[INFO] fetching crate jBrain 0.1.2...
[INFO] checking jBrain-0.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate jBrain 0.1.2 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate jBrain 0.1.2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-35/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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 num-complex v0.3.0
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded num v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9718f51b4f32fe3678ad937e6bb57202e5d2549d8281c764461d3993dc4cf40c
[INFO] running `Command { std: "docker" "start" "-a" "9718f51b4f32fe3678ad937e6bb57202e5d2549d8281c764461d3993dc4cf40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9718f51b4f32fe3678ad937e6bb57202e5d2549d8281c764461d3993dc4cf40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9718f51b4f32fe3678ad937e6bb57202e5d2549d8281c764461d3993dc4cf40c", kill_on_drop: false }`
[INFO] [stdout] 9718f51b4f32fe3678ad937e6bb57202e5d2549d8281c764461d3993dc4cf40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f6f48705420a42e4ff5b22d71b56c275603de72f770448d1c16017ab8605f67
[INFO] running `Command { std: "docker" "start" "-a" "5f6f48705420a42e4ff5b22d71b56c275603de72f770448d1c16017ab8605f67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[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]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling heck v0.3.1
[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-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[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 num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
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[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: 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: 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: 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] [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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.85s
[INFO] running `Command { std: "docker" "inspect" "5f6f48705420a42e4ff5b22d71b56c275603de72f770448d1c16017ab8605f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6f48705420a42e4ff5b22d71b56c275603de72f770448d1c16017ab8605f67", kill_on_drop: false }`
[INFO] [stdout] 5f6f48705420a42e4ff5b22d71b56c275603de72f770448d1c16017ab8605f67