[INFO] cloning repository https://github.com/spiel0meister/bf-compiler.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spiel0meister/bf-compiler.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspiel0meister%2Fbf-compiler.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspiel0meister%2Fbf-compiler.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3929f01c2ceaae8be46972963e40434d163bbc81
[INFO] checking spiel0meister/bf-compiler.rs against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspiel0meister%2Fbf-compiler.rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/spiel0meister/bf-compiler.rs
[INFO] finished tweaking git repo https://github.com/spiel0meister/bf-compiler.rs
[INFO] tweaked toml for git repo https://github.com/spiel0meister/bf-compiler.rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/spiel0meister/bf-compiler.rs on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/spiel0meister/bf-compiler.rs 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0876aa7046d97f67f6ba0bc34e80df420b0b6db20800365843d8cf9dfc0c48cf
[INFO] running `Command { std: "docker" "start" "-a" "0876aa7046d97f67f6ba0bc34e80df420b0b6db20800365843d8cf9dfc0c48cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0876aa7046d97f67f6ba0bc34e80df420b0b6db20800365843d8cf9dfc0c48cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0876aa7046d97f67f6ba0bc34e80df420b0b6db20800365843d8cf9dfc0c48cf", kill_on_drop: false }`
[INFO] [stdout] 0876aa7046d97f67f6ba0bc34e80df420b0b6db20800365843d8cf9dfc0c48cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb6c23f27a0d8434209741a29b153efc0e86c8f06a523996dbd92729b5c3f998
[INFO] running `Command { std: "docker" "start" "-a" "cb6c23f27a0d8434209741a29b153efc0e86c8f06a523996dbd92729b5c3f998", kill_on_drop: false }`
[INFO] [stderr]     Checking bf-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/tokenizer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Error, ErrorKind};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread::current`
[INFO] [stdout]  --> src/interpreter.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io::{self, Error, ErrorKind}, thread::current, usize};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]  --> src/tokenizer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Error, ErrorKind};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread::current`
[INFO] [stdout]  --> src/interpreter.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io::{self, Error, ErrorKind}, thread::current, usize};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/tokenizer.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 16 |     pub token_type: TokenType,
[INFO] [stdout] 17 |     pub value: String
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/tokenizer.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 16 |     pub token_type: TokenType,
[INFO] [stdout] 17 |     pub value: String
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "cb6c23f27a0d8434209741a29b153efc0e86c8f06a523996dbd92729b5c3f998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6c23f27a0d8434209741a29b153efc0e86c8f06a523996dbd92729b5c3f998", kill_on_drop: false }`
[INFO] [stdout] cb6c23f27a0d8434209741a29b153efc0e86c8f06a523996dbd92729b5c3f998