[INFO] fetching crate groupable 0.2.0...
[INFO] checking groupable-0.2.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate groupable 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate groupable 0.2.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate groupable 0.2.0
[INFO] finished tweaking crates.io crate groupable 0.2.0
[INFO] tweaked toml for crates.io crate groupable 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] fc5b105f34591681ffbd5e4f61d25d8034020119778087dc029d373cc14b93db
[INFO] running `Command { std: "docker" "start" "-a" "fc5b105f34591681ffbd5e4f61d25d8034020119778087dc029d373cc14b93db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc5b105f34591681ffbd5e4f61d25d8034020119778087dc029d373cc14b93db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5b105f34591681ffbd5e4f61d25d8034020119778087dc029d373cc14b93db", kill_on_drop: false }`
[INFO] [stdout] fc5b105f34591681ffbd5e4f61d25d8034020119778087dc029d373cc14b93db
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc6c86d331851bda7555aa52e93584aced4807618e721ee657d804433a0873d6
[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" "cc6c86d331851bda7555aa52e93584aced4807618e721ee657d804433a0873d6", kill_on_drop: false }`
[INFO] [stderr]     Checking groupable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / macro_rules! impl_uint_keyed_iter {
[INFO] [stdout] 70 | |     ($name:ident) => (
[INFO] [stdout] 71 | |         impl <V, U: Extend<V> + FromIterator<V>> FromKeyedIterator<usize, V> for $name<U> {
[INFO] [stdout] 72 | |             fn from_keyed_iter<T: Iterator<Item=(usize, V)>>(iter: T) -> $name<U> {
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     )
[INFO] [stdout] 79 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / macro_rules! impl_uint_keyed_iter {
[INFO] [stdout] 70 | |     ($name:ident) => (
[INFO] [stdout] 71 | |         impl <V, U: Extend<V> + FromIterator<V>> FromKeyedIterator<usize, V> for $name<U> {
[INFO] [stdout] 72 | |             fn from_keyed_iter<T: Iterator<Item=(usize, V)>>(iter: T) -> $name<U> {
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     )
[INFO] [stdout] 79 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "cc6c86d331851bda7555aa52e93584aced4807618e721ee657d804433a0873d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6c86d331851bda7555aa52e93584aced4807618e721ee657d804433a0873d6", kill_on_drop: false }`
[INFO] [stdout] cc6c86d331851bda7555aa52e93584aced4807618e721ee657d804433a0873d6