[INFO] cloning repository https://github.com/xuxiaoyu2010/tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xuxiaoyu2010/tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuxiaoyu2010%2Ftree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuxiaoyu2010%2Ftree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d1949c01b49ccfe595391fe03679766c005eaf9
[INFO] checking xuxiaoyu2010/tree against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuxiaoyu2010%2Ftree" "/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/xuxiaoyu2010/tree on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xuxiaoyu2010/tree
[INFO] finished tweaking git repo https://github.com/xuxiaoyu2010/tree
[INFO] tweaked toml for git repo https://github.com/xuxiaoyu2010/tree written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xuxiaoyu2010/tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43698679ccbd2672e13cf6bcba877c8ef2b3fa579167c6309d7b79ebd8e32d58
[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" "43698679ccbd2672e13cf6bcba877c8ef2b3fa579167c6309d7b79ebd8e32d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43698679ccbd2672e13cf6bcba877c8ef2b3fa579167c6309d7b79ebd8e32d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43698679ccbd2672e13cf6bcba877c8ef2b3fa579167c6309d7b79ebd8e32d58", kill_on_drop: false }`
[INFO] [stdout] 43698679ccbd2672e13cf6bcba877c8ef2b3fa579167c6309d7b79ebd8e32d58
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a52ab7dc5e27761fea7a2731cc7a01bdb463c00aa7ca7106151d72f3e05a5de
[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" "9a52ab7dc5e27761fea7a2731cc7a01bdb463c00aa7ca7106151d72f3e05a5de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "9a52ab7dc5e27761fea7a2731cc7a01bdb463c00aa7ca7106151d72f3e05a5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a52ab7dc5e27761fea7a2731cc7a01bdb463c00aa7ca7106151d72f3e05a5de", kill_on_drop: false }`
[INFO] [stdout] 9a52ab7dc5e27761fea7a2731cc7a01bdb463c00aa7ca7106151d72f3e05a5de