[INFO] cloning repository https://github.com/kerrickstaley/hsk_flashcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kerrickstaley/hsk_flashcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerrickstaley%2Fhsk_flashcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerrickstaley%2Fhsk_flashcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 980cb2d89fadb6670cade0c3517a0faabfdcdc72
[INFO] checking kerrickstaley/hsk_flashcards against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerrickstaley%2Fhsk_flashcards" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kerrickstaley/hsk_flashcards on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kerrickstaley/hsk_flashcards
[INFO] finished tweaking git repo https://github.com/kerrickstaley/hsk_flashcards
[INFO] tweaked toml for git repo https://github.com/kerrickstaley/hsk_flashcards written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/kerrickstaley/hsk_flashcards already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/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[INFO] the lockfile is outdated, regenerating it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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex_macros v0.1.38
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded rusqlite v0.0.17
[INFO] [stderr]   Downloaded libsqlite3-sys v0.0.13
[INFO] [stderr]   Downloaded yaml v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33665e6a48df1550e5278919339a8540bb9a51c31b4dc176e6e79e9c97786ccb
[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" "33665e6a48df1550e5278919339a8540bb9a51c31b4dc176e6e79e9c97786ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33665e6a48df1550e5278919339a8540bb9a51c31b4dc176e6e79e9c97786ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33665e6a48df1550e5278919339a8540bb9a51c31b4dc176e6e79e9c97786ccb", kill_on_drop: false }`
[INFO] [stdout] 33665e6a48df1550e5278919339a8540bb9a51c31b4dc176e6e79e9c97786ccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed7bfd53979ae7e6c540e2f24e1eacd15d64c4384f2d547ea4049ca161edb0c6
[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" "ed7bfd53979ae7e6c540e2f24e1eacd15d64c4384f2d547ea4049ca161edb0c6", 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]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling yaml v0.2.1
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling rusqlite v0.0.17
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling libsqlite3-sys v0.0.13
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stdout] error[E0463]: can't find crate for `pkg_config`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusqlite-0.0.17/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate pkg_config;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusqlite`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.80/src/lib.rs:451:34
[INFO] [stdout]     |
[INFO] [stdout] 451 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ed7bfd53979ae7e6c540e2f24e1eacd15d64c4384f2d547ea4049ca161edb0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7bfd53979ae7e6c540e2f24e1eacd15d64c4384f2d547ea4049ca161edb0c6", kill_on_drop: false }`
[INFO] [stdout] ed7bfd53979ae7e6c540e2f24e1eacd15d64c4384f2d547ea4049ca161edb0c6
