[INFO] cloning repository https://github.com/commiebstrd/rusterpreter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/commiebstrd/rusterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommiebstrd%2Frusterpreter"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommiebstrd%2Frusterpreter'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5849f656c4405dfcea54854fe4ca45f043ebaf4
[INFO] checking commiebstrd/rusterpreter against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommiebstrd%2Frusterpreter" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/commiebstrd/rusterpreter on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/commiebstrd/rusterpreter
[INFO] finished tweaking git repo https://github.com/commiebstrd/rusterpreter
[INFO] tweaked toml for git repo https://github.com/commiebstrd/rusterpreter written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/commiebstrd/rusterpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84b5e34bf3f020238fd082563518966a14d9d6b22a5aae3de19116a28d94fd41
[INFO] running `"docker" "start" "-a" "84b5e34bf3f020238fd082563518966a14d9d6b22a5aae3de19116a28d94fd41"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking rusterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `slice`
[INFO] [stderr]    --> lib/common/tlv.rs:395:20
[INFO] [stderr]     |
[INFO] [stderr] 395 |       let (buffer, slice) = slice.split_at(header.length() as usize);
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> lib/common/packet.rs:255:22
[INFO] [stderr]     |
[INFO] [stderr] 255 |       let (payload_, val) = val.split_at(header.length() as usize - PACKET_HEADER_SIZE);
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> lib/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(alloc)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slice`
[INFO] [stderr]    --> lib/common/tlv.rs:395:20
[INFO] [stderr]     |
[INFO] [stderr] 395 |       let (buffer, slice) = slice.split_at(header.length() as usize);
[INFO] [stderr]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> lib/common/packet.rs:255:22
[INFO] [stderr]     |
[INFO] [stderr] 255 |       let (payload_, val) = val.split_at(header.length() as usize - PACKET_HEADER_SIZE);
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> lib/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(alloc)]
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "84b5e34bf3f020238fd082563518966a14d9d6b22a5aae3de19116a28d94fd41"`
[INFO] running `"docker" "rm" "-f" "84b5e34bf3f020238fd082563518966a14d9d6b22a5aae3de19116a28d94fd41"`
[INFO] [stdout] 84b5e34bf3f020238fd082563518966a14d9d6b22a5aae3de19116a28d94fd41