[INFO] fetching crate jBrain 0.1.2...
[INFO] checking jBrain-0.1.2 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate jBrain 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate jBrain 0.1.2 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jBrain 0.1.2
[INFO] finished tweaking crates.io crate jBrain 0.1.2
[INFO] tweaked toml for crates.io crate jBrain 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate jBrain 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81c7ff884bbf94dd12e15735f436cce9cf62bbe9d68c4bc7dd92d8e051ec3359
[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" "81c7ff884bbf94dd12e15735f436cce9cf62bbe9d68c4bc7dd92d8e051ec3359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81c7ff884bbf94dd12e15735f436cce9cf62bbe9d68c4bc7dd92d8e051ec3359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c7ff884bbf94dd12e15735f436cce9cf62bbe9d68c4bc7dd92d8e051ec3359", kill_on_drop: false }`
[INFO] [stdout] 81c7ff884bbf94dd12e15735f436cce9cf62bbe9d68c4bc7dd92d8e051ec3359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf28d21fe20bc1cd122be212d409651e06f786dde07dd1d59cae626c7000aa3
[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" "8bf28d21fe20bc1cd122be212d409651e06f786dde07dd1d59cae626c7000aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking jBrain v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `jBrainVM` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct jBrainVM {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `JBrainVm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `jBrainVM` should have an upper camel case name
[INFO] [stdout]   --> src/vm.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct jBrainVM {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `JBrainVm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vm.rs:475:5
[INFO] [stdout]     |
[INFO] [stdout] 474 |                 panic!("Failed to pop, ERROR 0x0003");
[INFO] [stdout]     |                 -------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 475 |                 0
[INFO] [stdout]     |                 ^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockno`
[INFO] [stdout]    --> src/vm.rs:386:12
[INFO] [stdout]     |
[INFO] [stdout] 386 |                             let blockno = self.block;
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockno`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/vm.rs:489:21
[INFO] [stdout]     |
[INFO] [stdout] 489 |     fn pass(&mut self, value: u8) {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `jBrain` 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: `j_brain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `jBrain` should have a snake case name
[INFO] [stdout]   --> src/main.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut jBrain = vm::jBrainVM::new();
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `j_brain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jBrain_version` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn jBrain_version() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `j_brain_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jBrain_license` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn jBrain_license() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `j_brain_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vm.rs:475:5
[INFO] [stdout]     |
[INFO] [stdout] 474 |                 panic!("Failed to pop, ERROR 0x0003");
[INFO] [stdout]     |                 -------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 475 |                 0
[INFO] [stdout]     |                 ^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockno`
[INFO] [stdout]    --> src/vm.rs:386:12
[INFO] [stdout]     |
[INFO] [stdout] 386 |                             let blockno = self.block;
[INFO] [stdout]     |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockno`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/vm.rs:489:21
[INFO] [stdout]     |
[INFO] [stdout] 489 |     fn pass(&mut self, value: u8) {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `jBrain` 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: `j_brain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `jBrain` should have a snake case name
[INFO] [stdout]   --> src/main.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut jBrain = vm::jBrainVM::new();
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case: `j_brain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jBrain_version` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn jBrain_version() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `j_brain_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jBrain_license` should have a snake case name
[INFO] [stdout]   --> src/vm.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn jBrain_license() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `j_brain_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.95s
[INFO] running `Command { std: "docker" "inspect" "8bf28d21fe20bc1cd122be212d409651e06f786dde07dd1d59cae626c7000aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf28d21fe20bc1cd122be212d409651e06f786dde07dd1d59cae626c7000aa3", kill_on_drop: false }`
[INFO] [stdout] 8bf28d21fe20bc1cd122be212d409651e06f786dde07dd1d59cae626c7000aa3