[INFO] cloning repository https://github.com/nathanielc/slop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathanielc/slop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanielc%2Fslop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanielc%2Fslop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d205f9a5b58dec58af4107167ff0af45d9b84504
[INFO] checking nathanielc/slop against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanielc%2Fslop" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathanielc/slop on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathanielc/slop
[INFO] finished tweaking git repo https://github.com/nathanielc/slop
[INFO] tweaked toml for git repo https://github.com/nathanielc/slop written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/nathanielc/slop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.1
[INFO] [stderr]   Downloaded tower-lsp-macros v0.3.0
[INFO] [stderr]   Downloaded tower-lsp v0.13.3
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded codespan v0.9.5
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[INFO] [stderr]   Downloaded codespan-lsp v0.10.1
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded lalrpop v0.19.1
[INFO] [stderr]   Downloaded lsp-types v0.79.0
[INFO] [stderr]   Downloaded svg v0.8.0
[INFO] [stderr]   Downloaded auto_impl v0.4.1
[INFO] [stderr]   Downloaded lsp-types v0.81.0
[INFO] [stderr]   Downloaded log-panics v2.0.0
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5068f7de10dc5479c101ed060c5ebdddcedff6250f53f875d7cdb8c566c10dff
[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" "5068f7de10dc5479c101ed060c5ebdddcedff6250f53f875d7cdb8c566c10dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5068f7de10dc5479c101ed060c5ebdddcedff6250f53f875d7cdb8c566c10dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5068f7de10dc5479c101ed060c5ebdddcedff6250f53f875d7cdb8c566c10dff", kill_on_drop: false }`
[INFO] [stdout] 5068f7de10dc5479c101ed060c5ebdddcedff6250f53f875d7cdb8c566c10dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bc19ab734133bf988f6984356e126ca357ef13a826dc6e930b3dfb2b91afa47
[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" "7bc19ab734133bf988f6984356e126ca357ef13a826dc6e930b3dfb2b91afa47", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]     Checking svg v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking codespan v0.9.5
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking const-random v0.1.8
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[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking rocket_http v0.4.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling tower-lsp-macros v0.3.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]     Checking tokio v0.2.22
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[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking rocket v0.4.5
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking lsp-types v0.81.0
[INFO] [stderr]     Checking lsp-types v0.79.0
[INFO] [stderr]    Compiling lalrpop v0.19.1
[INFO] [stderr]     Checking rocket_contrib v0.4.5
[INFO] [stderr]     Checking tower-lsp v0.13.3
[INFO] [stderr]     Checking codespan-lsp v0.10.1
[INFO] [stderr]    Compiling slop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/lsp/backend.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Ok(expr) => Vec::new(),
[INFO] [stdout]     |            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lsp/backend.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 ref expected,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lsp/backend.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 ref expected,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uri`
[INFO] [stdout]    --> src/lsp/backend.rs:186:35
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn get_diagnostics(state: &State, uri: &Url, id: FileId) -> Vec<Diagnostic> {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_uri`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/lsp/backend.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Ok(expr) => Vec::new(),
[INFO] [stdout]     |            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lsp/backend.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 ref expected,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/lsp/backend.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 ref expected,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uri`
[INFO] [stdout]    --> src/lsp/backend.rs:186:35
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn get_diagnostics(state: &State, uri: &Url, id: FileId) -> Vec<Diagnostic> {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_uri`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "7bc19ab734133bf988f6984356e126ca357ef13a826dc6e930b3dfb2b91afa47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc19ab734133bf988f6984356e126ca357ef13a826dc6e930b3dfb2b91afa47", kill_on_drop: false }`
[INFO] [stdout] 7bc19ab734133bf988f6984356e126ca357ef13a826dc6e930b3dfb2b91afa47