[INFO] cloning repository https://github.com/QlowB/zombie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QlowB/zombie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQlowB%2Fzombie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQlowB%2Fzombie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 207403c291b4b12dfcf048205e1883517ec56616
[INFO] checking QlowB/zombie against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQlowB%2Fzombie" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/QlowB/zombie
[INFO] finished tweaking git repo https://github.com/QlowB/zombie
[INFO] tweaked toml for git repo https://github.com/QlowB/zombie written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/QlowB/zombie on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/QlowB/zombie 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2536ce2e939491b0b8d004e35593a393eb011e688b16e846ee6e69e8ca07b3b
[INFO] running `Command { std: "docker" "start" "-a" "c2536ce2e939491b0b8d004e35593a393eb011e688b16e846ee6e69e8ca07b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2536ce2e939491b0b8d004e35593a393eb011e688b16e846ee6e69e8ca07b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2536ce2e939491b0b8d004e35593a393eb011e688b16e846ee6e69e8ca07b3b", kill_on_drop: false }`
[INFO] [stdout] c2536ce2e939491b0b8d004e35593a393eb011e688b16e846ee6e69e8ca07b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a4d2914dfd1a2975c78491efa601863ced9b1fff8279f3599d1b54b04581fa
[INFO] running `Command { std: "docker" "start" "-a" "71a4d2914dfd1a2975c78491efa601863ced9b1fff8279f3599d1b54b04581fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking typed-arena v1.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking memmap2 v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling dynasm v1.0.1
[INFO] [stderr]     Checking dynasmrt v1.0.1
[INFO] [stderr]     Checking zombie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add`, `Mul`, and `Sub`
[INFO] [stdout]  --> src/interpret.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::{Add, Mul, Sub};
[INFO] [stdout]   |                ^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CellSize`
[INFO] [stdout]  --> src/compile.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::options::{Options, CellLayout, CellSize};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Mul`, and `Sub`
[INFO] [stdout]  --> src/interpret.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::{Add, Mul, Sub};
[INFO] [stdout]   |                ^^^  ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CellSize`
[INFO] [stdout]  --> src/compile.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::options::{Options, CellLayout, CellSize};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/options.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Err(e) => match s {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/options.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |             Err(e) => match s {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]   --> src/compile.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn compile_cfg<'a>(cfg: Vec<optimize::DfInstr<'a>>) -> Box<fn (*mut u8) -> ()> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]   --> src/compile.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn compile_cfg<'a>(cfg: Vec<optimize::DfInstr<'a>>) -> Box<fn (*mut u8) -> ()> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset_creator`
[INFO] [stdout]   --> src/trans/c.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let offset_creator = |o: i64| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_creator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nop`
[INFO] [stdout]    --> src/trans/c.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn visit_nop(&mut self, nop: &Instruction) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_nop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset_creator`
[INFO] [stdout]   --> src/trans/c.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let offset_creator = |o: i64| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_creator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nop`
[INFO] [stdout]    --> src/trans/c.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn visit_nop(&mut self, nop: &Instruction) {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_nop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `BasicBlock` is never constructed
[INFO] [stdout]   --> src/optimize.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BasicBlock<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arena` is never read
[INFO] [stdout]   --> src/optimize.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BasicBlock<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 20 |     arena: &'a Arena<DfgNode<'a>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryState` is never constructed
[INFO] [stdout]    --> src/optimize.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct MemoryState {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CellState` is never used
[INFO] [stdout]    --> src/optimize.rs:167:6
[INFO] [stdout]     |
[INFO] [stdout] 167 | enum CellState {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opts` is never read
[INFO] [stdout]   --> src/compile.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct CodeGenerator<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 65 |     pub buffer: dynasmrt::x64::Assembler,
[INFO] [stdout] 66 |     opts: &'a Options
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `BasicBlock` is never constructed
[INFO] [stdout]   --> src/optimize.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BasicBlock<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arena` is never read
[INFO] [stdout]   --> src/optimize.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BasicBlock<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 20 |     arena: &'a Arena<DfgNode<'a>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemoryState` is never constructed
[INFO] [stdout]    --> src/optimize.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct MemoryState {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CellState` is never used
[INFO] [stdout]    --> src/optimize.rs:167:6
[INFO] [stdout]     |
[INFO] [stdout] 167 | enum CellState {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opts` is never read
[INFO] [stdout]   --> src/compile.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct CodeGenerator<'a> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 65 |     pub buffer: dynasmrt::x64::Assembler,
[INFO] [stdout] 66 |     opts: &'a Options
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compile.rs:272:43
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 ; mov rax, QWORD readbyte as _
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 ; mov rax, QWORD readbyte as *const () as _
[INFO] [stdout]     |                                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compile.rs:290:42
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 ; mov rax, QWORD putbyte as _
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 ; mov rax, QWORD putbyte as *const () as _
[INFO] [stdout]     |                                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compile.rs:272:43
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 ; mov rax, QWORD readbyte as _
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 ; mov rax, QWORD readbyte as *const () as _
[INFO] [stdout]     |                                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/compile.rs:290:42
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 ; mov rax, QWORD putbyte as _
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 ; mov rax, QWORD putbyte as *const () as _
[INFO] [stdout]     |                                          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zombie` (bin "zombie" test) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `zombie` (bin "zombie") due to 1 previous error; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "71a4d2914dfd1a2975c78491efa601863ced9b1fff8279f3599d1b54b04581fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a4d2914dfd1a2975c78491efa601863ced9b1fff8279f3599d1b54b04581fa", kill_on_drop: false }`
[INFO] [stdout] 71a4d2914dfd1a2975c78491efa601863ced9b1fff8279f3599d1b54b04581fa
