[INFO] fetching crate pepper 0.2.0...
[INFO] checking pepper-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate pepper 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pepper 0.2.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded copypasta v0.7.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.10.0
[INFO] [stderr]   Downloaded uds_windows v0.1.5
[INFO] [stderr]   Downloaded polling v0.1.5
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded smithay-clipboard v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f6fc73409dd23431ff099a9692fea9987ab1fe247d09bccf267acb0420ac658
[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" "7f6fc73409dd23431ff099a9692fea9987ab1fe247d09bccf267acb0420ac658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f6fc73409dd23431ff099a9692fea9987ab1fe247d09bccf267acb0420ac658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6fc73409dd23431ff099a9692fea9987ab1fe247d09bccf267acb0420ac658", kill_on_drop: false }`
[INFO] [stdout] 7f6fc73409dd23431ff099a9692fea9987ab1fe247d09bccf267acb0420ac658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd3711f0cddae6e93685f795e91729a78330ed46a5e2d2e3fbe505b4addb94d
[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" "ddd3711f0cddae6e93685f795e91729a78330ed46a5e2d2e3fbe505b4addb94d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking scopeguard v1.1.0
[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 luajit-src v210.1.0+resty31116c4
[INFO] [stderr]    Compiling lua-src v540.0.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling mlua v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[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 crossterm v0.17.7
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[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 19s
[INFO] running `Command { std: "docker" "inspect" "ddd3711f0cddae6e93685f795e91729a78330ed46a5e2d2e3fbe505b4addb94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd3711f0cddae6e93685f795e91729a78330ed46a5e2d2e3fbe505b4addb94d", kill_on_drop: false }`
[INFO] [stdout] ddd3711f0cddae6e93685f795e91729a78330ed46a5e2d2e3fbe505b4addb94d