[INFO] cloning repository https://github.com/liryanne/git-auto-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liryanne/git-auto-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliryanne%2Fgit-auto-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliryanne%2Fgit-auto-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 915ee615b06190ae607e77719d2e04c55514c805
[INFO] checking liryanne/git-auto-sync against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliryanne%2Fgit-auto-sync" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liryanne/git-auto-sync 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/liryanne/git-auto-sync
[INFO] finished tweaking git repo https://github.com/liryanne/git-auto-sync
[INFO] tweaked toml for git repo https://github.com/liryanne/git-auto-sync written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/liryanne/git-auto-sync 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e30e6e8123efa4ec2946cad4e04e086bbebe8c1d04f0c7ba1bd878f966c2e4ed
[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" "e30e6e8123efa4ec2946cad4e04e086bbebe8c1d04f0c7ba1bd878f966c2e4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e30e6e8123efa4ec2946cad4e04e086bbebe8c1d04f0c7ba1bd878f966c2e4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30e6e8123efa4ec2946cad4e04e086bbebe8c1d04f0c7ba1bd878f966c2e4ed", kill_on_drop: false }`
[INFO] [stdout] e30e6e8123efa4ec2946cad4e04e086bbebe8c1d04f0c7ba1bd878f966c2e4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b92bec4c5849add1e5d7108637fc0b44a8b229305c7c2496c544d5d4c0066631
[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" "b92bec4c5849add1e5d7108637fc0b44a8b229305c7c2496c544d5d4c0066631", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking pathsearch v0.2.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking syncbox v0.2.4
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking eventual v0.1.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking git2_credentials v0.6.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking cpal v0.11.0
[INFO] [stderr]     Checking rodio v0.11.0
[INFO] [stderr]     Checking serde v1.0.112
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking git-auto-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exact_size_is_empty)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exact_size_is_empty)]
[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: could not compile `git-auto-sync`
[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: 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" "b92bec4c5849add1e5d7108637fc0b44a8b229305c7c2496c544d5d4c0066631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92bec4c5849add1e5d7108637fc0b44a8b229305c7c2496c544d5d4c0066631", kill_on_drop: false }`
[INFO] [stdout] b92bec4c5849add1e5d7108637fc0b44a8b229305c7c2496c544d5d4c0066631