[INFO] cloning repository https://github.com/jonayerdi/bfi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonayerdi/bfi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonayerdi%2Fbfi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonayerdi%2Fbfi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4edf03c8bdb771d1c67fcd7d49cd98afa94985c0
[INFO] checking jonayerdi/bfi against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonayerdi%2Fbfi" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonayerdi/bfi on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jonayerdi/bfi
[INFO] finished tweaking git repo https://github.com/jonayerdi/bfi
[INFO] tweaked toml for git repo https://github.com/jonayerdi/bfi written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jonayerdi/bfi 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6ccc6e00f433059cccc073280897fe513b1e4116b16df3a927d3fbe18776c10
[INFO] running `Command { std: "docker" "start" "-a" "f6ccc6e00f433059cccc073280897fe513b1e4116b16df3a927d3fbe18776c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6ccc6e00f433059cccc073280897fe513b1e4116b16df3a927d3fbe18776c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ccc6e00f433059cccc073280897fe513b1e4116b16df3a927d3fbe18776c10", kill_on_drop: false }`
[INFO] [stdout] f6ccc6e00f433059cccc073280897fe513b1e4116b16df3a927d3fbe18776c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb1d9204bdcb74fe57c6ae659656e3526f9cc3dfc908d941debde585a061e210
[INFO] running `Command { std: "docker" "start" "-a" "eb1d9204bdcb74fe57c6ae659656e3526f9cc3dfc908d941debde585a061e210", kill_on_drop: false }`
[INFO] [stderr]     Checking bfi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/config.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum NegativeRegisterMode {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] 22 |     Allow,
[INFO] [stdout] 23 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Finite` is never constructed
[INFO] [stdout]   --> src/config.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum RegistersMode {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 33 |     Infinite,
[INFO] [stdout] 34 |     Finite(usize),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/config.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum OverflowMode {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 44 |     Wrap,
[INFO] [stdout] 45 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Unchanged` and `Error` are never constructed
[INFO] [stdout]   --> src/config.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum InputErrorMode {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 55 |     Value(u8),
[INFO] [stdout] 56 |     Unchanged,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 57 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/config.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum OutputErrorMode {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 67 |     Ignore,
[INFO] [stdout] 68 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> src/decode.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn decode(byte: u8, dump_state: bool) -> Option<Instruction> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `instructions` is never used
[INFO] [stdout]   --> src/decode.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn instructions<I>(iter: I, dump_state: bool) -> Vec<Instruction>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/config.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum NegativeRegisterMode {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] 22 |     Allow,
[INFO] [stdout] 23 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Finite` is never constructed
[INFO] [stdout]   --> src/config.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum RegistersMode {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 33 |     Infinite,
[INFO] [stdout] 34 |     Finite(usize),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/config.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum OverflowMode {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 44 |     Wrap,
[INFO] [stdout] 45 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Unchanged` and `Error` are never constructed
[INFO] [stdout]   --> src/config.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum InputErrorMode {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 55 |     Value(u8),
[INFO] [stdout] 56 |     Unchanged,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 57 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/config.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum OutputErrorMode {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] 67 |     Ignore,
[INFO] [stdout] 68 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "eb1d9204bdcb74fe57c6ae659656e3526f9cc3dfc908d941debde585a061e210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1d9204bdcb74fe57c6ae659656e3526f9cc3dfc908d941debde585a061e210", kill_on_drop: false }`
[INFO] [stdout] eb1d9204bdcb74fe57c6ae659656e3526f9cc3dfc908d941debde585a061e210