[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] testing TheGrimJam/rustymarks against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheGrimJam%2Frustymarks" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheGrimJam/rustymarks on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.5
[INFO] [stderr]   Downloaded libc v0.2.54
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded hashbrown v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e414f74c1de245d40b2abe346facccde52731618659357f50d22ff308ca123a
[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" "8e414f74c1de245d40b2abe346facccde52731618659357f50d22ff308ca123a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e414f74c1de245d40b2abe346facccde52731618659357f50d22ff308ca123a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e414f74c1de245d40b2abe346facccde52731618659357f50d22ff308ca123a", kill_on_drop: false }`
[INFO] [stdout] 8e414f74c1de245d40b2abe346facccde52731618659357f50d22ff308ca123a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5c6a2d5100a4c9ac6834e0a98c75a7ffc7ee3b88ef7d485b51f1f5b136c329
[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" "6d5c6a2d5100a4c9ac6834e0a98c75a7ffc7ee3b88ef7d485b51f1f5b136c329", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling hashbrown v0.3.0
[INFO] [stderr]    Compiling 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "6d5c6a2d5100a4c9ac6834e0a98c75a7ffc7ee3b88ef7d485b51f1f5b136c329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5c6a2d5100a4c9ac6834e0a98c75a7ffc7ee3b88ef7d485b51f1f5b136c329", kill_on_drop: false }`
[INFO] [stdout] 6d5c6a2d5100a4c9ac6834e0a98c75a7ffc7ee3b88ef7d485b51f1f5b136c329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] a6fdb4da0f40a72da1f5c691bd4c3ffe3d6ee243bed8e76f1812f67716146214
[INFO] running `Command { std: "docker" "start" "-a" "a6fdb4da0f40a72da1f5c691bd4c3ffe3d6ee243bed8e76f1812f67716146214", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "a6fdb4da0f40a72da1f5c691bd4c3ffe3d6ee243bed8e76f1812f67716146214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fdb4da0f40a72da1f5c691bd4c3ffe3d6ee243bed8e76f1812f67716146214", kill_on_drop: false }`
[INFO] [stdout] a6fdb4da0f40a72da1f5c691bd4c3ffe3d6ee243bed8e76f1812f67716146214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 4436f669ed3b79ee5b3d517db2dc963db098aedb6cc30fd839fd67a38c75b89f
[INFO] running `Command { std: "docker" "start" "-a" "4436f669ed3b79ee5b3d517db2dc963db098aedb6cc30fd839fd67a38c75b89f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:59:6
[INFO] [stderr]    |
[INFO] [stderr] 59 |     for i in 1..10 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/generator.rs:27:6
[INFO] [stderr]    |
[INFO] [stderr] 27 |     for n in 1..15 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MARKOV` 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: `markov`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `modelVector` should have a snake case name
[INFO] [stderr]  --> src/models.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn join_models(modelVector : Vec<Model>) -> Model {
[INFO] [stderr]   |                    ^^^^^^^^^^^ help: convert the identifier to snake case: `model_vector`
[INFO] [stderr] 
[INFO] [stderr] warning: `MARKOV` (bin "MARKOV" test) generated 4 warnings
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/MARKOV-bdacb353509a1301)
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4436f669ed3b79ee5b3d517db2dc963db098aedb6cc30fd839fd67a38c75b89f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4436f669ed3b79ee5b3d517db2dc963db098aedb6cc30fd839fd67a38c75b89f", kill_on_drop: false }`
[INFO] [stdout] 4436f669ed3b79ee5b3d517db2dc963db098aedb6cc30fd839fd67a38c75b89f