[INFO] fetching crate smlang 0.2.0...
[INFO] checking smlang-0.2.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate smlang 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate smlang 0.2.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate smlang 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate smlang 0.2.0
[INFO] tweaked toml for crates.io crate smlang 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate smlang 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b4e9dec0185c7a9c615efb0590b4843693a5715a2e1ed71dd720be33e4b9b57
[INFO] running `"docker" "start" "-a" "5b4e9dec0185c7a9c615efb0590b4843693a5715a2e1ed71dd720be33e4b9b57"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling compiletest_rs v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling smlang-macros v0.1.3
[INFO] [stderr]     Checking smlang v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr] warning: unused variable: `sm`
[INFO] [stderr]   --> examples/ex4.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut sm = StateMachine::new(Context);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_data`
[INFO] [stderr]   --> examples/ex4.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn guard1(&self, event_data: &u32) -> bool {
[INFO] [stderr]    |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state_data`
[INFO] [stderr]   --> examples/ex4.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn guard2(&self, state_data: &i8, event_data: &i32) -> bool {
[INFO] [stderr]    |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_data`
[INFO] [stderr]   --> examples/ex4.rs:21:39
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn guard2(&self, state_data: &i8, event_data: &i32) -> bool {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_data`
[INFO] [stderr]   --> examples/ex4.rs:25:27
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn action1(&mut self, event_data: &u32) -> i8 {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state_data`
[INFO] [stderr]   --> examples/ex4.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn action2(&mut self, state_data: &i8, event_data: &i32) {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event_data`
[INFO] [stderr]   --> examples/ex4.rs:29:44
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn action2(&mut self, state_data: &i8, event_data: &i32) {
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/ex4.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut sm = StateMachine::new(Context);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_mode`
[INFO] [stderr]  --> tests/compiletest.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn run_mode(mode: &'static str) {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.06s
[INFO] running `"docker" "inspect" "5b4e9dec0185c7a9c615efb0590b4843693a5715a2e1ed71dd720be33e4b9b57"`
[INFO] running `"docker" "rm" "-f" "5b4e9dec0185c7a9c615efb0590b4843693a5715a2e1ed71dd720be33e4b9b57"`
[INFO] [stdout] 5b4e9dec0185c7a9c615efb0590b4843693a5715a2e1ed71dd720be33e4b9b57