[INFO] cloning repository https://github.com/guilherme/rust-mach-o-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guilherme/rust-mach-o-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilherme%2Frust-mach-o-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilherme%2Frust-mach-o-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dad0dfc8adc96d7029f1f52656c552513481dc22
[INFO] testing guilherme/rust-mach-o-parser against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilherme%2Frust-mach-o-parser" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guilherme/rust-mach-o-parser on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guilherme/rust-mach-o-parser
[INFO] finished tweaking git repo https://github.com/guilherme/rust-mach-o-parser
[INFO] tweaked toml for git repo https://github.com/guilherme/rust-mach-o-parser written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/guilherme/rust-mach-o-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7603f96117093f7e76631860bb201c4e8b1ab679460c647c36f6dd705b72cca3
[INFO] running `Command { std: "docker" "start" "-a" "7603f96117093f7e76631860bb201c4e8b1ab679460c647c36f6dd705b72cca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7603f96117093f7e76631860bb201c4e8b1ab679460c647c36f6dd705b72cca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7603f96117093f7e76631860bb201c4e8b1ab679460c647c36f6dd705b72cca3", kill_on_drop: false }`
[INFO] [stdout] 7603f96117093f7e76631860bb201c4e8b1ab679460c647c36f6dd705b72cca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a2cc9a42ffa8c2d8909cfdd30a59fa56e76e2aaf05b44b1a4d5ee2599d1bdf
[INFO] running `Command { std: "docker" "start" "-a" "90a2cc9a42ffa8c2d8909cfdd30a59fa56e76e2aaf05b44b1a4d5ee2599d1bdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling mach-o-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_64`
[INFO] [stdout]   --> src/main.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_is_64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `should_swap`
[INFO] [stdout]   --> src/main.rs:39:48
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MH_MAGIC`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MH_MAGIC: u32 = 0xfeedface;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "90a2cc9a42ffa8c2d8909cfdd30a59fa56e76e2aaf05b44b1a4d5ee2599d1bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a2cc9a42ffa8c2d8909cfdd30a59fa56e76e2aaf05b44b1a4d5ee2599d1bdf", kill_on_drop: false }`
[INFO] [stdout] 90a2cc9a42ffa8c2d8909cfdd30a59fa56e76e2aaf05b44b1a4d5ee2599d1bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8a4d487330969e8cff41f25d5278a2f7d742c6a717b5b83ccfe3811e451fdef
[INFO] running `Command { std: "docker" "start" "-a" "a8a4d487330969e8cff41f25d5278a2f7d742c6a717b5b83ccfe3811e451fdef", kill_on_drop: false }`
[INFO] [stderr]    Compiling mach-o-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/main.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_64`
[INFO] [stdout]   --> src/main.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_is_64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `should_swap`
[INFO] [stdout]   --> src/main.rs:39:48
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stdout]    |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MH_MAGIC`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MH_MAGIC: u32 = 0xfeedface;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a8a4d487330969e8cff41f25d5278a2f7d742c6a717b5b83ccfe3811e451fdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a4d487330969e8cff41f25d5278a2f7d742c6a717b5b83ccfe3811e451fdef", kill_on_drop: false }`
[INFO] [stdout] a8a4d487330969e8cff41f25d5278a2f7d742c6a717b5b83ccfe3811e451fdef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0a1b50d66e15329e22cbd5cd8967eee9affa7c54de66a230cfe7c38b6880e6d
[INFO] running `Command { std: "docker" "start" "-a" "b0a1b50d66e15329e22cbd5cd8967eee9affa7c54de66a230cfe7c38b6880e6d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:39:21
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stdout] 
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_64`
[INFO] [stderr]   --> src/main.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_is_64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `should_swap`
[INFO] [stderr]   --> src/main.rs:39:48
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn dump_mach_header(f: &mut File, is_64: bool, should_swap: bool) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_swap`
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MH_MAGIC`
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const MH_MAGIC: u32 = 0xfeedface;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mach_o_parser-db7c6ab460d0e61f)
[INFO] running `Command { std: "docker" "inspect" "b0a1b50d66e15329e22cbd5cd8967eee9affa7c54de66a230cfe7c38b6880e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a1b50d66e15329e22cbd5cd8967eee9affa7c54de66a230cfe7c38b6880e6d", kill_on_drop: false }`
[INFO] [stdout] b0a1b50d66e15329e22cbd5cd8967eee9affa7c54de66a230cfe7c38b6880e6d