[INFO] cloning repository https://github.com/sebpuetz/tueba-corefs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebpuetz/tueba-corefs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebpuetz%2Ftueba-corefs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebpuetz%2Ftueba-corefs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb6d770daf17841093c7f37e1543e99f665081ff
[INFO] checking sebpuetz/tueba-corefs against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebpuetz%2Ftueba-corefs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebpuetz/tueba-corefs on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebpuetz/tueba-corefs
[INFO] finished tweaking git repo https://github.com/sebpuetz/tueba-corefs
[INFO] tweaked toml for git repo https://github.com/sebpuetz/tueba-corefs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sebpuetz/tueba-corefs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sebpuetz/lumberjack`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-init v0.3.0
[INFO] [stderr]   Downloaded stdinout v0.4.0
[INFO] [stderr]   Downloaded conllx v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 7e235e69f3c22f5b2be553b42665b6940f07eccf1e4cb5c64eafdf684de33786
[INFO] running `Command { std: "docker" "start" "-a" "7e235e69f3c22f5b2be553b42665b6940f07eccf1e4cb5c64eafdf684de33786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e235e69f3c22f5b2be553b42665b6940f07eccf1e4cb5c64eafdf684de33786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e235e69f3c22f5b2be553b42665b6940f07eccf1e4cb5c64eafdf684de33786", kill_on_drop: false }`
[INFO] [stdout] 7e235e69f3c22f5b2be553b42665b6940f07eccf1e4cb5c64eafdf684de33786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3cf647aea8d5e3a0c64af0f426af5ca88ef89f8fbb58622c3cd072be47bfc471
[INFO] running `Command { std: "docker" "start" "-a" "3cf647aea8d5e3a0c64af0f426af5ca88ef89f8fbb58622c3cd072be47bfc471", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking lazy-init v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking stdinout v0.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking conllx v0.11.2
[INFO] [stderr]     Checking lumberjack v0.3.1 (https://github.com/sebpuetz/lumberjack?rev=d91d23ed64d5fcb553f12cd7ba98eb0b100eaf1b#d91d23ed)
[INFO] [stderr]     Checking tueba-corefs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.82s
[INFO] running `Command { std: "docker" "inspect" "3cf647aea8d5e3a0c64af0f426af5ca88ef89f8fbb58622c3cd072be47bfc471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf647aea8d5e3a0c64af0f426af5ca88ef89f8fbb58622c3cd072be47bfc471", kill_on_drop: false }`
[INFO] [stdout] 3cf647aea8d5e3a0c64af0f426af5ca88ef89f8fbb58622c3cd072be47bfc471