[INFO] cloning repository https://github.com/kangalioo/bf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kangalioo/bf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkangalioo%2Fbf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkangalioo%2Fbf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] baa2a8de4dc6f6834bcb89483614f4586a17d8ed
[INFO] checking kangalioo/bf against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkangalioo%2Fbf" "/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/kangalioo/bf 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/kangalioo/bf
[INFO] finished tweaking git repo https://github.com/kangalioo/bf
[INFO] tweaked toml for git repo https://github.com/kangalioo/bf written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/kangalioo/bf 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-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] ff08f46e5852704c5d87f3d7bb7f714b94641e9948bfbc550a4f7245651562bc
[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" "ff08f46e5852704c5d87f3d7bb7f714b94641e9948bfbc550a4f7245651562bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff08f46e5852704c5d87f3d7bb7f714b94641e9948bfbc550a4f7245651562bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff08f46e5852704c5d87f3d7bb7f714b94641e9948bfbc550a4f7245651562bc", kill_on_drop: false }`
[INFO] [stdout] ff08f46e5852704c5d87f3d7bb7f714b94641e9948bfbc550a4f7245651562bc
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 218a2440ac0b5e729539e91db88168c0b63160adfbf3fa932e426e6d6fadba97
[INFO] running `Command { std: "docker" "start" "-a" "218a2440ac0b5e729539e91db88168c0b63160adfbf3fa932e426e6d6fadba97", kill_on_drop: false }`
[INFO] [stderr]     Checking bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/macro_.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 |     PredefinedMacro { code_generator: &'a Fn() -> String }
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> String`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/macro_.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 |     PredefinedMacro { code_generator: &'a Fn() -> String }
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> String`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Macro`
[INFO] [stdout]   --> src/macro_.rs:33:2
[INFO] [stdout]    |
[INFO] [stdout] 33 |       Macro {
[INFO] [stdout]    |  _____^
[INFO] [stdout] 34 | |         macro_: &'a Macro<'a>,
[INFO] [stdout] 35 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Macro`
[INFO] [stdout]   --> src/macro_.rs:33:2
[INFO] [stdout]    |
[INFO] [stdout] 33 |       Macro {
[INFO] [stdout]    |  _____^
[INFO] [stdout] 34 | |         macro_: &'a Macro<'a>,
[INFO] [stdout] 35 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "218a2440ac0b5e729539e91db88168c0b63160adfbf3fa932e426e6d6fadba97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218a2440ac0b5e729539e91db88168c0b63160adfbf3fa932e426e6d6fadba97", kill_on_drop: false }`
[INFO] [stdout] 218a2440ac0b5e729539e91db88168c0b63160adfbf3fa932e426e6d6fadba97