[INFO] fetching crate pepper 0.5.6...
[INFO] checking pepper-0.5.6 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate pepper 0.5.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pepper 0.5.6 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pepper 0.5.6
[INFO] finished tweaking crates.io crate pepper 0.5.6
[INFO] tweaked toml for crates.io crate pepper 0.5.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pepper 0.5.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uds_windows v0.1.5
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 624ee8f4d40be87977b53dcc5fdac0dec56181f3ac935d1e2aaaaa30c35d03df
[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" "624ee8f4d40be87977b53dcc5fdac0dec56181f3ac935d1e2aaaaa30c35d03df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "624ee8f4d40be87977b53dcc5fdac0dec56181f3ac935d1e2aaaaa30c35d03df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624ee8f4d40be87977b53dcc5fdac0dec56181f3ac935d1e2aaaaa30c35d03df", kill_on_drop: false }`
[INFO] [stdout] 624ee8f4d40be87977b53dcc5fdac0dec56181f3ac935d1e2aaaaa30c35d03df
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e665ae591417c518621540ef58551281ca3acf1e02b18290b3c2e6b6bfb104ca
[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" "e665ae591417c518621540ef58551281ca3acf1e02b18290b3c2e6b6bfb104ca", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling luajit-src v210.1.1+resty29a66f7
[INFO] [stderr]    Compiling lua-src v540.0.1
[INFO] [stderr]    Compiling mlua v0.4.2
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.18.2
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking wayland-commons v0.28.2
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking wayland-cursor v0.28.2
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.0
[INFO] [stderr]     Checking smithay-clipboard v0.6.1
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking pepper v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buffer_path`
[INFO] [stdout]    --> src/lsp/client.rs:693:17
[INFO] [stdout]     |
[INFO] [stdout] 693 |             let buffer_path = buffer.path()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]    --> src/lsp/client.rs:687:13
[INFO] [stdout]     |
[INFO] [stdout] 687 |             client: &mut Client,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]    --> src/lsp/client.rs:689:13
[INFO] [stdout]     |
[INFO] [stdout] 689 |             json: &mut Json,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lsp/client.rs:730:43
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 EditorEvent::BufferEdit { handle } => {
[INFO] [stdout]     |                                           ^^^^^^ help: try ignoring the field: `handle: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_path`
[INFO] [stdout]    --> src/lsp/client.rs:733:51
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 EditorEvent::BufferSave { handle, new_path } => {
[INFO] [stdout]     |                                                   ^^^^^^^^ help: try ignoring the field: `new_path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer_path`
[INFO] [stdout]    --> src/lsp/client.rs:693:17
[INFO] [stdout]     |
[INFO] [stdout] 693 |             let buffer_path = buffer.path()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]    --> src/lsp/client.rs:687:13
[INFO] [stdout]     |
[INFO] [stdout] 687 |             client: &mut Client,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json`
[INFO] [stdout]    --> src/lsp/client.rs:689:13
[INFO] [stdout]     |
[INFO] [stdout] 689 |             json: &mut Json,
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lsp/client.rs:730:43
[INFO] [stdout]     |
[INFO] [stdout] 730 |                 EditorEvent::BufferEdit { handle } => {
[INFO] [stdout]     |                                           ^^^^^^ help: try ignoring the field: `handle: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_path`
[INFO] [stdout]    --> src/lsp/client.rs:733:51
[INFO] [stdout]     |
[INFO] [stdout] 733 |                 EditorEvent::BufferSave { handle, new_path } => {
[INFO] [stdout]     |                                                   ^^^^^^^^ help: try ignoring the field: `new_path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BufferEdit`
[INFO] [stdout]   --> src/editor_event.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     BufferEdit {
[INFO] [stdout] 11 | |         handle: BufferHandle,
[INFO] [stdout] 12 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on`
[INFO] [stdout]   --> src/lsp/client.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     on: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prepare_provider`
[INFO] [stdout]   --> src/lsp/client.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     prepare_provider: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on`
[INFO] [stdout]   --> src/lsp/client.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     on: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `open_close`
[INFO] [stdout]   --> src/lsp/client.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     open_close: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `change`
[INFO] [stdout]   --> src/lsp/client.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     change: TextDocumentSyncKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `save`
[INFO] [stdout]   --> src/lsp/client.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     save: TextDocumentSyncKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BufferEdit`
[INFO] [stdout]   --> src/editor_event.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     BufferEdit {
[INFO] [stdout] 11 | |         handle: BufferHandle,
[INFO] [stdout] 12 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on`
[INFO] [stdout]   --> src/lsp/client.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     on: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prepare_provider`
[INFO] [stdout]   --> src/lsp/client.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     prepare_provider: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `on`
[INFO] [stdout]   --> src/lsp/client.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     on: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `open_close`
[INFO] [stdout]   --> src/lsp/client.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     open_close: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `change`
[INFO] [stdout]   --> src/lsp/client.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     change: TextDocumentSyncKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `save`
[INFO] [stdout]   --> src/lsp/client.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     save: TextDocumentSyncKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "e665ae591417c518621540ef58551281ca3acf1e02b18290b3c2e6b6bfb104ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e665ae591417c518621540ef58551281ca3acf1e02b18290b3c2e6b6bfb104ca", kill_on_drop: false }`
[INFO] [stdout] e665ae591417c518621540ef58551281ca3acf1e02b18290b3c2e6b6bfb104ca