[INFO] cloning repository https://github.com/sammrai/rustdemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammrai/rustdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammrai%2Frustdemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammrai%2Frustdemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9b1aa894bcc210840df3eed214d46cdb5c53479
[INFO] testing sammrai/rustdemo against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammrai%2Frustdemo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sammrai/rustdemo
[INFO] finished tweaking git repo https://github.com/sammrai/rustdemo
[INFO] tweaked toml for git repo https://github.com/sammrai/rustdemo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sammrai/rustdemo on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sammrai/rustdemo 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sammrai/lib-rustdemo`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f628d4abf5c8db0d184604ed5e7d9a487dcb7ea66a5600814b728ed315431ee5
[INFO] running `Command { std: "docker" "start" "-a" "f628d4abf5c8db0d184604ed5e7d9a487dcb7ea66a5600814b728ed315431ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f628d4abf5c8db0d184604ed5e7d9a487dcb7ea66a5600814b728ed315431ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f628d4abf5c8db0d184604ed5e7d9a487dcb7ea66a5600814b728ed315431ee5", kill_on_drop: false }`
[INFO] [stdout] f628d4abf5c8db0d184604ed5e7d9a487dcb7ea66a5600814b728ed315431ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 84285b5d730d2dab5dfb27e2191eb301420a5fcf8669a804c737c993a393970c
[INFO] running `Command { std: "docker" "start" "-a" "84285b5d730d2dab5dfb27e2191eb301420a5fcf8669a804c737c993a393970c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lib_demo v0.1.0 (https://github.com/sammrai/lib-rustdemo#ac9f3ce0)
[INFO] [stderr]    Compiling lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/unit_test.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rectangle{
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compare_area` is never used
[INFO] [stdout]  --> src/unit_test.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Rectangle{
[INFO] [stdout]   | -------------- method in this implementation
[INFO] [stdout] 7 |     fn compare_area(&self, other: &Rectangle) -> bool{
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double_value` is never used
[INFO] [stdout]   --> src/unit_test.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn double_value(a: i32) -> i32{
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greeting` is never used
[INFO] [stdout]   --> src/unit_test.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn greeting(name: &str) -> String{
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "84285b5d730d2dab5dfb27e2191eb301420a5fcf8669a804c737c993a393970c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84285b5d730d2dab5dfb27e2191eb301420a5fcf8669a804c737c993a393970c", kill_on_drop: false }`
[INFO] [stdout] 84285b5d730d2dab5dfb27e2191eb301420a5fcf8669a804c737c993a393970c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] da3ecd165294447b868ec3effba1271c13b363633af71359bfbe0c0cedbfaf9b
[INFO] running `Command { std: "docker" "start" "-a" "da3ecd165294447b868ec3effba1271c13b363633af71359bfbe0c0cedbfaf9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "da3ecd165294447b868ec3effba1271c13b363633af71359bfbe0c0cedbfaf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3ecd165294447b868ec3effba1271c13b363633af71359bfbe0c0cedbfaf9b", kill_on_drop: false }`
[INFO] [stdout] da3ecd165294447b868ec3effba1271c13b363633af71359bfbe0c0cedbfaf9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5452a510f4a1c8ce514f6d943f90b4c120904c1db8812f343f9c65b1fb6721ae
[INFO] running `Command { std: "docker" "start" "-a" "5452a510f4a1c8ce514f6d943f90b4c120904c1db8812f343f9c65b1fb6721ae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/lesson-a15dfb0f953f8af7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test unit_test::tests::test_a_is_smaller ... ok
[INFO] [stdout] test unit_test::tests::test_double ... ok
[INFO] [stdout] test unit_test::tests::test_contains_name ... ok
[INFO] [stdout] test unit_test::tests::test_a_is_lager ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5452a510f4a1c8ce514f6d943f90b4c120904c1db8812f343f9c65b1fb6721ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5452a510f4a1c8ce514f6d943f90b4c120904c1db8812f343f9c65b1fb6721ae", kill_on_drop: false }`
[INFO] [stdout] 5452a510f4a1c8ce514f6d943f90b4c120904c1db8812f343f9c65b1fb6721ae