[INFO] updating cached repository fizyk20/ageing_sim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fizyk20/ageing_sim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fizyk20/ageing_sim" "work/ex/beta-1.37-6/sources/1.36.0/gh/fizyk20/ageing_sim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fizyk20/ageing_sim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fizyk20/ageing_sim" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fizyk20/ageing_sim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fizyk20/ageing_sim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e540fb8685ec8063ace84fd6227803642ecc32d
[INFO] sha for GitHub repo fizyk20/ageing_sim: 6e540fb8685ec8063ace84fd6227803642ecc32d
[INFO] validating manifest of fizyk20/ageing_sim 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 fizyk20/ageing_sim 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 fizyk20/ageing_sim
[INFO] finished frobbing fizyk20/ageing_sim
[INFO] frobbed toml for fizyk20/ageing_sim written to work/ex/beta-1.37-6/sources/1.36.0/gh/fizyk20/ageing_sim/Cargo.toml
[INFO] started frobbing fizyk20/ageing_sim
[INFO] finished frobbing fizyk20/ageing_sim
[INFO] frobbed toml for fizyk20/ageing_sim written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fizyk20/ageing_sim/Cargo.toml
[INFO] crate fizyk20/ageing_sim 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fizyk20/ageing_sim 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/fizyk20/ageing_sim:/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] 7021ee102ac9fe56d7cf55c818f12a7cd0b8578f2d3528cfff1c547636bd8258
[INFO] running `"docker" "start" "-a" "7021ee102ac9fe56d7cf55c818f12a7cd0b8578f2d3528cfff1c547636bd8258"`
[INFO] [stderr]    Compiling tiny-keccak v1.4.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling clap v2.29.1
[INFO] [stderr]    Compiling ageing_sim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/section.rs:292:20
[INFO] [stderr]     |
[INFO] [stderr] 292 |         for (name, mut node) in &mut section0.nodes {
[INFO] [stderr]     |                    ----^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.03s
[INFO] running `"docker" "inspect" "7021ee102ac9fe56d7cf55c818f12a7cd0b8578f2d3528cfff1c547636bd8258"`
[INFO] running `"docker" "rm" "-f" "7021ee102ac9fe56d7cf55c818f12a7cd0b8578f2d3528cfff1c547636bd8258"`
[INFO] [stdout] 7021ee102ac9fe56d7cf55c818f12a7cd0b8578f2d3528cfff1c547636bd8258
[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/fizyk20/ageing_sim:/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] 46ab65f6f6986eafdac9392ebe05ea06e49d79fbc989eee602baeef6b3671aea
[INFO] running `"docker" "start" "-a" "46ab65f6f6986eafdac9392ebe05ea06e49d79fbc989eee602baeef6b3671aea"`
[INFO] [stderr]    Compiling ageing_sim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/section.rs:292:20
[INFO] [stderr]     |
[INFO] [stderr] 292 |         for (name, mut node) in &mut section0.nodes {
[INFO] [stderr]     |                    ----^^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `"docker" "inspect" "46ab65f6f6986eafdac9392ebe05ea06e49d79fbc989eee602baeef6b3671aea"`
[INFO] running `"docker" "rm" "-f" "46ab65f6f6986eafdac9392ebe05ea06e49d79fbc989eee602baeef6b3671aea"`
[INFO] [stdout] 46ab65f6f6986eafdac9392ebe05ea06e49d79fbc989eee602baeef6b3671aea
[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/fizyk20/ageing_sim:/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] d3f7ca92260019e497064521c9ea0b179935cab318681bcd4332339fdbd34385
[INFO] running `"docker" "start" "-a" "d3f7ca92260019e497064521c9ea0b179935cab318681bcd4332339fdbd34385"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ageing_sim-bb4ac20f21506bd8
[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" "d3f7ca92260019e497064521c9ea0b179935cab318681bcd4332339fdbd34385"`
[INFO] running `"docker" "rm" "-f" "d3f7ca92260019e497064521c9ea0b179935cab318681bcd4332339fdbd34385"`
[INFO] [stdout] d3f7ca92260019e497064521c9ea0b179935cab318681bcd4332339fdbd34385