[INFO] cloning repository https://github.com/carlosdp/enigma
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlosdp/enigma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosdp%2Fenigma", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosdp%2Fenigma'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77bc439441dea630c2c01eb91fa806b1a5c78655
[INFO] checking carlosdp/enigma against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosdp%2Fenigma" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carlosdp/enigma on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carlosdp/enigma
[INFO] finished tweaking git repo https://github.com/carlosdp/enigma
[INFO] tweaked toml for git repo https://github.com/carlosdp/enigma written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/carlosdp/enigma already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76c333d09df88dca2a364bb4839522bffebec46af887cb20815c0b94d04a0828
[INFO] running `Command { std: "docker" "start" "-a" "76c333d09df88dca2a364bb4839522bffebec46af887cb20815c0b94d04a0828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c333d09df88dca2a364bb4839522bffebec46af887cb20815c0b94d04a0828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c333d09df88dca2a364bb4839522bffebec46af887cb20815c0b94d04a0828", kill_on_drop: false }`
[INFO] [stdout] 76c333d09df88dca2a364bb4839522bffebec46af887cb20815c0b94d04a0828
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a6fbbcc4a6684de2757f110af771d2ae3888aa4262360edd2e2eefda167109
[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" "f0a6fbbcc4a6684de2757f110af771d2ae3888aa4262360edd2e2eefda167109", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tar v0.4.20
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking enigma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `list_items`
[INFO] [stdout]    --> src/onepass.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn list_items(&self) -> Vec<OnePassItem> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_items`
[INFO] [stdout]    --> src/onepass.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn list_items(&self) -> Vec<OnePassItem> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.25s
[INFO] running `Command { std: "docker" "inspect" "f0a6fbbcc4a6684de2757f110af771d2ae3888aa4262360edd2e2eefda167109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a6fbbcc4a6684de2757f110af771d2ae3888aa4262360edd2e2eefda167109", kill_on_drop: false }`
[INFO] [stdout] f0a6fbbcc4a6684de2757f110af771d2ae3888aa4262360edd2e2eefda167109