[INFO] fetching crate raml 0.1.0...
[INFO] checking raml-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate raml 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate raml 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raml 0.1.0
[INFO] finished tweaking crates.io crate raml 0.1.0
[INFO] tweaked toml for crates.io crate raml 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec9ed94b4cfa8155f5f21e8c524b0586cc17df313f75a0a31603b46e2a810c04
[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" "ec9ed94b4cfa8155f5f21e8c524b0586cc17df313f75a0a31603b46e2a810c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec9ed94b4cfa8155f5f21e8c524b0586cc17df313f75a0a31603b46e2a810c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9ed94b4cfa8155f5f21e8c524b0586cc17df313f75a0a31603b46e2a810c04", kill_on_drop: false }`
[INFO] [stdout] ec9ed94b4cfa8155f5f21e8c524b0586cc17df313f75a0a31603b46e2a810c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1991f7660be3a59a812873ab00c81a76bd3a8086f2c613094cc5a3ee8b56cf7
[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" "f1991f7660be3a59a812873ab00c81a76bd3a8086f2c613094cc5a3ee8b56cf7", kill_on_drop: false }`
[INFO] [stderr]     Checking raml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/memory.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | / macro_rules! count {
[INFO] [stdout] 118 | |     () => (0usize);
[INFO] [stdout] 119 | |     ( $x:tt $($xs:tt)* ) => (1usize + count!($($xs)*));
[INFO] [stdout] 120 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/alloc.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn caml_alloc_array(value: (unsafe extern "C" fn(*const u8) -> Value),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/memory.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | / macro_rules! count {
[INFO] [stdout] 118 | |     () => (0usize);
[INFO] [stdout] 119 | |     ( $x:tt $($xs:tt)* ) => (1usize + count!($($xs)*));
[INFO] [stdout] 120 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/alloc.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn caml_alloc_array(value: (unsafe extern "C" fn(*const u8) -> Value),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 0.81s
[INFO] running `Command { std: "docker" "inspect" "f1991f7660be3a59a812873ab00c81a76bd3a8086f2c613094cc5a3ee8b56cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1991f7660be3a59a812873ab00c81a76bd3a8086f2c613094cc5a3ee8b56cf7", kill_on_drop: false }`
[INFO] [stdout] f1991f7660be3a59a812873ab00c81a76bd3a8086f2c613094cc5a3ee8b56cf7