[INFO] updating cached repository https://github.com/Kilerd/staple
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/Kilerd/staple
[INFO] [stderr]    387b205..fd772b8  gh-pages   -> gh-pages
[INFO] [stderr]    cb1b929..181de69  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 181de69d381ad99736dfa71f60af8b9be68f7c69
[INFO] checking Kilerd/staple against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKilerd%2Fstaple" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kilerd/staple on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Kilerd/staple
[INFO] finished tweaking git repo https://github.com/Kilerd/staple
[INFO] tweaked toml for git repo https://github.com/Kilerd/staple written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Kilerd/staple already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50b714b52b2230d8278f69e1b20963651dd244f46c39ef820303ed1d9e87fcfc
[INFO] running `"docker" "start" "-a" "50b714b52b2230d8278f69e1b20963651dd244f46c39ef820303ed1d9e87fcfc"`
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling file-lock v1.1.20
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling actix-web-codegen v0.1.3
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.2
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking copy_dir v0.1.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking v_htmlescape v0.4.5
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix-utils v0.4.7
[INFO] [stderr]     Checking actix-server-config v0.1.2
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-threadpool v0.1.2
[INFO] [stderr]     Checking actix-rt v0.2.5
[INFO] [stderr]     Checking actix-connect v0.2.5
[INFO] [stderr]     Checking actix-server v0.6.1
[INFO] [stderr]     Checking actix-testing v0.1.0
[INFO] [stderr]     Checking actix-http v0.2.10
[INFO] [stderr]     Checking awc v0.2.7
[INFO] [stderr]     Checking actix v0.8.3
[INFO] [stderr]     Checking actix-web v1.0.8
[INFO] [stderr]     Checking actix-web-actors v1.0.2
[INFO] [stderr]     Checking actix-files v0.1.6
[INFO] [stderr]     Checking staple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/server/ws.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/server/ws.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `config_file_exist`
[INFO] [stderr]    --> src/command.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn config_file_exist() -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/command.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 StapleCommand::build();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `config_file_exist`
[INFO] [stderr]    --> src/command.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn config_file_exist() -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/command.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 StapleCommand::build();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 58s
[INFO] running `"docker" "inspect" "50b714b52b2230d8278f69e1b20963651dd244f46c39ef820303ed1d9e87fcfc"`
[INFO] running `"docker" "rm" "-f" "50b714b52b2230d8278f69e1b20963651dd244f46c39ef820303ed1d9e87fcfc"`
[INFO] [stdout] 50b714b52b2230d8278f69e1b20963651dd244f46c39ef820303ed1d9e87fcfc