[INFO] cloning repository https://github.com/kamalmarhubi/syntex-syntax-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamalmarhubi/syntex-syntax-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fsyntex-syntax-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fsyntex-syntax-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfc6bccc5c5aa2de5d312ab6d14b405dabed59ca
[INFO] checking kamalmarhubi/syntex-syntax-example against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fsyntex-syntax-example" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamalmarhubi/syntex-syntax-example 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/kamalmarhubi/syntex-syntax-example
[INFO] finished tweaking git repo https://github.com/kamalmarhubi/syntex-syntax-example
[INFO] tweaked toml for git repo https://github.com/kamalmarhubi/syntex-syntax-example written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kamalmarhubi/syntex-syntax-example 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extprim v1.7.1
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
[INFO] [stderr]   Downloaded syntex_syntax v0.59.1
[INFO] [stderr]   Downloaded syntex_pos v0.59.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e54bd3a143f9eca73aef78aee4a0a6cb11736eae8c72d242e312bb191b102ec3
[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" "e54bd3a143f9eca73aef78aee4a0a6cb11736eae8c72d242e312bb191b102ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e54bd3a143f9eca73aef78aee4a0a6cb11736eae8c72d242e312bb191b102ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54bd3a143f9eca73aef78aee4a0a6cb11736eae8c72d242e312bb191b102ec3", kill_on_drop: false }`
[INFO] [stdout] e54bd3a143f9eca73aef78aee4a0a6cb11736eae8c72d242e312bb191b102ec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 04f387941a560331a77508604dcdb257cf1f5830af73d3d8d3c060c93c140c38
[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" "04f387941a560331a77508604dcdb257cf1f5830af73d3d8d3c060c93c140c38", kill_on_drop: false }`
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking syntex_errors v0.59.1
[INFO] [stderr]     Checking syntex_syntax v0.59.1
[INFO] [stderr]     Checking syntex-syntax-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.14s
[INFO] running `Command { std: "docker" "inspect" "04f387941a560331a77508604dcdb257cf1f5830af73d3d8d3c060c93c140c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f387941a560331a77508604dcdb257cf1f5830af73d3d8d3c060c93c140c38", kill_on_drop: false }`
[INFO] [stdout] 04f387941a560331a77508604dcdb257cf1f5830af73d3d8d3c060c93c140c38