[INFO] cloning repository https://github.com/freewaffle/grad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/freewaffle/grad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreewaffle%2Fgrad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreewaffle%2Fgrad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03298f1b5388d333a26b16fc30c55e15c64d7b56
[INFO] testing freewaffle/grad against 1.99.0-beta.8 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreewaffle%2Fgrad" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/freewaffle/grad
[INFO] finished tweaking git repo https://github.com/freewaffle/grad
[INFO] tweaked toml for git repo https://github.com/freewaffle/grad written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/freewaffle/grad on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/freewaffle/grad 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522
[INFO] running `Command { std: "docker" "start" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling grad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `fetch`
[INFO] [stdout]   --> src/vm.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 | macro_rules! fetch {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `pack`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | macro_rules! pack {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `error`
[INFO] [stdout]   --> src/main.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |             macro_rules! error {
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `check_register_ptr`
[INFO] [stdout]   --> src/main.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |             macro_rules! check_register_ptr {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `check_closure_ptr`
[INFO] [stdout]   --> src/main.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |             macro_rules! check_closure_ptr {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut succeed = true;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     for (cc, closure) in closures.iter().enumerate() {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]   --> src/main.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for (pc, instr) in closure.iter().enumerate() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]   --> src/main.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for (pc, instr) in closure.iter().enumerate() {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling grad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `fetch`
[INFO] [stdout]   --> src/vm.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 | macro_rules! fetch {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `pack`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | macro_rules! pack {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `error`
[INFO] [stdout]   --> src/main.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |             macro_rules! error {
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `check_register_ptr`
[INFO] [stdout]   --> src/main.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |             macro_rules! check_register_ptr {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `check_closure_ptr`
[INFO] [stdout]   --> src/main.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |             macro_rules! check_closure_ptr {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut succeed = true;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cc`
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     for (cc, closure) in closures.iter().enumerate() {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]   --> src/main.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for (pc, instr) in closure.iter().enumerate() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]   --> src/main.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for (pc, instr) in closure.iter().enumerate() {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition: `fetch`
[INFO] [stderr]   --> src/vm.rs:65:14
[INFO] [stderr]    |
[INFO] [stderr] 65 | macro_rules! fetch {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `pack`
[INFO] [stderr]  --> src/main.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | macro_rules! pack {
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `error`
[INFO] [stderr]   --> src/main.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |             macro_rules! error {
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `check_register_ptr`
[INFO] [stderr]   --> src/main.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |             macro_rules! check_register_ptr {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `check_closure_ptr`
[INFO] [stderr]   --> src/main.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |             macro_rules! check_closure_ptr {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut succeed = true;
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cc`
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |     for (cc, closure) in closures.iter().enumerate() {
[INFO] [stderr]    |          ^^ help: if this is intentional, prefix it with an underscore: `_cc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pc`
[INFO] [stderr]   --> src/main.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |         for (pc, instr) in closure.iter().enumerate() {
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `instr`
[INFO] [stderr]   --> src/main.rs:39:18
[INFO] [stderr]    |
[INFO] [stderr] 39 |         for (pc, instr) in closure.iter().enumerate() {
[INFO] [stderr]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stderr] 
[INFO] [stderr] warning: `grad` (bin "grad" test) generated 9 warnings (run `cargo fix --bin "grad" -p grad --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grad-f29f1aeffef61f6f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522", kill_on_drop: false }`
[INFO] [stdout] b11f371b2627ee4bcf5691fdbe7c82af9ce27a66bb18abc372f117be1843d522
