[INFO] cloning repository https://github.com/saf/completers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saf/completers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaf%2Fcompleters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaf%2Fcompleters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc5d5db088ce1b586cfe1f40bd1f9a83972834a8
[INFO] checking saf/completers against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaf%2Fcompleters" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saf/completers on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saf/completers
[INFO] finished tweaking git repo https://github.com/saf/completers
[INFO] tweaked toml for git repo https://github.com/saf/completers written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/saf/completers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90bd9b76e3aa3ffe0567b59c87fd2d3ed8f58555d8d8fd88deddb3e470f127d3
[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" "90bd9b76e3aa3ffe0567b59c87fd2d3ed8f58555d8d8fd88deddb3e470f127d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90bd9b76e3aa3ffe0567b59c87fd2d3ed8f58555d8d8fd88deddb3e470f127d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bd9b76e3aa3ffe0567b59c87fd2d3ed8f58555d8d8fd88deddb3e470f127d3", kill_on_drop: false }`
[INFO] [stdout] 90bd9b76e3aa3ffe0567b59c87fd2d3ed8f58555d8d8fd88deddb3e470f127d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4e3c0c154fb9d90fa0c8712ec69039cd791fbadd1aac03c1f83ae919912da6
[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" "fa4e3c0c154fb9d90fa0c8712ec69039cd791fbadd1aac03c1f83ae919912da6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking termion v1.3.0
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking term_cursor v0.2.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking completers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.02s
[INFO] running `Command { std: "docker" "inspect" "fa4e3c0c154fb9d90fa0c8712ec69039cd791fbadd1aac03c1f83ae919912da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4e3c0c154fb9d90fa0c8712ec69039cd791fbadd1aac03c1f83ae919912da6", kill_on_drop: false }`
[INFO] [stdout] fa4e3c0c154fb9d90fa0c8712ec69039cd791fbadd1aac03c1f83ae919912da6