[INFO] cloning repository https://github.com/saschagrunert/dfc-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saschagrunert/dfc-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fdfc-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fdfc-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4425a40147dd952de26bf40005cd1f4728c130b
[INFO] checking saschagrunert/dfc-1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschagrunert%2Fdfc-1" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saschagrunert/dfc-1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saschagrunert/dfc-1
[INFO] finished tweaking git repo https://github.com/saschagrunert/dfc-1
[INFO] tweaked toml for git repo https://github.com/saschagrunert/dfc-1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/saschagrunert/dfc-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fce9ff66fa5d09392182ca82e8e88c52e82dd0b2d3b509d3323052a50292bdb
[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" "6fce9ff66fa5d09392182ca82e8e88c52e82dd0b2d3b509d3323052a50292bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fce9ff66fa5d09392182ca82e8e88c52e82dd0b2d3b509d3323052a50292bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fce9ff66fa5d09392182ca82e8e88c52e82dd0b2d3b509d3323052a50292bdb", kill_on_drop: false }`
[INFO] [stdout] 6fce9ff66fa5d09392182ca82e8e88c52e82dd0b2d3b509d3323052a50292bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927d7d6695fcff5f8e05e2dcfe8ae4e64519de3ac2ce1a4c3f622fdc4c006ba2
[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" "927d7d6695fcff5f8e05e2dcfe8ae4e64519de3ac2ce1a4c3f622fdc4c006ba2", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking dfc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]  --> src/lib.rs:1:101
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...r_case_globals, unused_variables, exceeding_bitshifts, unused_assignments, overflowing_literals)]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]  --> src/lib.rs:1:101
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...r_case_globals, unused_variables, exceeding_bitshifts, unused_assignments, overflowing_literals)]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf_ptr`
[INFO] [stdout]   --> examples/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let buf_ptr: *const u8 = buf.as_ptr();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf_ptr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "927d7d6695fcff5f8e05e2dcfe8ae4e64519de3ac2ce1a4c3f622fdc4c006ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927d7d6695fcff5f8e05e2dcfe8ae4e64519de3ac2ce1a4c3f622fdc4c006ba2", kill_on_drop: false }`
[INFO] [stdout] 927d7d6695fcff5f8e05e2dcfe8ae4e64519de3ac2ce1a4c3f622fdc4c006ba2