cargo.toml
[INFO] started frobbing Heru-Luin/rusty-nim
[INFO] finished frobbing Heru-Luin/rusty-nim
[INFO] frobbed toml for Heru-Luin/rusty-nim written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Heru-Luin/rusty-nim/Cargo.toml
[INFO] crate Heru-Luin/rusty-nim 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 Heru-Luin/rusty-nim 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-7/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/Heru-Luin/rusty-nim:/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] 2c0703d10a1770e5fda7010b475f09153b94218cf162ef5dcadbb62454d04621
[INFO] running `"docker" "start" "-a" "2c0703d10a1770e5fda7010b475f09153b94218cf162ef5dcadbb62454d04621"`
[INFO] [stderr]    Compiling rand_num_gen v0.1.0
[INFO] [stderr]    Compiling rusty-nim v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `nb_removed_sticks` is never read
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut nb_removed_sticks:u32 = 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:77:10
[INFO] [stderr]    |
[INFO] [stderr] 77 |             stdin().read_line(&mut line);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "2c0703d10a1770e5fda7010b475f09153b94218cf162ef5dcadbb62454d04621"`
[INFO] running `"docker" "rm" "-f" "2c0703d10a1770e5fda7010b475f09153b94218cf162ef5dcadbb62454d04621"`
[INFO] [stdout] 2c0703d10a1770e5fda7010b475f09153b94218cf162ef5dcadbb62454d04621
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/Heru-Luin/rusty-nim:/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] 11532eb6fb195b0d27603421c5b6a7f05856b125b4c658859c75a3bff502c87a
[INFO] running `"docker" "start" "-a" "11532eb6fb195b0d27603421c5b6a7f05856b125b4c658859c75a3bff502c87a"`
[INFO] [stderr]    Compiling rusty-nim v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `nb_removed_sticks` is never read
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut nb_removed_sticks:u32 = 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:77:10
[INFO] [stderr]    |
[INFO] [stderr] 77 |             stdin().read_line(&mut line);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "11532eb6fb195b0d27603421c5b6a7f05856b125b4c658859c75a3bff502c87a"`
[INFO] running `"docker" "rm" "-f" "11532eb6fb195b0d27603421c5b6a7f05856b125b4c658859c75a3bff502c87a"`
[INFO] [stdout] 11532eb6fb195b0d27603421c5b6a7f05856b125b4c658859c75a3bff502c87a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/Heru-Luin/rusty-nim:/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] 473e9df7e1575d096bc40c1203c91bcb37ec1b5a5b53d40caa3ab41e0a8e11cb
[INFO] running `"docker" "start" "-a" "473e9df7e1575d096bc40c1203c91bcb37ec1b5a5b53d40caa3ab41e0a8e11cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_nim-83f7994ad6efd2ce
[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" "473e9df7e1575d096bc40c1203c91bcb37ec1b5a5b53d40caa3ab41e0a8e11cb"`
[INFO] running `"docker" "rm" "-f" "473e9df7e1575d096bc40c1203c91bcb37ec1b5a5b53d40caa3ab41e0a8e11cb"`
[INFO] [stdout] 473e9df7e1575d096bc40c1203c91bcb37ec1b5a5b53d40caa3ab41e0a8e11cb