[INFO] cloning repository https://github.com/MatejKastak/rswal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatejKastak/rswal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatejKastak%2Frswal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatejKastak%2Frswal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5333c4791385f8d001e2d7c2c9e608fc3ffa2fa2
[INFO] testing MatejKastak/rswal against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatejKastak%2Frswal" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatejKastak/rswal on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatejKastak/rswal
[INFO] finished tweaking git repo https://github.com/MatejKastak/rswal
[INFO] tweaked toml for git repo https://github.com/MatejKastak/rswal written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MatejKastak/rswal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd7dd1519547f27cc4d09a5e1d8dec5c8beb41c5db8f5ce6dd6b820f3e0b4d63
[INFO] running `Command { std: "docker" "start" "-a" "cd7dd1519547f27cc4d09a5e1d8dec5c8beb41c5db8f5ce6dd6b820f3e0b4d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd7dd1519547f27cc4d09a5e1d8dec5c8beb41c5db8f5ce6dd6b820f3e0b4d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7dd1519547f27cc4d09a5e1d8dec5c8beb41c5db8f5ce6dd6b820f3e0b4d63", kill_on_drop: false }`
[INFO] [stdout] cd7dd1519547f27cc4d09a5e1d8dec5c8beb41c5db8f5ce6dd6b820f3e0b4d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da4c6fb7ae19748edf77c8962315435431619eaa10eb5826e56b2804d7ce7b32
[INFO] running `Command { std: "docker" "start" "-a" "da4c6fb7ae19748edf77c8962315435431619eaa10eb5826e56b2804d7ce7b32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-io v1.2.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling rmpv v0.4.5
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling nvim-rs v0.2.0
[INFO] [stderr]    Compiling rswal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 |   let var = nvim.command("colorscheme default").await;
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[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 39.89s
[INFO] running `Command { std: "docker" "inspect" "da4c6fb7ae19748edf77c8962315435431619eaa10eb5826e56b2804d7ce7b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4c6fb7ae19748edf77c8962315435431619eaa10eb5826e56b2804d7ce7b32", kill_on_drop: false }`
[INFO] [stdout] da4c6fb7ae19748edf77c8962315435431619eaa10eb5826e56b2804d7ce7b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb7bf30f92fca8cc675db8353fd4ef62fb33603648c56280def6a71c36add01
[INFO] running `Command { std: "docker" "start" "-a" "dbb7bf30f92fca8cc675db8353fd4ef62fb33603648c56280def6a71c36add01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rswal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 |   let var = nvim.command("colorscheme default").await;
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[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 test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "dbb7bf30f92fca8cc675db8353fd4ef62fb33603648c56280def6a71c36add01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb7bf30f92fca8cc675db8353fd4ef62fb33603648c56280def6a71c36add01", kill_on_drop: false }`
[INFO] [stdout] dbb7bf30f92fca8cc675db8353fd4ef62fb33603648c56280def6a71c36add01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10a351d96805b8e3fcb312d5d4dda2378becec5d7a70c5999345fe8bc0a927a4
[INFO] running `Command { std: "docker" "start" "-a" "10a351d96805b8e3fcb312d5d4dda2378becec5d7a70c5999345fe8bc0a927a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr]   --> src/main.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |   let var = nvim.command("colorscheme default").await;
[INFO] [stderr]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rswal` (bin "rswal" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rswal-3e7c38acdcd4b1ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10a351d96805b8e3fcb312d5d4dda2378becec5d7a70c5999345fe8bc0a927a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a351d96805b8e3fcb312d5d4dda2378becec5d7a70c5999345fe8bc0a927a4", kill_on_drop: false }`
[INFO] [stdout] 10a351d96805b8e3fcb312d5d4dda2378becec5d7a70c5999345fe8bc0a927a4