[INFO] fetching crate rrs 0.0.7...
[INFO] checking rrs-0.0.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate rrs 0.0.7 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rrs 0.0.7
[INFO] finished tweaking crates.io crate rrs 0.0.7
[INFO] tweaked toml for crates.io crate rrs 0.0.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rrs 0.0.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rrs 0.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded temp-file v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901130738d5f007c2b64497700946496dda051dee81ea2540184291bc475f734
[INFO] running `Command { std: "docker" "start" "-a" "901130738d5f007c2b64497700946496dda051dee81ea2540184291bc475f734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901130738d5f007c2b64497700946496dda051dee81ea2540184291bc475f734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901130738d5f007c2b64497700946496dda051dee81ea2540184291bc475f734", kill_on_drop: false }`
[INFO] [stdout] 901130738d5f007c2b64497700946496dda051dee81ea2540184291bc475f734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f38e485ae2e0100fd47d96535b935c86349b1e79dd22196f4dd946acf2296aa3
[INFO] running `Command { std: "docker" "start" "-a" "f38e485ae2e0100fd47d96535b935c86349b1e79dd22196f4dd946acf2296aa3", kill_on_drop: false }`
[INFO] [stderr]     Checking temp-file v0.1.6
[INFO] [stderr]     Checking rrs v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]  --> src/registrymanager.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn register_string(key: &str,content: &str) {
[INFO] [stdout]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/registrymanager.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn register_int(key: &str,value: &[u8]) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Registry` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Registry;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `registry`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]  --> src/registrymanager.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn register_string(key: &str,content: &str) {
[INFO] [stdout]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/registrymanager.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn register_int(key: &str,value: &[u8]) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Registry` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Registry;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `registry`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "f38e485ae2e0100fd47d96535b935c86349b1e79dd22196f4dd946acf2296aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38e485ae2e0100fd47d96535b935c86349b1e79dd22196f4dd946acf2296aa3", kill_on_drop: false }`
[INFO] [stdout] f38e485ae2e0100fd47d96535b935c86349b1e79dd22196f4dd946acf2296aa3