[INFO] cloning repository https://github.com/TheGrimJam/rustymarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheGrimJam/rustymarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf8012d9c143ff8985cf5b242e2aa95b1e1b1147
[INFO] checking TheGrimJam/rustymarks against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheGrimJam/rustymarks on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheGrimJam/rustymarks
[INFO] finished tweaking git repo https://github.com/TheGrimJam/rustymarks
[INFO] tweaked toml for git repo https://github.com/TheGrimJam/rustymarks written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/TheGrimJam/rustymarks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e8f20d16dd2b85091acd3f884fdba7695a4d6806f557e1600a33c5dd827ffc8
[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" "6e8f20d16dd2b85091acd3f884fdba7695a4d6806f557e1600a33c5dd827ffc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8f20d16dd2b85091acd3f884fdba7695a4d6806f557e1600a33c5dd827ffc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8f20d16dd2b85091acd3f884fdba7695a4d6806f557e1600a33c5dd827ffc8", kill_on_drop: false }`
[INFO] [stdout] 6e8f20d16dd2b85091acd3f884fdba7695a4d6806f557e1600a33c5dd827ffc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093ad62974f750a98e63971a98d7ab4d8ec8f8bf86b83323f198888d574aa4d3
[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" "093ad62974f750a98e63971a98d7ab4d8ec8f8bf86b83323f198888d574aa4d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hashbrown v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking MARKOV v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 |     for i in 1..10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/generator.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for n in 1..15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MARKOV` 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: `markov`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `modelVector` should have a snake case name
[INFO] [stdout]  --> src/models.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn join_models(modelVector : Vec<Model>) -> Model {
[INFO] [stdout]   |                    ^^^^^^^^^^^ help: convert the identifier to snake case: `model_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 |     for i in 1..10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/generator.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 |     for n in 1..15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MARKOV` 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: `markov`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `modelVector` should have a snake case name
[INFO] [stdout]  --> src/models.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn join_models(modelVector : Vec<Model>) -> Model {
[INFO] [stdout]   |                    ^^^^^^^^^^^ help: convert the identifier to snake case: `model_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 19.79s
[INFO] running `Command { std: "docker" "inspect" "093ad62974f750a98e63971a98d7ab4d8ec8f8bf86b83323f198888d574aa4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093ad62974f750a98e63971a98d7ab4d8ec8f8bf86b83323f198888d574aa4d3", kill_on_drop: false }`
[INFO] [stdout] 093ad62974f750a98e63971a98d7ab4d8ec8f8bf86b83323f198888d574aa4d3