[INFO] fetching crate machina 0.6.1...
[INFO] checking machina-0.6.1 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate machina 0.6.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate machina 0.6.1 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate machina 0.6.1
[INFO] finished tweaking crates.io crate machina 0.6.1
[INFO] tweaked toml for crates.io crate machina 0.6.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded sam v0.2.0
[INFO] [stderr]   Downloaded aligned_alloc v0.1.3
[INFO] [stderr]   Downloaded region v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9c03a7b5bf5d4f4c90d814cb7ced354c4dabb413f36b7fc5582368ec0c7d35a
[INFO] running `Command { std: "docker" "start" "-a" "c9c03a7b5bf5d4f4c90d814cb7ced354c4dabb413f36b7fc5582368ec0c7d35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9c03a7b5bf5d4f4c90d814cb7ced354c4dabb413f36b7fc5582368ec0c7d35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c03a7b5bf5d4f4c90d814cb7ced354c4dabb413f36b7fc5582368ec0c7d35a", kill_on_drop: false }`
[INFO] [stdout] c9c03a7b5bf5d4f4c90d814cb7ced354c4dabb413f36b7fc5582368ec0c7d35a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2a3e5c6802545f8960df465723495df6b2ca4c1e844e65181df2cd8568bbcb2
[INFO] running `Command { std: "docker" "start" "-a" "b2a3e5c6802545f8960df465723495df6b2ca4c1e844e65181df2cd8568bbcb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking sam v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking aligned_alloc v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking region v0.1.1
[INFO] [stderr]     Checking machina v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/memory.rs:174:19
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let func: (fn() -> usize);
[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 type
[INFO] [stdout]    --> src/memory.rs:174:19
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let func: (fn() -> usize);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/memory.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn memset(s: *mut libc::c_void, c: libc::uint32_t, n: libc::size_t) -> *mut libc::c_void;
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/memory.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn memset(s: *mut libc::c_void, c: libc::uint32_t, n: libc::size_t) -> *mut libc::c_void;
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "b2a3e5c6802545f8960df465723495df6b2ca4c1e844e65181df2cd8568bbcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a3e5c6802545f8960df465723495df6b2ca4c1e844e65181df2cd8568bbcb2", kill_on_drop: false }`
[INFO] [stdout] b2a3e5c6802545f8960df465723495df6b2ca4c1e844e65181df2cd8568bbcb2