[INFO] cloning repository https://github.com/commiebstrd/rusterpreter
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommiebstrd%2Frusterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5849f656c4405dfcea54854fe4ca45f043ebaf4
[INFO] testing commiebstrd/rusterpreter against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcommiebstrd%2Frusterpreter" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/commiebstrd/rusterpreter on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/commiebstrd/rusterpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d594c7d5f349ea5fc2217a92b6751d5e75335aca968e63dac8d84a5fc63ab72
[INFO] running `Command { std: "docker" "start" "-a" "6d594c7d5f349ea5fc2217a92b6751d5e75335aca968e63dac8d84a5fc63ab72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d594c7d5f349ea5fc2217a92b6751d5e75335aca968e63dac8d84a5fc63ab72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d594c7d5f349ea5fc2217a92b6751d5e75335aca968e63dac8d84a5fc63ab72", kill_on_drop: false }`
[INFO] [stdout] 6d594c7d5f349ea5fc2217a92b6751d5e75335aca968e63dac8d84a5fc63ab72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88e6f105a8d9800ab695dbf1a4e244807895737aa3f585a0697b25d2683ffb3d
[INFO] running `Command { std: "docker" "start" "-a" "88e6f105a8d9800ab695dbf1a4e244807895737aa3f585a0697b25d2683ffb3d", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `slice`
[INFO] [stdout]    --> lib/common/tlv.rs:395:20
[INFO] [stdout]     |
[INFO] [stdout] 395 |       let (buffer, slice) = slice.split_at(header.length() as usize);
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> lib/common/packet.rs:255:22
[INFO] [stdout]     |
[INFO] [stdout] 255 |       let (payload_, val) = val.split_at(header.length() as usize - PACKET_HEADER_SIZE);
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lib/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> lib/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusterpreter` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "88e6f105a8d9800ab695dbf1a4e244807895737aa3f585a0697b25d2683ffb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e6f105a8d9800ab695dbf1a4e244807895737aa3f585a0697b25d2683ffb3d", kill_on_drop: false }`
[INFO] [stdout] 88e6f105a8d9800ab695dbf1a4e244807895737aa3f585a0697b25d2683ffb3d