[INFO] fetching crate memrange 0.1.3...
[INFO] checking memrange-0.1.3 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate memrange 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate memrange 0.1.3 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memrange 0.1.3
[INFO] finished tweaking crates.io crate memrange 0.1.3
[INFO] tweaked toml for crates.io crate memrange 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16e2feb6681319b1651e7afbad4e78761802fc4e77f40e5560dc26eb5be3d5fc
[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" "16e2feb6681319b1651e7afbad4e78761802fc4e77f40e5560dc26eb5be3d5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e2feb6681319b1651e7afbad4e78761802fc4e77f40e5560dc26eb5be3d5fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e2feb6681319b1651e7afbad4e78761802fc4e77f40e5560dc26eb5be3d5fc", kill_on_drop: false }`
[INFO] [stdout] 16e2feb6681319b1651e7afbad4e78761802fc4e77f40e5560dc26eb5be3d5fc
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 840905416c1458faf7be14e70bf27161cd9ec779cf35526107d817c8d0bce084
[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" "840905416c1458faf7be14e70bf27161cd9ec779cf35526107d817c8d0bce084", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking memrange v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:48
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<Iterator<Item=Range>>{
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Range>`
[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/lib.rs:72:48
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn each_slice(&self, size: u64) -> Box<Iterator<Item=Range>>{
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Range>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "840905416c1458faf7be14e70bf27161cd9ec779cf35526107d817c8d0bce084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840905416c1458faf7be14e70bf27161cd9ec779cf35526107d817c8d0bce084", kill_on_drop: false }`
[INFO] [stdout] 840905416c1458faf7be14e70bf27161cd9ec779cf35526107d817c8d0bce084