[INFO] cloning repository https://github.com/arrrght/rabbe2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arrrght/rabbe2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farrrght%2Frabbe2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farrrght%2Frabbe2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3899e72017ef4e637e848e0bde0ece23f7058a26
[INFO] checking arrrght/rabbe2 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farrrght%2Frabbe2" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arrrght/rabbe2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arrrght/rabbe2
[INFO] finished tweaking git repo https://github.com/arrrght/rabbe2
[INFO] tweaked toml for git repo https://github.com/arrrght/rabbe2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/arrrght/rabbe2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0bc9df62deee17b61ae34b1f948727866580a77854ead1ade880660f86a681c
[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" "e0bc9df62deee17b61ae34b1f948727866580a77854ead1ade880660f86a681c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0bc9df62deee17b61ae34b1f948727866580a77854ead1ade880660f86a681c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0bc9df62deee17b61ae34b1f948727866580a77854ead1ade880660f86a681c", kill_on_drop: false }`
[INFO] [stdout] e0bc9df62deee17b61ae34b1f948727866580a77854ead1ade880660f86a681c
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] b3da0ec3d82fb2c25e8f9b6000afdec5b7c08013c39ff5e8590c425417ec7ea9
[INFO] running `Command { std: "docker" "start" "-a" "b3da0ec3d82fb2c25e8f9b6000afdec5b7c08013c39ff5e8590c425417ec7ea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking pest v2.1.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking amq-protocol-types v1.2.0
[INFO] [stderr]     Checking amq-protocol-codegen v1.4.0
[INFO] [stderr]    Compiling amq-protocol v1.4.0
[INFO] [stderr]     Checking lapin-async v0.18.0
[INFO] [stderr]     Checking lapin-futures v0.18.0
[INFO] [stderr]     Checking rabbe2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "b3da0ec3d82fb2c25e8f9b6000afdec5b7c08013c39ff5e8590c425417ec7ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3da0ec3d82fb2c25e8f9b6000afdec5b7c08013c39ff5e8590c425417ec7ea9", kill_on_drop: false }`
[INFO] [stdout] b3da0ec3d82fb2c25e8f9b6000afdec5b7c08013c39ff5e8590c425417ec7ea9