[INFO] fetching crate cfgmap 0.4.0...
[INFO] checking cfgmap-0.4.0 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate cfgmap 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cfgmap 0.4.0 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfgmap 0.4.0
[INFO] finished tweaking crates.io crate cfgmap 0.4.0
[INFO] tweaked toml for crates.io crate cfgmap 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 126d6daa231ebe9f10fa3239c0549cd5ab80d33143dcf306968452a69dc89e82
[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" "126d6daa231ebe9f10fa3239c0549cd5ab80d33143dcf306968452a69dc89e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "126d6daa231ebe9f10fa3239c0549cd5ab80d33143dcf306968452a69dc89e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126d6daa231ebe9f10fa3239c0549cd5ab80d33143dcf306968452a69dc89e82", kill_on_drop: false }`
[INFO] [stdout] 126d6daa231ebe9f10fa3239c0549cd5ab80d33143dcf306968452a69dc89e82
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb2464dc4fa7fe49df5a3c7f0de8a0b8d41f41aac47c9c03ef09da72f9781748
[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" "bb2464dc4fa7fe49df5a3c7f0de8a0b8d41f41aac47c9c03ef09da72f9781748", kill_on_drop: false }`
[INFO] [stderr]     Checking cfgmap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]     --> src/cfgmap.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 |     use crate::prelude::*;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` 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 0.52s
[INFO] running `Command { std: "docker" "inspect" "bb2464dc4fa7fe49df5a3c7f0de8a0b8d41f41aac47c9c03ef09da72f9781748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2464dc4fa7fe49df5a3c7f0de8a0b8d41f41aac47c9c03ef09da72f9781748", kill_on_drop: false }`
[INFO] [stdout] bb2464dc4fa7fe49df5a3c7f0de8a0b8d41f41aac47c9c03ef09da72f9781748