[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 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4c065ce9781a5f38418b06a69adee19699669e4cc9718c3adacc6a9d87c50974
[INFO] running `"docker" "start" "-a" "4c065ce9781a5f38418b06a69adee19699669e4cc9718c3adacc6a9d87c50974"`
[INFO] [stderr]    Compiling tiny-keccak v1.4.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling rand v0.3.20
[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 26.98s
[INFO] running `"docker" "inspect" "4c065ce9781a5f38418b06a69adee19699669e4cc9718c3adacc6a9d87c50974"`
[INFO] running `"docker" "rm" "-f" "4c065ce9781a5f38418b06a69adee19699669e4cc9718c3adacc6a9d87c50974"`
[INFO] [stdout] 4c065ce9781a5f38418b06a69adee19699669e4cc9718c3adacc6a9d87c50974
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 70ee17f2b7dcc34d639240faec7cf7eaa1d7f74114e323d3c75e06263441c9ee
[INFO] running `"docker" "start" "-a" "70ee17f2b7dcc34d639240faec7cf7eaa1d7f74114e323d3c75e06263441c9ee"`
[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 2.59s
[INFO] running `"docker" "inspect" "70ee17f2b7dcc34d639240faec7cf7eaa1d7f74114e323d3c75e06263441c9ee"`
[INFO] running `"docker" "rm" "-f" "70ee17f2b7dcc34d639240faec7cf7eaa1d7f74114e323d3c75e06263441c9ee"`
[INFO] [stdout] 70ee17f2b7dcc34d639240faec7cf7eaa1d7f74114e323d3c75e06263441c9ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9441c68d96ee71383bf7dfd2a08bb9e038228fd343603ff1e6ef7910cbc142ab
[INFO] running `"docker" "start" "-a" "9441c68d96ee71383bf7dfd2a08bb9e038228fd343603ff1e6ef7910cbc142ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ageing_sim-eede01251e2567a7
[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" "9441c68d96ee71383bf7dfd2a08bb9e038228fd343603ff1e6ef7910cbc142ab"`
[INFO] running `"docker" "rm" "-f" "9441c68d96ee71383bf7dfd2a08bb9e038228fd343603ff1e6ef7910cbc142ab"`
[INFO] [stdout] 9441c68d96ee71383bf7dfd2a08bb9e038228fd343603ff1e6ef7910cbc142ab