[INFO] cloning repository https://github.com/digyx/Catherine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/digyx/Catherine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigyx%2FCatherine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigyx%2FCatherine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6803fe9de544062f2bfa6527b80062588ce0a50
[INFO] checking digyx/Catherine against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigyx%2FCatherine" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/digyx/Catherine on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/digyx/Catherine
[INFO] finished tweaking git repo https://github.com/digyx/Catherine
[INFO] tweaked toml for git repo https://github.com/digyx/Catherine written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/digyx/Catherine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b1ae0100443bc7bba9dd3e6d131ad2f90da6286a25b0afe754ef2ed657c8522
[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" "7b1ae0100443bc7bba9dd3e6d131ad2f90da6286a25b0afe754ef2ed657c8522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b1ae0100443bc7bba9dd3e6d131ad2f90da6286a25b0afe754ef2ed657c8522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1ae0100443bc7bba9dd3e6d131ad2f90da6286a25b0afe754ef2ed657c8522", kill_on_drop: false }`
[INFO] [stdout] 7b1ae0100443bc7bba9dd3e6d131ad2f90da6286a25b0afe754ef2ed657c8522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0eaec30ba15d7f32a231f682f15d40a1dd445be5c764907615a19286eca9a3
[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" "9e0eaec30ba15d7f32a231f682f15d40a1dd445be5c764907615a19286eca9a3", kill_on_drop: false }`
[INFO] [stderr]     Checking catherine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prime_key`
[INFO] [stdout]   --> src/db.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn delete(&mut self, prime_key: String, second_key: String) {
[INFO] [stdout]    |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_key`
[INFO] [stdout]   --> src/db.rs:61:45
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn delete(&mut self, prime_key: String, second_key: String) {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/db.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/db.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/db.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete`
[INFO] [stdout]   --> src/db.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn delete(&mut self, prime_key: String, second_key: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `input`
[INFO] [stdout]   --> src/db.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn input() -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prime_key`
[INFO] [stdout]   --> src/db.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn delete(&mut self, prime_key: String, second_key: String) {
[INFO] [stdout]    |                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prime_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_key`
[INFO] [stdout]   --> src/db.rs:61:45
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn delete(&mut self, prime_key: String, second_key: String) {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/db.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/db.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/db.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete`
[INFO] [stdout]   --> src/db.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn delete(&mut self, prime_key: String, second_key: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `input`
[INFO] [stdout]   --> src/db.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn input() -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "9e0eaec30ba15d7f32a231f682f15d40a1dd445be5c764907615a19286eca9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0eaec30ba15d7f32a231f682f15d40a1dd445be5c764907615a19286eca9a3", kill_on_drop: false }`
[INFO] [stdout] 9e0eaec30ba15d7f32a231f682f15d40a1dd445be5c764907615a19286eca9a3