[INFO] cloning repository https://github.com/junhuac/iCoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/junhuac/iCoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhuac%2FiCoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhuac%2FiCoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c24bd5d3022a8e4d9efccd18513f6e80ace3e2
[INFO] testing junhuac/iCoin against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhuac%2FiCoin" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/junhuac/iCoin on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/junhuac/iCoin
[INFO] finished tweaking git repo https://github.com/junhuac/iCoin
[INFO] tweaked toml for git repo https://github.com/junhuac/iCoin written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/junhuac/iCoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a1a9fb33e2b698c889dc3cb2d6388a039f9fa8fd08a90272b831c32390dc931
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a1a9fb33e2b698c889dc3cb2d6388a039f9fa8fd08a90272b831c32390dc931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1a9fb33e2b698c889dc3cb2d6388a039f9fa8fd08a90272b831c32390dc931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1a9fb33e2b698c889dc3cb2d6388a039f9fa8fd08a90272b831c32390dc931", kill_on_drop: false }`
[INFO] [stdout] 5a1a9fb33e2b698c889dc3cb2d6388a039f9fa8fd08a90272b831c32390dc931
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0cfd8ba9a3bbe981b88d0332f4ba521558d95c2330ee13fa821155dc071d8eb3
[INFO] running `Command { std: "docker" "start" "-a" "0cfd8ba9a3bbe981b88d0332f4ba521558d95c2330ee13fa821155dc071d8eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling ferris-says v0.2.1
[INFO] [stderr]    Compiling iCoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `iCoin` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `i_coin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Writer` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut Writer = BufWriter::new(stdout.lock());
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cfd8ba9a3bbe981b88d0332f4ba521558d95c2330ee13fa821155dc071d8eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfd8ba9a3bbe981b88d0332f4ba521558d95c2330ee13fa821155dc071d8eb3", kill_on_drop: false }`
[INFO] [stdout] 0cfd8ba9a3bbe981b88d0332f4ba521558d95c2330ee13fa821155dc071d8eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e892bd289f3a5845729180321aabedb4703f657b46f44cf38967eca960a001e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e892bd289f3a5845729180321aabedb4703f657b46f44cf38967eca960a001e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling iCoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `iCoin` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `i_coin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Writer` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut Writer = BufWriter::new(stdout.lock());
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/iCoin-39b1cbd9a16cdd87)
[INFO] running `Command { std: "docker" "inspect" "e892bd289f3a5845729180321aabedb4703f657b46f44cf38967eca960a001e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e892bd289f3a5845729180321aabedb4703f657b46f44cf38967eca960a001e7", kill_on_drop: false }`
[INFO] [stdout] e892bd289f3a5845729180321aabedb4703f657b46f44cf38967eca960a001e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f71e109d9239cfabc37c9c3329d69c97f13b0d644e488834c8fb647e04f57ce
[INFO] running `Command { std: "docker" "start" "-a" "5f71e109d9239cfabc37c9c3329d69c97f13b0d644e488834c8fb647e04f57ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `iCoin` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `i_coin`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Writer` should have a snake case name
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut Writer = BufWriter::new(stdout.lock());
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `writer`
[INFO] [stderr] 
[INFO] [stderr] warning: `iCoin` (bin "iCoin" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.67s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iCoin-39b1cbd9a16cdd87)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f71e109d9239cfabc37c9c3329d69c97f13b0d644e488834c8fb647e04f57ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f71e109d9239cfabc37c9c3329d69c97f13b0d644e488834c8fb647e04f57ce", kill_on_drop: false }`
[INFO] [stdout] 5f71e109d9239cfabc37c9c3329d69c97f13b0d644e488834c8fb647e04f57ce