[INFO] updating cached repository https://github.com/kmeisthax/retrogram
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/kmeisthax/retrogram
[INFO] [stderr]    0a0faca..4b60cb2  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b60cb2a6d858543bafa14adbbcde975ba3e12c2
[INFO] checking kmeisthax/retrogram against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmeisthax%2Fretrogram" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmeisthax/retrogram on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kmeisthax/retrogram
[INFO] finished tweaking git repo https://github.com/kmeisthax/retrogram
[INFO] tweaked toml for git repo https://github.com/kmeisthax/retrogram written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kmeisthax/retrogram already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 56c5207356f41e0d46d37a6a052641742541e0d8c08172404c588cd8e3450b57
[INFO] running `"docker" "start" "-a" "56c5207356f41e0d46d37a6a052641742541e0d8c08172404c588cd8e3450b57"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_plain v0.3.0
[INFO] [stderr]     Checking retrogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/memory/bss.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn new(context: &'static str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `exec_memtype`
[INFO] [stderr]   --> src/memory/region.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     exec_memtype: Behavior,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trace_until_fork`
[INFO] [stderr]   --> src/analysis/dynamic.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn trace_until_fork<RK, I, SI, F, P, MV, S, IO>(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Register`
[INFO] [stderr]   --> src/arch/w65c816.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum Register {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `op_fullptr_index_y`
[INFO] [stderr]    --> src/arch/w65c816.rs:197:4
[INFO] [stderr]     |
[INFO] [stderr] 197 | fn op_fullptr_index_y(p: &memory::Pointer<Pointer>, bus: &Bus) -> Vec<Operand> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `known_or_none`
[INFO] [stderr]   --> src/platform/sfc.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn known_or_none(self) -> Option<PlatformVariant> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/memory/bss.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn new(context: &'static str) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `exec_memtype`
[INFO] [stderr]   --> src/memory/region.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     exec_memtype: Behavior,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trace_until_fork`
[INFO] [stderr]   --> src/analysis/dynamic.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn trace_until_fork<RK, I, SI, F, P, MV, S, IO>(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Register`
[INFO] [stderr]   --> src/arch/w65c816.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum Register {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `op_fullptr_index_y`
[INFO] [stderr]    --> src/arch/w65c816.rs:197:4
[INFO] [stderr]     |
[INFO] [stderr] 197 | fn op_fullptr_index_y(p: &memory::Pointer<Pointer>, bus: &Bus) -> Vec<Operand> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `known_or_none`
[INFO] [stderr]   --> src/platform/sfc.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn known_or_none(self) -> Option<PlatformVariant> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.48s
[INFO] running `"docker" "inspect" "56c5207356f41e0d46d37a6a052641742541e0d8c08172404c588cd8e3450b57"`
[INFO] running `"docker" "rm" "-f" "56c5207356f41e0d46d37a6a052641742541e0d8c08172404c588cd8e3450b57"`
[INFO] [stdout] 56c5207356f41e0d46d37a6a052641742541e0d8c08172404c588cd8e3450b57