[INFO] cloning repository https://github.com/Morichan/a_to_z_of_programming_language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Morichan/a_to_z_of_programming_language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorichan%2Fa_to_z_of_programming_language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorichan%2Fa_to_z_of_programming_language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f08e5c0c7583ef5aa290036f98f546d9480ca96
[INFO] checking Morichan/a_to_z_of_programming_language against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorichan%2Fa_to_z_of_programming_language" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Morichan/a_to_z_of_programming_language on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Morichan/a_to_z_of_programming_language
[INFO] finished tweaking git repo https://github.com/Morichan/a_to_z_of_programming_language
[INFO] tweaked toml for git repo https://github.com/Morichan/a_to_z_of_programming_language written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Morichan/a_to_z_of_programming_language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7048ebc664b25965c077f25348dcc3c2252fb79074f3f8e28b7d471a7ebc579e
[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" "7048ebc664b25965c077f25348dcc3c2252fb79074f3f8e28b7d471a7ebc579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7048ebc664b25965c077f25348dcc3c2252fb79074f3f8e28b7d471a7ebc579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7048ebc664b25965c077f25348dcc3c2252fb79074f3f8e28b7d471a7ebc579e", kill_on_drop: false }`
[INFO] [stdout] 7048ebc664b25965c077f25348dcc3c2252fb79074f3f8e28b7d471a7ebc579e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c179a10c691ed53ea4a7a309555025be6ffd4a19f292d71c22a3f91ac7af1c1a
[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" "c179a10c691ed53ea4a7a309555025be6ffd4a19f292d71c22a3f91ac7af1c1a", kill_on_drop: false }`
[INFO] [stderr]     Checking a_to_z_of_programming_language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c179a10c691ed53ea4a7a309555025be6ffd4a19f292d71c22a3f91ac7af1c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c179a10c691ed53ea4a7a309555025be6ffd4a19f292d71c22a3f91ac7af1c1a", kill_on_drop: false }`
[INFO] [stdout] c179a10c691ed53ea4a7a309555025be6ffd4a19f292d71c22a3f91ac7af1c1a