[INFO] cloning repository https://github.com/JuxhinDB/synner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuxhinDB/synner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuxhinDB%2Fsynner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuxhinDB%2Fsynner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74a070042ca0138f7a43940f480a2c149dd04c30
[INFO] checking JuxhinDB/synner against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuxhinDB%2Fsynner" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuxhinDB/synner on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JuxhinDB/synner
[INFO] finished tweaking git repo https://github.com/JuxhinDB/synner
[INFO] tweaked toml for git repo https://github.com/JuxhinDB/synner written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/JuxhinDB/synner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b83bfc5e2fd458b0dc6d55ed2f6ce5b0b970708b1160c497972cc477e0e0c00d
[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" "b83bfc5e2fd458b0dc6d55ed2f6ce5b0b970708b1160c497972cc477e0e0c00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b83bfc5e2fd458b0dc6d55ed2f6ce5b0b970708b1160c497972cc477e0e0c00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83bfc5e2fd458b0dc6d55ed2f6ce5b0b970708b1160c497972cc477e0e0c00d", kill_on_drop: false }`
[INFO] [stdout] b83bfc5e2fd458b0dc6d55ed2f6ce5b0b970708b1160c497972cc477e0e0c00d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e8c6868a6af6d8f65fa26a4acb7c38903f77b591f79e099d9887ac2b5c5b40
[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" "87e8c6868a6af6d8f65fa26a4acb7c38903f77b591f79e099d9887ac2b5c5b40", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling pnet v0.25.0
[INFO] [stderr]     Checking pnet_base v0.25.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking ipnetwork v0.15.1
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]     Checking pnet_macros_support v0.25.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking pnet_sys v0.25.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]     Checking pnet_datalink v0.25.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.25.0
[INFO] [stderr]     Checking pnet_transport v0.25.0
[INFO] [stderr]     Checking synner v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "87e8c6868a6af6d8f65fa26a4acb7c38903f77b591f79e099d9887ac2b5c5b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e8c6868a6af6d8f65fa26a4acb7c38903f77b591f79e099d9887ac2b5c5b40", kill_on_drop: false }`
[INFO] [stdout] 87e8c6868a6af6d8f65fa26a4acb7c38903f77b591f79e099d9887ac2b5c5b40