[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 master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fth0razine%2Fsymfind-macho" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/th0razine/symfind-macho on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2f6cd0a7a3ce75cbf1de8f6ce1559c5ccb7343d232c3782eb9635124d0e1d60
[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" "e2f6cd0a7a3ce75cbf1de8f6ce1559c5ccb7343d232c3782eb9635124d0e1d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f6cd0a7a3ce75cbf1de8f6ce1559c5ccb7343d232c3782eb9635124d0e1d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f6cd0a7a3ce75cbf1de8f6ce1559c5ccb7343d232c3782eb9635124d0e1d60", kill_on_drop: false }`
[INFO] [stdout] e2f6cd0a7a3ce75cbf1de8f6ce1559c5ccb7343d232c3782eb9635124d0e1d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4288d1f4ae3ea7a93d8ddd79437fd59877fd0905c9eb28c7f2b3b2fb37ff4b0a
[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" "4288d1f4ae3ea7a93d8ddd79437fd59877fd0905c9eb28c7f2b3b2fb37ff4b0a", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.std
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling bitflags v1.0.5
[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 variable: `symcur`
[INFO] [stdout]   --> src/main.rs:10:13
[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: 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symcur`
[INFO] [stdout]   --> src/main.rs:10:13
[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 21.07s
[INFO] running `Command { std: "docker" "inspect" "4288d1f4ae3ea7a93d8ddd79437fd59877fd0905c9eb28c7f2b3b2fb37ff4b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4288d1f4ae3ea7a93d8ddd79437fd59877fd0905c9eb28c7f2b3b2fb37ff4b0a", kill_on_drop: false }`
[INFO] [stdout] 4288d1f4ae3ea7a93d8ddd79437fd59877fd0905c9eb28c7f2b3b2fb37ff4b0a