[INFO] cloning repository https://github.com/Kaan0200/dj-key-recognizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kaan0200/dj-key-recognizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaan0200%2Fdj-key-recognizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaan0200%2Fdj-key-recognizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f096269952d76d2b8b5f1fcde958145b56188a0
[INFO] testing Kaan0200/dj-key-recognizer against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaan0200%2Fdj-key-recognizer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kaan0200/dj-key-recognizer on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kaan0200/dj-key-recognizer
[INFO] finished tweaking git repo https://github.com/Kaan0200/dj-key-recognizer
[INFO] tweaked toml for git repo https://github.com/Kaan0200/dj-key-recognizer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kaan0200/dj-key-recognizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 64194cafd89a597fe5e4f7d38eeb5a35bda61627c78ff3ff0899f1d6268f8536
[INFO] running `Command { std: "docker" "start" "-a" "64194cafd89a597fe5e4f7d38eeb5a35bda61627c78ff3ff0899f1d6268f8536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64194cafd89a597fe5e4f7d38eeb5a35bda61627c78ff3ff0899f1d6268f8536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64194cafd89a597fe5e4f7d38eeb5a35bda61627c78ff3ff0899f1d6268f8536", kill_on_drop: false }`
[INFO] [stdout] 64194cafd89a597fe5e4f7d38eeb5a35bda61627c78ff3ff0899f1d6268f8536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 2f6f4afb942ecd00695e274578705fd9fe2e947903471410ee159bee20226a86
[INFO] running `Command { std: "docker" "start" "-a" "2f6f4afb942ecd00695e274578705fd9fe2e947903471410ee159bee20226a86", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let key = key.parse::<CamelotKey>();
[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: struct is never constructed: `MusicalKey`
[INFO] [stdout]  --> src/DJKey.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     struct MusicalKey {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_camelot`
[INFO] [stdout]  --> src/DJKey.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn from_camelot(input_key: CamelotKey) -> MusicalKey {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_raw_as_camelot`
[INFO] [stdout]   --> src/DJKey.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn from_raw_as_camelot(input_raw: &str) -> MusicalKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Key`
[INFO] [stdout]   --> src/DJKey.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |     enum Key {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DJKey` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod DJKey;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `djkey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DJKey` should have a snake case name
[INFO] [stdout]  --> src/DJKey.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod DJKey {
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case: `djkey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f6f4afb942ecd00695e274578705fd9fe2e947903471410ee159bee20226a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6f4afb942ecd00695e274578705fd9fe2e947903471410ee159bee20226a86", kill_on_drop: false }`
[INFO] [stdout] 2f6f4afb942ecd00695e274578705fd9fe2e947903471410ee159bee20226a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd46edbed0cb508c4e9994838518aecf13014db8288c680808406e326cbf0d43
[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" "dd46edbed0cb508c4e9994838518aecf13014db8288c680808406e326cbf0d43", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let key = key.parse::<CamelotKey>();
[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: struct is never constructed: `MusicalKey`
[INFO] [stdout]  --> src/DJKey.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     struct MusicalKey {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_camelot`
[INFO] [stdout]  --> src/DJKey.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn from_camelot(input_key: CamelotKey) -> MusicalKey {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_raw_as_camelot`
[INFO] [stdout]   --> src/DJKey.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn from_raw_as_camelot(input_raw: &str) -> MusicalKey {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Key`
[INFO] [stdout]   --> src/DJKey.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |     enum Key {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Rust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DJKey` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod DJKey;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `djkey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `DJKey` should have a snake case name
[INFO] [stdout]  --> src/DJKey.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod DJKey {
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case: `djkey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "dd46edbed0cb508c4e9994838518aecf13014db8288c680808406e326cbf0d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd46edbed0cb508c4e9994838518aecf13014db8288c680808406e326cbf0d43", kill_on_drop: false }`
[INFO] [stdout] dd46edbed0cb508c4e9994838518aecf13014db8288c680808406e326cbf0d43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 66d2e70d92c6f6d330eaa98f258cdf6771f13f737bdd3c989a32dcbb0de3842a
[INFO] running `Command { std: "docker" "start" "-a" "66d2e70d92c6f6d330eaa98f258cdf6771f13f737bdd3c989a32dcbb0de3842a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 23 |     let key = key.parse::<CamelotKey>();
[INFO] [stdout] 
[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: struct is never constructed: `MusicalKey`
[INFO] [stderr]  --> src/DJKey.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     struct MusicalKey {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_camelot`
[INFO] [stderr]  --> src/DJKey.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn from_camelot(input_key: CamelotKey) -> MusicalKey {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_raw_as_camelot`
[INFO] [stderr]   --> src/DJKey.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |         fn from_raw_as_camelot(input_raw: &str) -> MusicalKey {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Key`
[INFO] [stderr]   --> src/DJKey.rs:70:10
[INFO] [stderr]    |
[INFO] [stderr] 70 |     enum Key {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Rust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust`
[INFO] [stderr] 
[INFO] [stderr] warning: module `DJKey` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod DJKey;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `djkey`
[INFO] [stderr] 
[INFO] [stderr] warning: module `DJKey` should have a snake case name
[INFO] [stderr]  --> src/DJKey.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod DJKey {
[INFO] [stderr]   |         ^^^^^ help: convert the identifier to snake case: `djkey`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Rust-7056cbdb07c639df
[INFO] running `Command { std: "docker" "inspect" "66d2e70d92c6f6d330eaa98f258cdf6771f13f737bdd3c989a32dcbb0de3842a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d2e70d92c6f6d330eaa98f258cdf6771f13f737bdd3c989a32dcbb0de3842a", kill_on_drop: false }`
[INFO] [stdout] 66d2e70d92c6f6d330eaa98f258cdf6771f13f737bdd3c989a32dcbb0de3842a