[INFO] cloning repository https://github.com/HectorPeeters/dyno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HectorPeeters/dyno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorPeeters%2Fdyno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorPeeters%2Fdyno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 593fe28e58d0804f08a156f63c18eb18a593a53c
[INFO] checking HectorPeeters/dyno against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorPeeters%2Fdyno" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HectorPeeters/dyno on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HectorPeeters/dyno
[INFO] finished tweaking git repo https://github.com/HectorPeeters/dyno
[INFO] tweaked toml for git repo https://github.com/HectorPeeters/dyno written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/HectorPeeters/dyno already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7511b0148cd940df95d9bbc6893392e220133739a84aa6946bcfc9c847f7e710
[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" "7511b0148cd940df95d9bbc6893392e220133739a84aa6946bcfc9c847f7e710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7511b0148cd940df95d9bbc6893392e220133739a84aa6946bcfc9c847f7e710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7511b0148cd940df95d9bbc6893392e220133739a84aa6946bcfc9c847f7e710", kill_on_drop: false }`
[INFO] [stdout] 7511b0148cd940df95d9bbc6893392e220133739a84aa6946bcfc9c847f7e710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b317aa541cecef92e2481497c1e535a175f132c551430efe181e975a8e54cdf
[INFO] running `Command { std: "docker" "start" "-a" "8b317aa541cecef92e2481497c1e535a175f132c551430efe181e975a8e54cdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking dyno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op_type`
[INFO] [stdout]   --> src/backend/x86_backend.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         op_type: &BinaryOperationType,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/backend/x86_backend.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         left: &Expression,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/backend/x86_backend.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         right: &Expression,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/backend/x86_backend.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         expression: &Expression,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value_type`
[INFO] [stdout]    --> src/backend/x86_backend.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         value_type: &DynoType,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/backend/x86_backend.rs:139:39
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn generate_identifier(&mut self, name: &str) -> DynoResult<Register> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/backend/x86_backend.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         condition: &Expression,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `true_statement`
[INFO] [stdout]    --> src/backend/x86_backend.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         true_statement: &Statement,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_true_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/backend/x86_backend.rs:151:34
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn generate_while(&mut self, condition: &Expression, body: &Statement) -> DynoResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/backend/x86_backend.rs:151:58
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn generate_while(&mut self, condition: &Expression, body: &Statement) -> DynoResult<()> {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/backend/x86_backend.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn generate_block(&mut self, children: &[Statement]) -> DynoResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/backend/x86_backend.rs:168:40
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn generate_declaration(&mut self, name: &str, value_type: &DynoType) -> DynoResult<()> {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value_type`
[INFO] [stdout]    --> src/backend/x86_backend.rs:168:52
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn generate_declaration(&mut self, name: &str, value_type: &DynoType) -> DynoResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/backend/x86_backend.rs:172:39
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn generate_assignment(&mut self, name: &str, expression: &Expression) -> DynoResult<()> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/backend/x86_backend.rs:172:51
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn generate_assignment(&mut self, name: &str, expression: &Expression) -> DynoResult<()> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate_block`
[INFO] [stdout]    --> src/backend/x86_backend.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn generate_block(&mut self, children: &[Statement]) -> DynoResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_type`
[INFO] [stdout]   --> src/backend/x86_backend.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         op_type: &BinaryOperationType,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/backend/x86_backend.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         left: &Expression,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/backend/x86_backend.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         right: &Expression,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/backend/x86_backend.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         expression: &Expression,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value_type`
[INFO] [stdout]    --> src/backend/x86_backend.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         value_type: &DynoType,
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/backend/x86_backend.rs:139:39
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn generate_identifier(&mut self, name: &str) -> DynoResult<Register> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/backend/x86_backend.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         condition: &Expression,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `true_statement`
[INFO] [stdout]    --> src/backend/x86_backend.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         true_statement: &Statement,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_true_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/backend/x86_backend.rs:151:34
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn generate_while(&mut self, condition: &Expression, body: &Statement) -> DynoResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/backend/x86_backend.rs:151:58
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn generate_while(&mut self, condition: &Expression, body: &Statement) -> DynoResult<()> {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `children`
[INFO] [stdout]    --> src/backend/x86_backend.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn generate_block(&mut self, children: &[Statement]) -> DynoResult<()> {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_children`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/backend/x86_backend.rs:168:40
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn generate_declaration(&mut self, name: &str, value_type: &DynoType) -> DynoResult<()> {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value_type`
[INFO] [stdout]    --> src/backend/x86_backend.rs:168:52
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn generate_declaration(&mut self, name: &str, value_type: &DynoType) -> DynoResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/backend/x86_backend.rs:172:39
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn generate_assignment(&mut self, name: &str, expression: &Expression) -> DynoResult<()> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/backend/x86_backend.rs:172:51
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn generate_assignment(&mut self, name: &str, expression: &Expression) -> DynoResult<()> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `generate_block`
[INFO] [stdout]    --> src/backend/x86_backend.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn generate_block(&mut self, children: &[Statement]) -> DynoResult<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "8b317aa541cecef92e2481497c1e535a175f132c551430efe181e975a8e54cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b317aa541cecef92e2481497c1e535a175f132c551430efe181e975a8e54cdf", kill_on_drop: false }`
[INFO] [stdout] 8b317aa541cecef92e2481497c1e535a175f132c551430efe181e975a8e54cdf