[INFO] cloning repository https://github.com/toshitanian/xcat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toshitanian/xcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoshitanian%2Fxcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoshitanian%2Fxcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ee084199a9df781883ae7059c92e54c552cd7a9
[INFO] checking toshitanian/xcat against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoshitanian%2Fxcat" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toshitanian/xcat on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/toshitanian/xcat
[INFO] finished tweaking git repo https://github.com/toshitanian/xcat
[INFO] tweaked toml for git repo https://github.com/toshitanian/xcat written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/toshitanian/xcat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 5d1a38b71ded7f6cb8ec7a1e28901f0f2672f43a3d8037a0fbdbd060f3fefb16
[INFO] running `Command { std: "docker" "start" "-a" "5d1a38b71ded7f6cb8ec7a1e28901f0f2672f43a3d8037a0fbdbd060f3fefb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1a38b71ded7f6cb8ec7a1e28901f0f2672f43a3d8037a0fbdbd060f3fefb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1a38b71ded7f6cb8ec7a1e28901f0f2672f43a3d8037a0fbdbd060f3fefb16", kill_on_drop: false }`
[INFO] [stdout] 5d1a38b71ded7f6cb8ec7a1e28901f0f2672f43a3d8037a0fbdbd060f3fefb16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917f68d4f27304f87642fbc28edfdddf5d0dcef4a3156058c5a5f92d4c070ab0
[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" "917f68d4f27304f87642fbc28edfdddf5d0dcef4a3156058c5a5f92d4c070ab0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking podio v0.1.5
[INFO] [stderr]     Checking from-ascii v0.0.1
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.5.0
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.23.1
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking flate2 v0.2.17
[INFO] [stderr]     Checking zip v0.2.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking quick-xml v0.7.0
[INFO] [stderr]     Checking calamine v0.10.2
[INFO] [stderr]     Checking xcat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.26s
[INFO] running `Command { std: "docker" "inspect" "917f68d4f27304f87642fbc28edfdddf5d0dcef4a3156058c5a5f92d4c070ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917f68d4f27304f87642fbc28edfdddf5d0dcef4a3156058c5a5f92d4c070ab0", kill_on_drop: false }`
[INFO] [stdout] 917f68d4f27304f87642fbc28edfdddf5d0dcef4a3156058c5a5f92d4c070ab0