[INFO] fetching crate v6_generics_do_not_use 0.1.0...
[INFO] checking v6_generics_do_not_use-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate v6_generics_do_not_use 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate v6_generics_do_not_use 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v6_generics_do_not_use 0.1.0
[INFO] finished tweaking crates.io crate v6_generics_do_not_use 0.1.0
[INFO] tweaked toml for crates.io crate v6_generics_do_not_use 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c21e4fcf84909ff528724a47df6d8f2e7849ff98a26c2f81e3532132a46e5b3
[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" "9c21e4fcf84909ff528724a47df6d8f2e7849ff98a26c2f81e3532132a46e5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c21e4fcf84909ff528724a47df6d8f2e7849ff98a26c2f81e3532132a46e5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c21e4fcf84909ff528724a47df6d8f2e7849ff98a26c2f81e3532132a46e5b3", kill_on_drop: false }`
[INFO] [stdout] 9c21e4fcf84909ff528724a47df6d8f2e7849ff98a26c2f81e3532132a46e5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2429e0c4a73b2f56f2c68918ef9119d741645e77ee62bff4981c24ffe3b30d7c
[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" "2429e0c4a73b2f56f2c68918ef9119d741645e77ee62bff4981c24ffe3b30d7c", kill_on_drop: false }`
[INFO] [stderr]     Checking v6_generics_do_not_use v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ps`
[INFO] [stdout]   --> src/lib.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let ps = Point::new("hello", "goodbye");
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.65s
[INFO] running `Command { std: "docker" "inspect" "2429e0c4a73b2f56f2c68918ef9119d741645e77ee62bff4981c24ffe3b30d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2429e0c4a73b2f56f2c68918ef9119d741645e77ee62bff4981c24ffe3b30d7c", kill_on_drop: false }`
[INFO] [stdout] 2429e0c4a73b2f56f2c68918ef9119d741645e77ee62bff4981c24ffe3b30d7c