[INFO] cloning repository https://github.com/grigoryk/toy8080 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grigoryk/toy8080" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a304ce88d9bc97a3f5ff93908784dc73ac4f2c9a [INFO] checking grigoryk/toy8080 against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grigoryk/toy8080 on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/grigoryk/toy8080 [INFO] finished tweaking git repo https://github.com/grigoryk/toy8080 [INFO] tweaked toml for git repo https://github.com/grigoryk/toy8080 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/grigoryk/toy8080 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking grigoryk/toy8080 against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grigoryk/toy8080 on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/grigoryk/toy8080 [INFO] finished tweaking git repo https://github.com/grigoryk/toy8080 [INFO] tweaked toml for git repo https://github.com/grigoryk/toy8080 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/grigoryk/toy8080 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" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c031b72a9a24aa8ba64e98fd79165208fd68d53f768121b9849de6cee14c836e [INFO] running `Command { std: "docker" "start" "-a" "c031b72a9a24aa8ba64e98fd79165208fd68d53f768121b9849de6cee14c836e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c031b72a9a24aa8ba64e98fd79165208fd68d53f768121b9849de6cee14c836e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c031b72a9a24aa8ba64e98fd79165208fd68d53f768121b9849de6cee14c836e", kill_on_drop: false }` [INFO] [stdout] c031b72a9a24aa8ba64e98fd79165208fd68d53f768121b9849de6cee14c836e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ddf4cc82052142db8b24b46f0eed755c6958ca8637a9c92545d02d0a9a8d274 [INFO] running `Command { std: "docker" "start" "-a" "6ddf4cc82052142db8b24b46f0eed755c6958ca8637a9c92545d02d0a9a8d274", kill_on_drop: false }` [INFO] [stderr] Checking toy8080 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `Register` is never used [INFO] [stdout] --> src/state.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Register { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Register` 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: fields `s`, `z`, `p`, `c`, and `ac` are never read [INFO] [stdout] --> src/state.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Flags { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 12 | pub s: bool, // sign [INFO] [stdout] | ^ [INFO] [stdout] 13 | pub z: bool, // zero [INFO] [stdout] | ^ [INFO] [stdout] 14 | pub p: bool, // parity [INFO] [stdout] | ^ [INFO] [stdout] 15 | pub c: bool, // carry [INFO] [stdout] | ^ [INFO] [stdout] 16 | pub ac: bool // aux carry [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> src/state.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Registers { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pub a: u8, // accumulator [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `flags` is never read [INFO] [stdout] --> src/state.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct State { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub flags: Flags, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/instructions.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | Push(RegisterPair), [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 30 - Push(RegisterPair), [INFO] [stdout] 30 + Push(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Di` and `Unused` are never constructed [INFO] [stdout] --> src/instructions.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub enum Cmd { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 98 | Di, // special [INFO] [stdout] | ^^ [INFO] [stdout] 99 | Unused, // ??? [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Register` is never used [INFO] [stdout] --> src/state.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Register { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Register` 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: fields `s`, `z`, `p`, `c`, and `ac` are never read [INFO] [stdout] --> src/state.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Flags { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 12 | pub s: bool, // sign [INFO] [stdout] | ^ [INFO] [stdout] 13 | pub z: bool, // zero [INFO] [stdout] | ^ [INFO] [stdout] 14 | pub p: bool, // parity [INFO] [stdout] | ^ [INFO] [stdout] 15 | pub c: bool, // carry [INFO] [stdout] | ^ [INFO] [stdout] 16 | pub ac: bool // aux carry [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> src/state.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Registers { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | pub a: u8, // accumulator [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `flags` is never read [INFO] [stdout] --> src/state.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct State { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub flags: Flags, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/instructions.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | Push(RegisterPair), [INFO] [stdout] | ---- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 30 - Push(RegisterPair), [INFO] [stdout] 30 + Push(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Di` and `Unused` are never constructed [INFO] [stdout] --> src/instructions.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub enum Cmd { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 98 | Di, // special [INFO] [stdout] | ^^ [INFO] [stdout] 99 | Unused, // ??? [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cmd` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "6ddf4cc82052142db8b24b46f0eed755c6958ca8637a9c92545d02d0a9a8d274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ddf4cc82052142db8b24b46f0eed755c6958ca8637a9c92545d02d0a9a8d274", kill_on_drop: false }` [INFO] [stdout] 6ddf4cc82052142db8b24b46f0eed755c6958ca8637a9c92545d02d0a9a8d274