[INFO] cloning repository https://github.com/ymgyt/rustc-vs-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymgyt/rustc-vs-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Frustc-vs-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Frustc-vs-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e78b2d1117246e4fa1482230861a73522b03a5f8
[INFO] checking ymgyt/rustc-vs-me against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Frustc-vs-me" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymgyt/rustc-vs-me 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/ymgyt/rustc-vs-me
[INFO] finished tweaking git repo https://github.com/ymgyt/rustc-vs-me
[INFO] tweaked toml for git repo https://github.com/ymgyt/rustc-vs-me written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ymgyt/rustc-vs-me 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 85e8d238173100425c232696b958327d19b5fad5b34d3cbb3044576c90ffd968
[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" "85e8d238173100425c232696b958327d19b5fad5b34d3cbb3044576c90ffd968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e8d238173100425c232696b958327d19b5fad5b34d3cbb3044576c90ffd968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e8d238173100425c232696b958327d19b5fad5b34d3cbb3044576c90ffd968", kill_on_drop: false }`
[INFO] [stdout] 85e8d238173100425c232696b958327d19b5fad5b34d3cbb3044576c90ffd968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f3c626b2a53103902f2737b45b08de879d3675e332aac3307dc7b613b9013578
[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" "f3c626b2a53103902f2737b45b08de879d3675e332aac3307dc7b613b9013578", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-vs-me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0507]: cannot move out of a mutable reference
[INFO] [stdout]   --> examples/error.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | /             self.reader
[INFO] [stdout] 23 | |                 .by_ref()
[INFO] [stdout]    | |_________________________^ move occurs because value has type `R`, which does not implement the `Copy` trait
[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 E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-vs-me`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f3c626b2a53103902f2737b45b08de879d3675e332aac3307dc7b613b9013578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c626b2a53103902f2737b45b08de879d3675e332aac3307dc7b613b9013578", kill_on_drop: false }`
[INFO] [stdout] f3c626b2a53103902f2737b45b08de879d3675e332aac3307dc7b613b9013578