[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 try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscratchyone%2FBrainfuck-Rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scratchyone/Brainfuck-Rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/scratchyone/Brainfuck-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9465c8991fa89638c6993938e5f9f376a857358702d920986e527d9dc17d6450
[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" "9465c8991fa89638c6993938e5f9f376a857358702d920986e527d9dc17d6450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9465c8991fa89638c6993938e5f9f376a857358702d920986e527d9dc17d6450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9465c8991fa89638c6993938e5f9f376a857358702d920986e527d9dc17d6450", kill_on_drop: false }`
[INFO] [stdout] 9465c8991fa89638c6993938e5f9f376a857358702d920986e527d9dc17d6450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0a6d281ba3877b56837f01092ec09da9702fc917842602c5c0247148196cd3f
[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" "a0a6d281ba3877b56837f01092ec09da9702fc917842602c5c0247148196cd3f", 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 ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[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 is never constructed: `Int`
[INFO] [stdout]    --> src/codegen.rs:183:5
[INFO] [stdout]     |
[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: variant is never constructed: `String`
[INFO] [stdout]    --> src/codegen.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     String(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]    --> src/codegen.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     Bool(bool),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eq`
[INFO] [stdout]    --> src/codegen.rs:213:5
[INFO] [stdout]     |
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[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 is never constructed: `Int`
[INFO] [stdout]    --> src/codegen.rs:183:5
[INFO] [stdout]     |
[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: variant is never constructed: `String`
[INFO] [stdout]    --> src/codegen.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     String(String),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]    --> src/codegen.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     Bool(bool),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eq`
[INFO] [stdout]    --> src/codegen.rs:213:5
[INFO] [stdout]     |
[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]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "a0a6d281ba3877b56837f01092ec09da9702fc917842602c5c0247148196cd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a6d281ba3877b56837f01092ec09da9702fc917842602c5c0247148196cd3f", kill_on_drop: false }`
[INFO] [stdout] a0a6d281ba3877b56837f01092ec09da9702fc917842602c5c0247148196cd3f