[INFO] cloning repository https://github.com/scratchyone/Brainfuck-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scratchyone/Brainfuck-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscratchyone%2FBrainfuck-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscratchyone%2FBrainfuck-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b2fbd73dfc0bea18fc2d9ed444f7050d5834672
[INFO] checking scratchyone/Brainfuck-Rust against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscratchyone%2FBrainfuck-Rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/scratchyone/Brainfuck-Rust
[INFO] finished tweaking git repo https://github.com/scratchyone/Brainfuck-Rust
[INFO] tweaked toml for git repo https://github.com/scratchyone/Brainfuck-Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/scratchyone/Brainfuck-Rust on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/scratchyone/Brainfuck-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d1dea41a495c2126a355a6f9d85759496f05758bbb30b23ed2f4b447bdabf9
[INFO] running `Command { std: "docker" "start" "-a" "93d1dea41a495c2126a355a6f9d85759496f05758bbb30b23ed2f4b447bdabf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d1dea41a495c2126a355a6f9d85759496f05758bbb30b23ed2f4b447bdabf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d1dea41a495c2126a355a6f9d85759496f05758bbb30b23ed2f4b447bdabf9", kill_on_drop: false }`
[INFO] [stdout] 93d1dea41a495c2126a355a6f9d85759496f05758bbb30b23ed2f4b447bdabf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31e47d41a87e3603410c9240f069a8d6406aa091817b3f558afef64a09107662
[INFO] running `Command { std: "docker" "start" "-a" "31e47d41a87e3603410c9240f069a8d6406aa091817b3f558afef64a09107662", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking brainfuck2c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::btree_map::Values`
[INFO] [stdout]  --> src/codegen.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::btree_map::Values, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::btree_map::Values`
[INFO] [stdout]  --> src/codegen.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::btree_map::Values, fmt};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Int` is never constructed
[INFO] [stdout]    --> src/codegen.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | enum Index {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] 183 |     Int(i32),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String` and `Bool` are never constructed
[INFO] [stdout]    --> src/codegen.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | enum Value {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 195 |     String(String),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 196 |     Int(i32),
[INFO] [stdout] 197 |     Bool(bool),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eq` is never constructed
[INFO] [stdout]    --> src/codegen.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 211 | enum Condition {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] 212 |     NotEq(ObjectRef, ObjectRef),
[INFO] [stdout] 213 |     Eq(ObjectRef, ObjectRef),
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/codegen.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     &mut brainfuck_codegen_rec(input, scope);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = &mut brainfuck_codegen_rec(input, scope);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `INDEX_MEMORY_NOW` should have a snake case name
[INFO] [stdout]   --> src/codegen.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let INDEX_MEMORY_NOW: ObjectRef = ObjectRef::ListIndex(ListIndex {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `index_memory_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MEMPOINTER` should have a snake case name
[INFO] [stdout]   --> src/codegen.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let MEMPOINTER: ObjectRef = ObjectRef::VarRef("memPointer".to_string());
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `mempointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Int` is never constructed
[INFO] [stdout]    --> src/codegen.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 182 | enum Index {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] 183 |     Int(i32),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String` and `Bool` are never constructed
[INFO] [stdout]    --> src/codegen.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | enum Value {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 195 |     String(String),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 196 |     Int(i32),
[INFO] [stdout] 197 |     Bool(bool),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eq` is never constructed
[INFO] [stdout]    --> src/codegen.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 211 | enum Condition {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] 212 |     NotEq(ObjectRef, ObjectRef),
[INFO] [stdout] 213 |     Eq(ObjectRef, ObjectRef),
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/codegen.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     &mut brainfuck_codegen_rec(input, scope);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = &mut brainfuck_codegen_rec(input, scope);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `INDEX_MEMORY_NOW` should have a snake case name
[INFO] [stdout]   --> src/codegen.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let INDEX_MEMORY_NOW: ObjectRef = ObjectRef::ListIndex(ListIndex {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `index_memory_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MEMPOINTER` should have a snake case name
[INFO] [stdout]   --> src/codegen.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let MEMPOINTER: ObjectRef = ObjectRef::VarRef("memPointer".to_string());
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `mempointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "31e47d41a87e3603410c9240f069a8d6406aa091817b3f558afef64a09107662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e47d41a87e3603410c9240f069a8d6406aa091817b3f558afef64a09107662", kill_on_drop: false }`
[INFO] [stdout] 31e47d41a87e3603410c9240f069a8d6406aa091817b3f558afef64a09107662