[INFO] cloning repository https://github.com/dalance/ptags
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalance/ptags" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fptags", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fptags'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4714f9a412da6e160ee4ff1e88b907df59bfd6a
[INFO] checking dalance/ptags against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fptags" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dalance/ptags on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking git repo https://github.com/dalance/ptags
[INFO] finished tweaking git repo https://github.com/dalance/ptags
[INFO] tweaked toml for git repo https://github.com/dalance/ptags written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dalance/ptags 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 2575ee4924deea51a6ecc182845d7ffd78db2d570dad8cd528d94578c6bee453
[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" "2575ee4924deea51a6ecc182845d7ffd78db2d570dad8cd528d94578c6bee453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2575ee4924deea51a6ecc182845d7ffd78db2d570dad8cd528d94578c6bee453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2575ee4924deea51a6ecc182845d7ffd78db2d570dad8cd528d94578c6bee453", kill_on_drop: false }`
[INFO] [stdout] 2575ee4924deea51a6ecc182845d7ffd78db2d570dad8cd528d94578c6bee453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 28fbab7a9083e9c6687252d07f46522eb52c287288b956d4d48c835675e136c8
[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" "28fbab7a9083e9c6687252d07f46522eb52c287288b956d4d48c835675e136c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]    Compiling structopt-toml-derive v0.4.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling structopt-toml v0.4.0
[INFO] [stderr]     Checking ptags v0.3.3-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "28fbab7a9083e9c6687252d07f46522eb52c287288b956d4d48c835675e136c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28fbab7a9083e9c6687252d07f46522eb52c287288b956d4d48c835675e136c8", kill_on_drop: false }`
[INFO] [stdout] 28fbab7a9083e9c6687252d07f46522eb52c287288b956d4d48c835675e136c8