[INFO] fetching crate pepper 0.2.0...
[INFO] checking pepper-0.2.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate pepper 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pepper 0.2.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pepper 0.2.0
[INFO] finished tweaking crates.io crate pepper 0.2.0
[INFO] tweaked toml for crates.io crate pepper 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate pepper 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smithay-clipboard v0.5.1
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04687caf856e912e1066cecf8c8f9c300d05fe84c7b23f223a4b1e394d7f6fb
[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" "f04687caf856e912e1066cecf8c8f9c300d05fe84c7b23f223a4b1e394d7f6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04687caf856e912e1066cecf8c8f9c300d05fe84c7b23f223a4b1e394d7f6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04687caf856e912e1066cecf8c8f9c300d05fe84c7b23f223a4b1e394d7f6fb", kill_on_drop: false }`
[INFO] [stdout] f04687caf856e912e1066cecf8c8f9c300d05fe84c7b23f223a4b1e394d7f6fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97ca97f51a9487d6d6424412f53e4d5dd080fa9b43069be68def186aff7124a
[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" "a97ca97f51a9487d6d6424412f53e4d5dd080fa9b43069be68def186aff7124a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking uds_windows v0.1.5
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]    Compiling luajit-src v210.1.0+resty31116c4
[INFO] [stderr]    Compiling lua-src v540.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling mlua v0.4.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking wayland-cursor v0.27.0
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.10.0
[INFO] [stderr]     Checking smithay-clipboard v0.5.1
[INFO] [stderr]     Checking copypasta v0.7.0
[INFO] [stderr]     Checking pepper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `add_custom_entry`
[INFO] [stdout]    --> src/picker.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn add_custom_entry(&mut self, entry: CustomPickerEntry) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/word_database.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn empty() -> &'static Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `EMPTY_DATABASE`
[INFO] [stdout]   --> src/word_database.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | /         static EMPTY_DATABASE: WordDatabase = WordDatabase {
[INFO] [stdout] 95 | |             len: 0,
[INFO] [stdout] 96 | |             words: Vec::new(),
[INFO] [stdout] 97 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_custom_entry`
[INFO] [stdout]    --> src/picker.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn add_custom_entry(&mut self, entry: CustomPickerEntry) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/word_database.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn empty() -> &'static Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `EMPTY_DATABASE`
[INFO] [stdout]   --> src/word_database.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | /         static EMPTY_DATABASE: WordDatabase = WordDatabase {
[INFO] [stdout] 95 | |             len: 0,
[INFO] [stdout] 96 | |             words: Vec::new(),
[INFO] [stdout] 97 | |         };
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "a97ca97f51a9487d6d6424412f53e4d5dd080fa9b43069be68def186aff7124a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97ca97f51a9487d6d6424412f53e4d5dd080fa9b43069be68def186aff7124a", kill_on_drop: false }`
[INFO] [stdout] a97ca97f51a9487d6d6424412f53e4d5dd080fa9b43069be68def186aff7124a