[INFO] cloning repository https://github.com/fwcd/socha-client-rust-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fwcd/socha-client-rust-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2Fsocha-client-rust-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2Fsocha-client-rust-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 151f0fa9da007e94d65484a3e9bf9a94f103d35a
[INFO] checking fwcd/socha-client-rust-2020 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2Fsocha-client-rust-2020" "/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/fwcd/socha-client-rust-2020 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fwcd/socha-client-rust-2020
[INFO] finished tweaking git repo https://github.com/fwcd/socha-client-rust-2020
[INFO] tweaked toml for git repo https://github.com/fwcd/socha-client-rust-2020 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fwcd/socha-client-rust-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d0cbfa16b6b6b3cdc05e4d8d2160110d8d2a5a162f3a4ae0ece4551c7ab831
[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" "c3d0cbfa16b6b6b3cdc05e4d8d2160110d8d2a5a162f3a4ae0ece4551c7ab831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d0cbfa16b6b6b3cdc05e4d8d2160110d8d2a5a162f3a4ae0ece4551c7ab831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d0cbfa16b6b6b3cdc05e4d8d2160110d8d2a5a162f3a4ae0ece4551c7ab831", kill_on_drop: false }`
[INFO] [stdout] c3d0cbfa16b6b6b3cdc05e4d8d2160110d8d2a5a162f3a4ae0ece4551c7ab831
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0520784ef03978fda32bb7d3acf83d52e34b316ecec7dd1763b8c5d7f43efbe
[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" "c0520784ef03978fda32bb7d3acf83d52e34b316ecec7dd1763b8c5d7f43efbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking socha-client-base v0.1.0 (https://github.com/fwcd/socha-sdk-rust?rev=9f25f0a#9f25f0af)
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking simplelog v0.7.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking socha-plugin-2020 v0.1.0 (https://github.com/fwcd/socha-sdk-rust?rev=9f25f0a#9f25f0af)
[INFO] [stderr]     Checking socha-client-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `Command { std: "docker" "inspect" "c0520784ef03978fda32bb7d3acf83d52e34b316ecec7dd1763b8c5d7f43efbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0520784ef03978fda32bb7d3acf83d52e34b316ecec7dd1763b8c5d7f43efbe", kill_on_drop: false }`
[INFO] [stdout] c0520784ef03978fda32bb7d3acf83d52e34b316ecec7dd1763b8c5d7f43efbe