[INFO] fetching crate mars 0.0.0...
[INFO] checking mars-0.0.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate mars 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mars 0.0.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mars 0.0.0
[INFO] finished tweaking crates.io crate mars 0.0.0
[INFO] tweaked toml for crates.io crate mars 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 145d62df50d404e96445ca75e29edd19ade6b93145b8ff947ca32a4814501dcd
[INFO] running `"docker" "start" "-a" "145d62df50d404e96445ca75e29edd19ade6b93145b8ff947ca32a4814501dcd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking mars v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/mars/mod.rs:191:33
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 rpa = self.fold((rpa + self.core[((self.pc + rpa) % self.core_size)].b_number),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/mars/mod.rs:193:33
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 wpa = self.fold((wpa + self.core[((self.pc + wpa) % self.core_size)].b_number),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/mars/mod.rs:191:33
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 rpa = self.fold((rpa + self.core[((self.pc + rpa) % self.core_size)].b_number),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/mars/mod.rs:193:33
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 wpa = self.fold((wpa + self.core[((self.pc + wpa) % self.core_size)].b_number),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ira`
[INFO] [stderr]    --> src/mars/mod.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let ira: Instruction;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_ira`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `irb`
[INFO] [stderr]    --> src/mars/mod.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let irb: Instruction;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_irb`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rpb`
[INFO] [stderr]    --> src/mars/mod.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let rpb: Address;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_rpb`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wpb`
[INFO] [stderr]    --> src/mars/mod.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let wpb: Address;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_wpb`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pip` is assigned to, but never used
[INFO] [stderr]    --> src/mars/mod.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let pip: Address;
[INFO] [stderr]     |             ^^^
[INFO] [stderr] warning: unused variable: `ira`
[INFO] [stderr]    --> src/mars/mod.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let ira: Instruction;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_ira`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `irb`
[INFO] [stderr]    --> src/mars/mod.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let irb: Instruction;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_irb`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rpb`
[INFO] [stderr]    --> src/mars/mod.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let rpb: Address;
[INFO] [stderr]     |
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_rpb`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wpb`
[INFO] [stderr]    --> src/mars/mod.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let wpb: Address;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_wpb`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pip` is assigned to, but never used
[INFO] [stderr]    --> src/mars/mod.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let pip: Address;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_pip` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |             rpa = 0;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             wpa = 0;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pip` is never read
[INFO] [stderr]    --> src/mars/mod.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 |                     pip = (self.pc + wpa) % self.core_size;
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:191:17
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 rpa = self.fold((rpa + self.core[((self.pc + rpa) % self.core_size)].b_number),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 wpa = self.fold((wpa + self.core[((self.pc + wpa) % self.core_size)].b_number),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     = note: consider using `_pip` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |             rpa = 0;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             wpa = 0;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pip` is never read
[INFO] [stderr]    --> src/mars/mod.rs:188:21
[INFO] [stderr]     |
[INFO] [stderr] 188 |                     pip = (self.pc + wpa) % self.core_size;
[INFO] [stderr]     |                     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:191:17
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 rpa = self.fold((rpa + self.core[((self.pc + rpa) % self.core_size)].b_number),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wpa` is never read
[INFO] [stderr]    --> src/mars/mod.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 wpa = self.fold((wpa + self.core[((self.pc + wpa) % self.core_size)].b_number),
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "145d62df50d404e96445ca75e29edd19ade6b93145b8ff947ca32a4814501dcd"`
[INFO] running `"docker" "rm" "-f" "145d62df50d404e96445ca75e29edd19ade6b93145b8ff947ca32a4814501dcd"`
[INFO] [stdout] 145d62df50d404e96445ca75e29edd19ade6b93145b8ff947ca32a4814501dcd