[INFO] fetching crate macho 0.4.1...
[INFO] checking macho-0.4.1 against beta for pr-78714
[INFO] extracting crate macho 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate macho 0.4.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate macho 0.4.1
[INFO] finished tweaking crates.io crate macho 0.4.1
[INFO] tweaked toml for crates.io crate macho 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f2ddf14db9c3ec415a22760d57813157aa2c606e14d0587d894a91c4c8ce93b
[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" "1f2ddf14db9c3ec415a22760d57813157aa2c606e14d0587d894a91c4c8ce93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f2ddf14db9c3ec415a22760d57813157aa2c606e14d0587d894a91c4c8ce93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2ddf14db9c3ec415a22760d57813157aa2c606e14d0587d894a91c4c8ce93b", kill_on_drop: false }`
[INFO] [stdout] 1f2ddf14db9c3ec415a22760d57813157aa2c606e14d0587d894a91c4c8ce93b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f33224a431857a6d049f5b50d90a480f4b726572c7a24a81e9eca0035d9783ba
[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" "f33224a431857a6d049f5b50d90a480f4b726572c7a24a81e9eca0035d9783ba", kill_on_drop: false }`
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking macho v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/constants.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     LC_LOAD_WEAK_DYLIB = (0x18 | LC_REQ_DYLD),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |     LC_RPATH = (0x1c | LC_REQ_DYLD),
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |     LC_REEXPORT_DYLIB = (0x1f | LC_REQ_DYLD),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:123:25
[INFO] [stdout]     |
[INFO] [stdout] 123 |     LC_DYLD_INFO_ONLY = (0x22|LC_REQ_DYLD),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |     LC_LOAD_UPWARD_DYLIB = (0x23 | LC_REQ_DYLD),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:141:15
[INFO] [stdout]     |
[INFO] [stdout] 141 |     LC_MAIN = (0x28|LC_REQ_DYLD),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/constants.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     LC_LOAD_WEAK_DYLIB = (0x18 | LC_REQ_DYLD),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |     LC_RPATH = (0x1c | LC_REQ_DYLD),
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |     LC_REEXPORT_DYLIB = (0x1f | LC_REQ_DYLD),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:123:25
[INFO] [stdout]     |
[INFO] [stdout] 123 |     LC_DYLD_INFO_ONLY = (0x22|LC_REQ_DYLD),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |     LC_LOAD_UPWARD_DYLIB = (0x23 | LC_REQ_DYLD),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/constants.rs:141:15
[INFO] [stdout]     |
[INFO] [stdout] 141 |     LC_MAIN = (0x28|LC_REQ_DYLD),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/reader.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f33224a431857a6d049f5b50d90a480f4b726572c7a24a81e9eca0035d9783ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33224a431857a6d049f5b50d90a480f4b726572c7a24a81e9eca0035d9783ba", kill_on_drop: false }`
[INFO] [stdout] f33224a431857a6d049f5b50d90a480f4b726572c7a24a81e9eca0035d9783ba