[INFO] updating cached repository https://github.com/th0razine/symfind-macho
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8ed6e1ab02abfb72278786d39e22eb32d4ae2bd
[INFO] checking th0razine/symfind-macho against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0razine%2Fsymfind-macho" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/th0razine/symfind-macho on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/th0razine/symfind-macho
[INFO] finished tweaking git repo https://github.com/th0razine/symfind-macho
[INFO] tweaked toml for git repo https://github.com/th0razine/symfind-macho written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/th0razine/symfind-macho already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 5cb7ae773a5a83a4e1ba6df4ea01a1aa71c1847517ee31d3be6ce28634816e4e
[INFO] running `"docker" "start" "-a" "5cb7ae773a5a83a4e1ba6df4ea01a1aa71c1847517ee31d3be6ce28634816e4e"`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking mach_object v0.1.13
[INFO] [stderr]     Checking symfind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `SymbolIter`, `Symbol`
[INFO] [stderr]  --> src/main.rs:3:69
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mach_object::{OFile, CPU_TYPE_X86_64, MachCommand, LoadCommand, SymbolIter, Symbol};
[INFO] [stderr]   |                                                                     ^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symcur`
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_symcur`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[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: unused imports: `SymbolIter`, `Symbol`
[INFO] [stderr]  --> src/main.rs:3:69
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mach_object::{OFile, CPU_TYPE_X86_64, MachCommand, LoadCommand, SymbolIter, Symbol};
[INFO] [stderr]   |                                                                     ^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symcur`
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_symcur`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmdsize`
[INFO] [stderr]   --> src/main.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stderr]    |                                   ^^^^^^^ help: consider prefixing with an underscore: `_cmdsize`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `"docker" "inspect" "5cb7ae773a5a83a4e1ba6df4ea01a1aa71c1847517ee31d3be6ce28634816e4e"`
[INFO] running `"docker" "rm" "-f" "5cb7ae773a5a83a4e1ba6df4ea01a1aa71c1847517ee31d3be6ce28634816e4e"`
[INFO] [stdout] 5cb7ae773a5a83a4e1ba6df4ea01a1aa71c1847517ee31d3be6ce28634816e4e