[INFO] fetching crate asserter 0.1.0...
[INFO] checking asserter-0.1.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate asserter 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate asserter 0.1.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asserter 0.1.0
[INFO] finished tweaking crates.io crate asserter 0.1.0
[INFO] tweaked toml for crates.io crate asserter 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] 07805c19759c3b042dca1aabd0cdeef3b983a5bd62b372d1203cc8712af38edf
[INFO] running `Command { std: "docker" "start" "-a" "07805c19759c3b042dca1aabd0cdeef3b983a5bd62b372d1203cc8712af38edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07805c19759c3b042dca1aabd0cdeef3b983a5bd62b372d1203cc8712af38edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07805c19759c3b042dca1aabd0cdeef3b983a5bd62b372d1203cc8712af38edf", kill_on_drop: false }`
[INFO] [stdout] 07805c19759c3b042dca1aabd0cdeef3b983a5bd62b372d1203cc8712af38edf
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da5ea4ef6fd8f62db9f6ecf06a6f99fee91d4c65a1ec3f2faadebfdd30ae344e
[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" "da5ea4ef6fd8f62db9f6ecf06a6f99fee91d4c65a1ec3f2faadebfdd30ae344e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling asserter-macros v0.1.0
[INFO] [stderr]     Checking asserter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> tests/unwrap.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 |     unwrap!(foo as Some(foo));
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> tests/unwrap.rs:72:36
[INFO] [stdout]    |
[INFO] [stdout] 72 |     unwrap!(foo, Complex::Struct { foo, bar });
[INFO] [stdout]    |                                    ^^^ help: try ignoring the field: `foo: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]   --> tests/unwrap.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |     unwrap!(foo, Complex::Struct { foo, bar });
[INFO] [stdout]    |                                         ^^^ help: try ignoring the field: `bar: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> tests/unwrap.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[should_panic]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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 40.68s
[INFO] running `Command { std: "docker" "inspect" "da5ea4ef6fd8f62db9f6ecf06a6f99fee91d4c65a1ec3f2faadebfdd30ae344e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5ea4ef6fd8f62db9f6ecf06a6f99fee91d4c65a1ec3f2faadebfdd30ae344e", kill_on_drop: false }`
[INFO] [stdout] da5ea4ef6fd8f62db9f6ecf06a6f99fee91d4c65a1ec3f2faadebfdd30ae344e