[INFO] cloning repository https://github.com/zaphar/ucg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaphar/ucg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaphar%2Fucg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaphar%2Fucg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72de6043845744928602f77b50aae56b20607984
[INFO] checking zaphar/ucg against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaphar%2Fucg" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaphar/ucg 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/zaphar/ucg
[INFO] finished tweaking git repo https://github.com/zaphar/ucg
[INFO] tweaked toml for git repo https://github.com/zaphar/ucg written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zaphar/ucg 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 2b676af66fe8828989660c57d433c614cebc58491868403b82f3f0d3086c87b5
[INFO] running `Command { std: "docker" "start" "-a" "2b676af66fe8828989660c57d433c614cebc58491868403b82f3f0d3086c87b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b676af66fe8828989660c57d433c614cebc58491868403b82f3f0d3086c87b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b676af66fe8828989660c57d433c614cebc58491868403b82f3f0d3086c87b5", kill_on_drop: false }`
[INFO] [stdout] 2b676af66fe8828989660c57d433c614cebc58491868403b82f3f0d3086c87b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e434488363577fa76fa410f8386f450d00a328cbc47e5a073fe50870c62f718
[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" "3e434488363577fa76fa410f8386f450d00a328cbc47e5a073fe50870c62f718", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking abortable_parser v0.2.3
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling ucg v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.81s
[INFO] running `Command { std: "docker" "inspect" "3e434488363577fa76fa410f8386f450d00a328cbc47e5a073fe50870c62f718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e434488363577fa76fa410f8386f450d00a328cbc47e5a073fe50870c62f718", kill_on_drop: false }`
[INFO] [stdout] 3e434488363577fa76fa410f8386f450d00a328cbc47e5a073fe50870c62f718