[INFO] fetching crate a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7 1.0.2...
[INFO] checking a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7-1.0.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7 1.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7 1.0.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7 1.0.2
[INFO] finished tweaking crates.io crate a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7 1.0.2
[INFO] tweaked toml for crates.io crate a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7 1.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e v1.0.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b5bc92cc6cf80c2ef8d6a7e233f751ce3655977f474cb36f50e373f84b31b9c
[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" "5b5bc92cc6cf80c2ef8d6a7e233f751ce3655977f474cb36f50e373f84b31b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b5bc92cc6cf80c2ef8d6a7e233f751ce3655977f474cb36f50e373f84b31b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5bc92cc6cf80c2ef8d6a7e233f751ce3655977f474cb36f50e373f84b31b9c", kill_on_drop: false }`
[INFO] [stdout] 5b5bc92cc6cf80c2ef8d6a7e233f751ce3655977f474cb36f50e373f84b31b9c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1945c8192cb1e40a7423daa0b7eee66131e39ac468dcf1980c572d6e2b53c87
[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" "e1945c8192cb1e40a7423daa0b7eee66131e39ac468dcf1980c572d6e2b53c87", kill_on_drop: false }`
[INFO] [stderr]     Checking a9c83d61c403d9c61afacf405efb10ac776a7c59ed51b63831920654e v1.0.1
[INFO] [stderr]     Checking a8fac3656921b88ff0e30fbc928b6b3e8432a3f191b9bca1c253e7ca7 v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[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 0.29s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1945c8192cb1e40a7423daa0b7eee66131e39ac468dcf1980c572d6e2b53c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1945c8192cb1e40a7423daa0b7eee66131e39ac468dcf1980c572d6e2b53c87", kill_on_drop: false }`
[INFO] [stdout] e1945c8192cb1e40a7423daa0b7eee66131e39ac468dcf1980c572d6e2b53c87