[INFO] cloning repository https://github.com/mattscamp/neovim-serenade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattscamp/neovim-serenade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattscamp%2Fneovim-serenade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattscamp%2Fneovim-serenade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d40b7763b901cc4b95649da5ae836ab89c1aff4
[INFO] testing mattscamp/neovim-serenade against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattscamp%2Fneovim-serenade" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattscamp/neovim-serenade 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/mattscamp/neovim-serenade
[INFO] finished tweaking git repo https://github.com/mattscamp/neovim-serenade
[INFO] tweaked toml for git repo https://github.com/mattscamp/neovim-serenade written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mattscamp/neovim-serenade 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mattscamp/neovim-lib`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-value v0.7.0
[INFO] [stderr]   Downloaded arc-swap v0.4.8
[INFO] [stderr]   Downloaded rmpv v0.4.7
[INFO] [stderr]   Downloaded log4rs v1.0.0
[INFO] [stderr]   Downloaded tungstenite v0.15.0
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46635b6d3d4400ff705b74da62adef098a1280830e697d94cc7f4372266651af
[INFO] running `Command { std: "docker" "start" "-a" "46635b6d3d4400ff705b74da62adef098a1280830e697d94cc7f4372266651af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46635b6d3d4400ff705b74da62adef098a1280830e697d94cc7f4372266651af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46635b6d3d4400ff705b74da62adef098a1280830e697d94cc7f4372266651af", kill_on_drop: false }`
[INFO] [stdout] 46635b6d3d4400ff705b74da62adef098a1280830e697d94cc7f4372266651af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f31ae18e70993c0b96ddf71da9e4070f40ab7014607b030a99d0e432bc8ab949
[INFO] running `Command { std: "docker" "start" "-a" "f31ae18e70993c0b96ddf71da9e4070f40ab7014607b030a99d0e432bc8ab949", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling rmpv v0.4.7
[INFO] [stderr]    Compiling tungstenite v0.15.0
[INFO] [stderr]    Compiling log4rs v1.0.0
[INFO] [stderr]    Compiling neovim-lib v0.6.0 (https://github.com/mattscamp/neovim-lib#77c1702a)
[INFO] [stderr]    Compiling neovim-serenade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `unwrap`
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate unwrap;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `unwrap` in this scope
[INFO] [stdout]    --> src/serenade.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     unwrap!(nvim.create_namespace("Serenade"))
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `unwrap` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]    --> src/main.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate unwrap;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{debug, LevelFilter};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]   --> src/main.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{thread, time};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neovim-serenade` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f31ae18e70993c0b96ddf71da9e4070f40ab7014607b030a99d0e432bc8ab949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31ae18e70993c0b96ddf71da9e4070f40ab7014607b030a99d0e432bc8ab949", kill_on_drop: false }`
[INFO] [stdout] f31ae18e70993c0b96ddf71da9e4070f40ab7014607b030a99d0e432bc8ab949