[INFO] cloning repository https://github.com/zargony/synacor-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zargony/synacor-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzargony%2Fsynacor-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzargony%2Fsynacor-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07b7a31e7ad31202e31007eac05fe6173bf7ff60
[INFO] testing zargony/synacor-challenge against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzargony%2Fsynacor-challenge" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zargony/synacor-challenge on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zargony/synacor-challenge
[INFO] finished tweaking git repo https://github.com/zargony/synacor-challenge
[INFO] tweaked toml for git repo https://github.com/zargony/synacor-challenge written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zargony/synacor-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fae37c1136c527bdc40c566dc823f2ec70231c4f56f4ee3e739aec82fadca430
[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" "fae37c1136c527bdc40c566dc823f2ec70231c4f56f4ee3e739aec82fadca430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae37c1136c527bdc40c566dc823f2ec70231c4f56f4ee3e739aec82fadca430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae37c1136c527bdc40c566dc823f2ec70231c4f56f4ee3e739aec82fadca430", kill_on_drop: false }`
[INFO] [stdout] fae37c1136c527bdc40c566dc823f2ec70231c4f56f4ee3e739aec82fadca430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b16568b6c36e627b74d02f0845ccf3f173cd81cb9eec24ebfdeb14c3a0ce1e28
[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" "b16568b6c36e627b74d02f0845ccf3f173cd81cb9eec24ebfdeb14c3a0ce1e28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `jump`
[INFO] [stdout]    --> src/memory.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn jump(&mut self, addr: usize) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "b16568b6c36e627b74d02f0845ccf3f173cd81cb9eec24ebfdeb14c3a0ce1e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16568b6c36e627b74d02f0845ccf3f173cd81cb9eec24ebfdeb14c3a0ce1e28", kill_on_drop: false }`
[INFO] [stdout] b16568b6c36e627b74d02f0845ccf3f173cd81cb9eec24ebfdeb14c3a0ce1e28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 275d81a34995663c8a2388615400ce42e5aa8178b61c343c4db215eee7704e2f
[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" "275d81a34995663c8a2388615400ce42e5aa8178b61c343c4db215eee7704e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "275d81a34995663c8a2388615400ce42e5aa8178b61c343c4db215eee7704e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275d81a34995663c8a2388615400ce42e5aa8178b61c343c4db215eee7704e2f", kill_on_drop: false }`
[INFO] [stdout] 275d81a34995663c8a2388615400ce42e5aa8178b61c343c4db215eee7704e2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec6a0b77a97be878ae950cf98ef7ab432639b05b56e91aa54fe97dcf76268dca
[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" "ec6a0b77a97be878ae950cf98ef7ab432639b05b56e91aa54fe97dcf76268dca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synacor_challenge-70c083f0275f298a)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test memory::tests::loading ... ok
[INFO] [stdout] test vm::tests::operand_fetching ... ok
[INFO] [stdout] test vm::tests::vm ... ok
[INFO] [stdout] test memory::tests::basic_access ... ok
[INFO] [stdout] test vm::tests::instruction_fetching ... ok
[INFO] [stdout] test vm::tests::operands ... ok
[INFO] [stdout] test memory::tests::creating ... ok
[INFO] [stdout] test memory::tests::pointer_operations ... ok
[INFO] [stdout] test memory::tests::loading_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec6a0b77a97be878ae950cf98ef7ab432639b05b56e91aa54fe97dcf76268dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6a0b77a97be878ae950cf98ef7ab432639b05b56e91aa54fe97dcf76268dca", kill_on_drop: false }`
[INFO] [stdout] ec6a0b77a97be878ae950cf98ef7ab432639b05b56e91aa54fe97dcf76268dca