[INFO] cloning repository https://github.com/ear7h/lang1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ear7h/lang1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Flang1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Flang1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48ac9b1d2d31407c49e591001d476d43da9993ed
[INFO] checking ear7h/lang1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Flang1" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ear7h/lang1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ear7h/lang1
[INFO] finished tweaking git repo https://github.com/ear7h/lang1
[INFO] tweaked toml for git repo https://github.com/ear7h/lang1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ear7h/lang1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91dd5c06e4b994816443d6408d8d9fcffe4a87c18d76c1b66abf443249a812df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91dd5c06e4b994816443d6408d8d9fcffe4a87c18d76c1b66abf443249a812df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91dd5c06e4b994816443d6408d8d9fcffe4a87c18d76c1b66abf443249a812df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dd5c06e4b994816443d6408d8d9fcffe4a87c18d76c1b66abf443249a812df", kill_on_drop: false }`
[INFO] [stdout] 91dd5c06e4b994816443d6408d8d9fcffe4a87c18d76c1b66abf443249a812df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44047092663aa559c899295cd749ad2857e07a55b35389124ed6a3fa6c478d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a44047092663aa559c899295cd749ad2857e07a55b35389124ed6a3fa6c478d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lang1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `ObjectBuilder`
[INFO] [stdout]   --> src/arch/mod.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub type ObjectBuilder = InstructionWriter;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]  --> src/ir.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Function {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `var_size`
[INFO] [stdout]   --> src/ir.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn var_size(&self, name : &str) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Operation`
[INFO] [stdout]   --> src/ir.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum Operation {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Val`
[INFO] [stdout]   --> src/ir.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub enum Val {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OpSize`
[INFO] [stdout]   --> src/ir.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum OpSize {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Sign`
[INFO] [stdout]   --> src/ir.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub enum Sign {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ObjectBuilder`
[INFO] [stdout]   --> src/arch/mod.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub type ObjectBuilder = InstructionWriter;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]  --> src/ir.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Function {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `var_size`
[INFO] [stdout]   --> src/ir.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn var_size(&self, name : &str) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Operation`
[INFO] [stdout]   --> src/ir.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum Operation {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Val`
[INFO] [stdout]   --> src/ir.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub enum Val {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OpSize`
[INFO] [stdout]   --> src/ir.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum OpSize {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Sign`
[INFO] [stdout]   --> src/ir.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub enum Sign {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]  --> src/bin/test_cmp.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Stdio,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]  --> src/bin/test_cmp.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Stdio,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "a44047092663aa559c899295cd749ad2857e07a55b35389124ed6a3fa6c478d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44047092663aa559c899295cd749ad2857e07a55b35389124ed6a3fa6c478d3", kill_on_drop: false }`
[INFO] [stdout] a44047092663aa559c899295cd749ad2857e07a55b35389124ed6a3fa6c478d3