[INFO] fetching crate rslint_core 0.2.2...
[INFO] checking rslint_core-0.2.2 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate rslint_core 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rslint_core 0.2.2 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rslint_core 0.2.2
[INFO] finished tweaking crates.io crate rslint_core 0.2.2
[INFO] tweaked toml for crates.io crate rslint_core 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rslint_parser v0.2.1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d18c17976bdbab1656bd84910674a194501283dc58b13f08ffb67ddf7bfab59b
[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" "d18c17976bdbab1656bd84910674a194501283dc58b13f08ffb67ddf7bfab59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d18c17976bdbab1656bd84910674a194501283dc58b13f08ffb67ddf7bfab59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18c17976bdbab1656bd84910674a194501283dc58b13f08ffb67ddf7bfab59b", kill_on_drop: false }`
[INFO] [stdout] d18c17976bdbab1656bd84910674a194501283dc58b13f08ffb67ddf7bfab59b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8b5428e23fade8c620c82eab42d0039d4a270c519551baf17cf48507058a45c
[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" "c8b5428e23fade8c620c82eab42d0039d4a270c519551baf17cf48507058a45c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking rowan v0.10.0
[INFO] [stderr]     Checking rslint_syntax v0.1.3
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking text-diff v0.4.0
[INFO] [stderr]     Checking rslint_text_edit v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rslint_errors v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rslint_lexer v0.1.3
[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]     Checking rslint_parser v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling typetag-impl v0.1.6
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking typetag v0.1.6
[INFO] [stderr]     Checking rslint_core v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "c8b5428e23fade8c620c82eab42d0039d4a270c519551baf17cf48507058a45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b5428e23fade8c620c82eab42d0039d4a270c519551baf17cf48507058a45c", kill_on_drop: false }`
[INFO] [stdout] c8b5428e23fade8c620c82eab42d0039d4a270c519551baf17cf48507058a45c