[INFO] cloning repository https://github.com/rolandshoemaker/theca
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rolandshoemaker/theca" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolandshoemaker%2Ftheca", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolandshoemaker%2Ftheca'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95f255a69a473fb1af8c400d3ce8041fac2766a8
[INFO] checking rolandshoemaker/theca against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolandshoemaker%2Ftheca" "/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/rolandshoemaker/theca on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rolandshoemaker/theca
[INFO] finished tweaking git repo https://github.com/rolandshoemaker/theca
[INFO] tweaked toml for git repo https://github.com/rolandshoemaker/theca written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/rolandshoemaker/theca already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/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[INFO] the lockfile is outdated, regenerating it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-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54b24b92a7fdd365254d3e6a8ed5a9658164496791eba49656ff0e9d112889f9
[INFO] running `Command { std: "docker" "start" "-a" "54b24b92a7fdd365254d3e6a8ed5a9658164496791eba49656ff0e9d112889f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b24b92a7fdd365254d3e6a8ed5a9658164496791eba49656ff0e9d112889f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b24b92a7fdd365254d3e6a8ed5a9658164496791eba49656ff0e9d112889f9", kill_on_drop: false }`
[INFO] [stdout] 54b24b92a7fdd365254d3e6a8ed5a9658164496791eba49656ff0e9d112889f9
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08fe2815236e554ca2105333d1142f2b486cd1368287f151f1327c0397f93f92
[INFO] running `Command { std: "docker" "start" "-a" "08fe2815236e554ca2105333d1142f2b486cd1368287f151f1327c0397f93f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[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-0.2.11/src/lib.rs:522:34
[INFO] [stdout]     |
[INFO] [stdout] 522 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.7.3
[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: could not compile `regex`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "08fe2815236e554ca2105333d1142f2b486cd1368287f151f1327c0397f93f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fe2815236e554ca2105333d1142f2b486cd1368287f151f1327c0397f93f92", kill_on_drop: false }`
[INFO] [stdout] 08fe2815236e554ca2105333d1142f2b486cd1368287f151f1327c0397f93f92
