[INFO] fetching crate groupable 0.2.0...
[INFO] checking groupable-0.2.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate groupable 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate groupable 0.2.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f664014ae6e0859de1dee8b67dfbf526629c77e25232b231256452fbc6b1e9f7
[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" "f664014ae6e0859de1dee8b67dfbf526629c77e25232b231256452fbc6b1e9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f664014ae6e0859de1dee8b67dfbf526629c77e25232b231256452fbc6b1e9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f664014ae6e0859de1dee8b67dfbf526629c77e25232b231256452fbc6b1e9f7", kill_on_drop: false }`
[INFO] [stdout] f664014ae6e0859de1dee8b67dfbf526629c77e25232b231256452fbc6b1e9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26854b3bc20af0c717eba6326086bd4c9862a5039f3c52a31b48adb19850ff34
[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" "26854b3bc20af0c717eba6326086bd4c9862a5039f3c52a31b48adb19850ff34", 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "26854b3bc20af0c717eba6326086bd4c9862a5039f3c52a31b48adb19850ff34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26854b3bc20af0c717eba6326086bd4c9862a5039f3c52a31b48adb19850ff34", kill_on_drop: false }`
[INFO] [stdout] 26854b3bc20af0c717eba6326086bd4c9862a5039f3c52a31b48adb19850ff34