[INFO] updating cached repository https://github.com/fizyk20/ageing_sim
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e540fb8685ec8063ace84fd6227803642ecc32d
[INFO] testing fizyk20/ageing_sim against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffizyk20%2Fageing_sim" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fizyk20/ageing_sim on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fizyk20/ageing_sim
[INFO] finished tweaking git repo https://github.com/fizyk20/ageing_sim
[INFO] tweaked toml for git repo https://github.com/fizyk20/ageing_sim written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fizyk20/ageing_sim already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 5a0f651f54e4d1daf512a1a64126d31bffc6e80e313683d0724b52520c3b8061
[INFO] running `"docker" "start" "-a" "5a0f651f54e4d1daf512a1a64126d31bffc6e80e313683d0724b52520c3b8061"`
[INFO] [stderr]    Compiling tiny-keccak v1.4.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.29.1
[INFO] [stderr]    Compiling ageing_sim v0.1.0 (/opt/rustwide/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 16.90s
[INFO] running `"docker" "inspect" "5a0f651f54e4d1daf512a1a64126d31bffc6e80e313683d0724b52520c3b8061"`
[INFO] running `"docker" "rm" "-f" "5a0f651f54e4d1daf512a1a64126d31bffc6e80e313683d0724b52520c3b8061"`
[INFO] [stdout] 5a0f651f54e4d1daf512a1a64126d31bffc6e80e313683d0724b52520c3b8061
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2dc5ff04bb27a0af8c8c0db1cf2a709e04b3f1e016f73fb13bfee62939de3d0d
[INFO] running `"docker" "start" "-a" "2dc5ff04bb27a0af8c8c0db1cf2a709e04b3f1e016f73fb13bfee62939de3d0d"`
[INFO] [stderr]    Compiling ageing_sim v0.1.0 (/opt/rustwide/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 1.96s
[INFO] running `"docker" "inspect" "2dc5ff04bb27a0af8c8c0db1cf2a709e04b3f1e016f73fb13bfee62939de3d0d"`
[INFO] running `"docker" "rm" "-f" "2dc5ff04bb27a0af8c8c0db1cf2a709e04b3f1e016f73fb13bfee62939de3d0d"`
[INFO] [stdout] 2dc5ff04bb27a0af8c8c0db1cf2a709e04b3f1e016f73fb13bfee62939de3d0d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 5a8f6867923ce84951f8ae83a6543c1e69d5ef41add35b1d588d2c262d48071c
[INFO] running `"docker" "start" "-a" "5a8f6867923ce84951f8ae83a6543c1e69d5ef41add35b1d588d2c262d48071c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ageing_sim-6a6d48c50849e5c3
[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" "5a8f6867923ce84951f8ae83a6543c1e69d5ef41add35b1d588d2c262d48071c"`
[INFO] running `"docker" "rm" "-f" "5a8f6867923ce84951f8ae83a6543c1e69d5ef41add35b1d588d2c262d48071c"`
[INFO] [stdout] 5a8f6867923ce84951f8ae83a6543c1e69d5ef41add35b1d588d2c262d48071c