[INFO] cloning repository https://github.com/didinele/bf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/didinele/bf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidinele%2Fbf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidinele%2Fbf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db602724e84644f098870c518cf5c9d412fa960e
[INFO] checking didinele/bf-rs against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidinele%2Fbf-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/didinele/bf-rs
[INFO] finished tweaking git repo https://github.com/didinele/bf-rs
[INFO] tweaked toml for git repo https://github.com/didinele/bf-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/didinele/bf-rs on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/didinele/bf-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71afd5b34cd2bee17599f8b4f964b3b4f8ee38f3ece3de64da6c36b2d20d1dd4
[INFO] running `Command { std: "docker" "start" "-a" "71afd5b34cd2bee17599f8b4f964b3b4f8ee38f3ece3de64da6c36b2d20d1dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71afd5b34cd2bee17599f8b4f964b3b4f8ee38f3ece3de64da6c36b2d20d1dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71afd5b34cd2bee17599f8b4f964b3b4f8ee38f3ece3de64da6c36b2d20d1dd4", kill_on_drop: false }`
[INFO] [stdout] 71afd5b34cd2bee17599f8b4f964b3b4f8ee38f3ece3de64da6c36b2d20d1dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8b681a7936ed22dffa86b6176f47eb3db56634e49e3c683255209893bcc0c1e
[INFO] running `Command { std: "docker" "start" "-a" "d8b681a7936ed22dffa86b6176f47eb3db56634e49e3c683255209893bcc0c1e", kill_on_drop: false }`
[INFO] [stderr]     Checking bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `index` and `ch` are never read
[INFO] [stdout]   --> src/parser.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Instruction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 15 |     pub kind: InstructionKind,
[INFO] [stdout] 16 |     pub index: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     pub ch: char,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, 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: fields `index` and `ch` are never read
[INFO] [stdout]   --> src/parser.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Instruction {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 15 |     pub kind: InstructionKind,
[INFO] [stdout] 16 |     pub index: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 17 |     pub ch: char,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, 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 0.27s
[INFO] running `Command { std: "docker" "inspect" "d8b681a7936ed22dffa86b6176f47eb3db56634e49e3c683255209893bcc0c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b681a7936ed22dffa86b6176f47eb3db56634e49e3c683255209893bcc0c1e", kill_on_drop: false }`
[INFO] [stdout] d8b681a7936ed22dffa86b6176f47eb3db56634e49e3c683255209893bcc0c1e