[INFO] fetching crate selene-lib 0.7.0...
[INFO] checking selene-lib-0.7.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate selene-lib 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate selene-lib 0.7.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate selene-lib 0.7.0
[INFO] finished tweaking crates.io crate selene-lib 0.7.0
[INFO] tweaked toml for crates.io crate selene-lib 0.7.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded codespan-reporting v0.4.1
[INFO] [stderr]   Downloaded codespan v0.4.1
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded full_moon_derive v0.5.0
[INFO] [stderr]   Downloaded full_moon v0.6.2
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b6f51c40148153db5545eef58617deb08aced73f891e1514f6ecf66300ee03
[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" "e1b6f51c40148153db5545eef58617deb08aced73f891e1514f6ecf66300ee03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b6f51c40148153db5545eef58617deb08aced73f891e1514f6ecf66300ee03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b6f51c40148153db5545eef58617deb08aced73f891e1514f6ecf66300ee03", kill_on_drop: false }`
[INFO] [stdout] e1b6f51c40148153db5545eef58617deb08aced73f891e1514f6ecf66300ee03
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f1f151f5229a655c98f6b4d7c183996324ab7fe3f636ee717a99c8036a61af
[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" "d4f1f151f5229a655c98f6b4d7c183996324ab7fe3f636ee717a99c8036a61af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking codespan v0.4.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking codespan-reporting v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling full_moon_derive v0.5.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking full_moon v0.6.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking rbx_dom_weak v1.10.1
[INFO] [stderr]     Checking rbx_reflection v3.3.418
[INFO] [stderr]     Checking selene-lib v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/test_util.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         { Path::new(env!("CARGO_MANIFEST_DIR")).join("tests").join("lints") };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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 1m 23s
[INFO] running `Command { std: "docker" "inspect" "d4f1f151f5229a655c98f6b4d7c183996324ab7fe3f636ee717a99c8036a61af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f1f151f5229a655c98f6b4d7c183996324ab7fe3f636ee717a99c8036a61af", kill_on_drop: false }`
[INFO] [stdout] d4f1f151f5229a655c98f6b4d7c183996324ab7fe3f636ee717a99c8036a61af