[INFO] cloning repository https://github.com/Dirlandets/rust-udemy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dirlandets/rust-udemy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirlandets%2Frust-udemy"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirlandets%2Frust-udemy'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e235d8ce23e5638b208af905f51e833a352fe302
[INFO] testing Dirlandets/rust-udemy against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirlandets%2Frust-udemy" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dirlandets/rust-udemy on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dirlandets/rust-udemy
[INFO] finished tweaking git repo https://github.com/Dirlandets/rust-udemy
[INFO] tweaked toml for git repo https://github.com/Dirlandets/rust-udemy written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dirlandets/rust-udemy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c3dd8749bbbb5a059d8f74fb3f5aeaf98f80e185097e3caa4ed91f45f4fd865
[INFO] running `"docker" "start" "-a" "1c3dd8749bbbb5a059d8f74fb3f5aeaf98f80e185097e3caa4ed91f45f4fd865"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling systemstat v0.1.5
[INFO] [stderr]    Compiling course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/part_4_data_structures/enums.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         _ => String::from("SOME COLOR")
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `State`
[INFO] [stderr]  --> src/part_3_control_flow/combination_lock.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum State {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/part_3_control_flow/combination_lock.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Red`
[INFO] [stderr]  --> src/part_4_data_structures/enums.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Red,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blue`
[INFO] [stderr]  --> src/part_4_data_structures/enums.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `"docker" "inspect" "1c3dd8749bbbb5a059d8f74fb3f5aeaf98f80e185097e3caa4ed91f45f4fd865"`
[INFO] running `"docker" "rm" "-f" "1c3dd8749bbbb5a059d8f74fb3f5aeaf98f80e185097e3caa4ed91f45f4fd865"`
[INFO] [stdout] 1c3dd8749bbbb5a059d8f74fb3f5aeaf98f80e185097e3caa4ed91f45f4fd865
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fae5e3ea35ec0dc4945091c1aa37f97321a60025138e8b44652b8660fe20fbf
[INFO] running `"docker" "start" "-a" "0fae5e3ea35ec0dc4945091c1aa37f97321a60025138e8b44652b8660fe20fbf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/part_4_data_structures/enums.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         _ => String::from("SOME COLOR")
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `State`
[INFO] [stderr]  --> src/part_3_control_flow/combination_lock.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum State {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/part_3_control_flow/combination_lock.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Red`
[INFO] [stderr]  --> src/part_4_data_structures/enums.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Red,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blue`
[INFO] [stderr]  --> src/part_4_data_structures/enums.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "0fae5e3ea35ec0dc4945091c1aa37f97321a60025138e8b44652b8660fe20fbf"`
[INFO] running `"docker" "rm" "-f" "0fae5e3ea35ec0dc4945091c1aa37f97321a60025138e8b44652b8660fe20fbf"`
[INFO] [stdout] 0fae5e3ea35ec0dc4945091c1aa37f97321a60025138e8b44652b8660fe20fbf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4145c11b326a474705481cb5d4695b38cf7d0aee1cf637f8a5513c17370bd4f2
[INFO] running `"docker" "start" "-a" "4145c11b326a474705481cb5d4695b38cf7d0aee1cf637f8a5513c17370bd4f2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/part_4_data_structures/enums.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         _ => String::from("SOME COLOR")
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `State`
[INFO] [stderr]  --> src/part_3_control_flow/combination_lock.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum State {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/part_3_control_flow/combination_lock.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Red`
[INFO] [stderr]  --> src/part_4_data_structures/enums.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Red,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blue`
[INFO] [stderr]  --> src/part_4_data_structures/enums.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/course-68986f1160e35378
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4145c11b326a474705481cb5d4695b38cf7d0aee1cf637f8a5513c17370bd4f2"`
[INFO] running `"docker" "rm" "-f" "4145c11b326a474705481cb5d4695b38cf7d0aee1cf637f8a5513c17370bd4f2"`
[INFO] [stdout] 4145c11b326a474705481cb5d4695b38cf7d0aee1cf637f8a5513c17370bd4f2