[INFO] cloning repository https://github.com/th0razine/symfind-macho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/th0razine/symfind-macho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0razine%2Fsymfind-macho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0razine%2Fsymfind-macho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8ed6e1ab02abfb72278786d39e22eb32d4ae2bd
[INFO] checking th0razine/symfind-macho against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0razine%2Fsymfind-macho" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/th0razine/symfind-macho on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] crate git repo https://github.com/th0razine/symfind-macho already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach_object v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad1a194acfd6f0f17f3a8e2a78e1501b426f6b49294f931f3cfa98289a47ad59
[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" "ad1a194acfd6f0f17f3a8e2a78e1501b426f6b49294f931f3cfa98289a47ad59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad1a194acfd6f0f17f3a8e2a78e1501b426f6b49294f931f3cfa98289a47ad59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1a194acfd6f0f17f3a8e2a78e1501b426f6b49294f931f3cfa98289a47ad59", kill_on_drop: false }`
[INFO] [stdout] ad1a194acfd6f0f17f3a8e2a78e1501b426f6b49294f931f3cfa98289a47ad59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8212ae779e1827d2e751c4dc90d21ad766aed2dddc52d86a6fa9aa4e4d957b99
[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" "8212ae779e1827d2e751c4dc90d21ad766aed2dddc52d86a6fa9aa4e4d957b99", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mach_object v0.1.13
[INFO] [stderr]     Checking symfind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SymbolIter`, `Symbol`
[INFO] [stdout]  --> src/main.rs:3:69
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mach_object::{OFile, CPU_TYPE_X86_64, MachCommand, LoadCommand, SymbolIter, Symbol};
[INFO] [stdout]   |                                                                     ^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SymbolIter`, `Symbol`
[INFO] [stdout]  --> src/main.rs:3:69
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mach_object::{OFile, CPU_TYPE_X86_64, MachCommand, LoadCommand, SymbolIter, Symbol};
[INFO] [stdout]   |                                                                     ^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symcur`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symcur`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmdsize`
[INFO] [stdout]   --> src/main.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdsize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmdsize`
[INFO] [stdout]   --> src/main.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdsize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symcur`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symcur`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmdsize`
[INFO] [stdout]   --> src/main.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdsize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmdsize`
[INFO] [stdout]   --> src/main.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for &MachCommand(ref cmd, cmdsize) in commands {
[INFO] [stdout]    |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdsize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut symcur = Cursor::new(&buf[..size]);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.14s
[INFO] running `Command { std: "docker" "inspect" "8212ae779e1827d2e751c4dc90d21ad766aed2dddc52d86a6fa9aa4e4d957b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8212ae779e1827d2e751c4dc90d21ad766aed2dddc52d86a6fa9aa4e4d957b99", kill_on_drop: false }`
[INFO] [stdout] 8212ae779e1827d2e751c4dc90d21ad766aed2dddc52d86a6fa9aa4e4d957b99