[INFO] fetching crate rrs 0.0.7...
[INFO] testing rrs-0.0.7 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rrs 0.0.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rrs 0.0.7 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate crates.io crate rrs 0.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 476c057cb95541fcc19573dad9b978f08d10c88f354828cdaa35ebe4ed425cff
[INFO] running `Command { std: "docker" "start" "-a" "476c057cb95541fcc19573dad9b978f08d10c88f354828cdaa35ebe4ed425cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "476c057cb95541fcc19573dad9b978f08d10c88f354828cdaa35ebe4ed425cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476c057cb95541fcc19573dad9b978f08d10c88f354828cdaa35ebe4ed425cff", kill_on_drop: false }`
[INFO] [stdout] 476c057cb95541fcc19573dad9b978f08d10c88f354828cdaa35ebe4ed425cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff161f15634ad9ce1cf98469164103bf09e2beb8d1797bd9e1072ddb2e8b906a
[INFO] running `Command { std: "docker" "start" "-a" "ff161f15634ad9ce1cf98469164103bf09e2beb8d1797bd9e1072ddb2e8b906a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling temp-file v0.1.6
[INFO] [stderr]    Compiling 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "ff161f15634ad9ce1cf98469164103bf09e2beb8d1797bd9e1072ddb2e8b906a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff161f15634ad9ce1cf98469164103bf09e2beb8d1797bd9e1072ddb2e8b906a", kill_on_drop: false }`
[INFO] [stdout] ff161f15634ad9ce1cf98469164103bf09e2beb8d1797bd9e1072ddb2e8b906a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761bd6e791a3ae4aee5437674ba5ae99c104e7c3a1464431e84d07add4958197
[INFO] running `Command { std: "docker" "start" "-a" "761bd6e791a3ae4aee5437674ba5ae99c104e7c3a1464431e84d07add4958197", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling rrs v0.0.7 (/opt/rustwide/workdir)
[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: 3 warnings emitted
[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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "761bd6e791a3ae4aee5437674ba5ae99c104e7c3a1464431e84d07add4958197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761bd6e791a3ae4aee5437674ba5ae99c104e7c3a1464431e84d07add4958197", kill_on_drop: false }`
[INFO] [stdout] 761bd6e791a3ae4aee5437674ba5ae99c104e7c3a1464431e84d07add4958197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61cd62dde15862c1b36a8421ceb325794b158a43be08a6a6f17c749ff8780523
[INFO] running `Command { std: "docker" "start" "-a" "61cd62dde15862c1b36a8421ceb325794b158a43be08a6a6f17c749ff8780523", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]  --> src/registrymanager.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn register_string(key: &str,content: &str) {
[INFO] [stderr]   |                        ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/registrymanager.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn register_int(key: &str,value: &[u8]) {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Registry` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod Registry;
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `registry`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rrs` (lib) generated 3 warnings
[INFO] [stderr] warning: `rrs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rrs-4efa600ad23c656e)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rrs-0355fe8bd10d3d35)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rrs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61cd62dde15862c1b36a8421ceb325794b158a43be08a6a6f17c749ff8780523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61cd62dde15862c1b36a8421ceb325794b158a43be08a6a6f17c749ff8780523", kill_on_drop: false }`
[INFO] [stdout] 61cd62dde15862c1b36a8421ceb325794b158a43be08a6a6f17c749ff8780523