[INFO] cloning repository https://github.com/akitaonrails/rust_ruby_exercise_1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akitaonrails/rust_ruby_exercise_1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitaonrails%2Frust_ruby_exercise_1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitaonrails%2Frust_ruby_exercise_1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58dc0451b9de11e2568427c119faa05b860907ab
[INFO] checking akitaonrails/rust_ruby_exercise_1 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitaonrails%2Frust_ruby_exercise_1" "/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/akitaonrails/rust_ruby_exercise_1 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akitaonrails/rust_ruby_exercise_1
[INFO] finished tweaking git repo https://github.com/akitaonrails/rust_ruby_exercise_1
[INFO] tweaked toml for git repo https://github.com/akitaonrails/rust_ruby_exercise_1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/akitaonrails/rust_ruby_exercise_1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/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[INFO] the lockfile is outdated, regenerating it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" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-set v0.0.8
[INFO] [stderr]   Downloaded pcre v0.1.1
[INFO] [stderr]   Downloaded libpcre-sys v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8681689cced784276f81d1e768e6f74f1ac5a311794102c73411d33ef4bda7f
[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" "d8681689cced784276f81d1e768e6f74f1ac5a311794102c73411d33ef4bda7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8681689cced784276f81d1e768e6f74f1ac5a311794102c73411d33ef4bda7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8681689cced784276f81d1e768e6f74f1ac5a311794102c73411d33ef4bda7f", kill_on_drop: false }`
[INFO] [stdout] d8681689cced784276f81d1e768e6f74f1ac5a311794102c73411d33ef4bda7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "RUSTUP_TOOLCHAIN=4a04890980766cc79878135f5ade8c0c4321e943" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16481ebd98bf2234c8b2be7b67207ee6daddd5e00e98c82d18e778216bc500d2
[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" "16481ebd98bf2234c8b2be7b67207ee6daddd5e00e98c82d18e778216bc500d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking enum-set v0.0.8
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]    Compiling bzip2 v0.4.2
[INFO] [stderr]    Compiling libpcre-sys v0.1.1
[INFO] [stdout] error[E0432]: unresolved import `bzip2::reader`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libpcre-sys-0.1.1/build.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | use bzip2::reader::{BzDecompressor};
[INFO] [stdout]    |            ^^^^^^ could not find `reader` in `bzip2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpcre-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "16481ebd98bf2234c8b2be7b67207ee6daddd5e00e98c82d18e778216bc500d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16481ebd98bf2234c8b2be7b67207ee6daddd5e00e98c82d18e778216bc500d2", kill_on_drop: false }`
[INFO] [stdout] 16481ebd98bf2234c8b2be7b67207ee6daddd5e00e98c82d18e778216bc500d2