[INFO] fetching crate isaac 0.1.0...
[INFO] checking isaac-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate isaac 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate isaac 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isaac 0.1.0
[INFO] finished tweaking crates.io crate isaac 0.1.0
[INFO] tweaked toml for crates.io crate isaac 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rm v0.3.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] e1da05a3f3e20479548315d08bc6d137047759bdc09e1c14ceb0380b479991d3
[INFO] running `Command { std: "docker" "start" "-a" "e1da05a3f3e20479548315d08bc6d137047759bdc09e1c14ceb0380b479991d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1da05a3f3e20479548315d08bc6d137047759bdc09e1c14ceb0380b479991d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1da05a3f3e20479548315d08bc6d137047759bdc09e1c14ceb0380b479991d3", kill_on_drop: false }`
[INFO] [stdout] e1da05a3f3e20479548315d08bc6d137047759bdc09e1c14ceb0380b479991d3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 841d576a9270dd74ead325654c227ba5aa5328a448da1538bc09fc1530db2579
[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" "841d576a9270dd74ead325654c227ba5aa5328a448da1538bc09fc1530db2579", kill_on_drop: false }`
[INFO] [stderr]     Checking rm v0.3.2
[INFO] [stderr]     Checking isaac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `w32` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `w64` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | type w64 = w<u64>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `w32` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `w64` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | type w64 = w<u64>;
[INFO] [stdout]    |      ^^^ help: convert the identifier to upper camel case (notice the capitalization): `W64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `w32`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `empty` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | static empty: Rng = Rng {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `w32`
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | type w32 = w<u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `empty` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | static empty: Rng = Rng {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` 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 1.05s
[INFO] running `Command { std: "docker" "inspect" "841d576a9270dd74ead325654c227ba5aa5328a448da1538bc09fc1530db2579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841d576a9270dd74ead325654c227ba5aa5328a448da1538bc09fc1530db2579", kill_on_drop: false }`
[INFO] [stdout] 841d576a9270dd74ead325654c227ba5aa5328a448da1538bc09fc1530db2579