[INFO] cloning repository https://github.com/alisyahidin/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alisyahidin/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39e06a4c47405f6bd1d3bfee0b1d08a704491315
[INFO] testing alisyahidin/learn-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisyahidin%2Flearn-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alisyahidin/learn-rust
[INFO] finished tweaking git repo https://github.com/alisyahidin/learn-rust
[INFO] tweaked toml for git repo https://github.com/alisyahidin/learn-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alisyahidin/learn-rust 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/alisyahidin/learn-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] da13096e25e61e70154da043a15553504f77c71897bf146a7d8cc1cce58e2ab3
[INFO] running `Command { std: "docker" "start" "-a" "da13096e25e61e70154da043a15553504f77c71897bf146a7d8cc1cce58e2ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da13096e25e61e70154da043a15553504f77c71897bf146a7d8cc1cce58e2ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da13096e25e61e70154da043a15553504f77c71897bf146a7d8cc1cce58e2ab3", kill_on_drop: false }`
[INFO] [stdout] da13096e25e61e70154da043a15553504f77c71897bf146a7d8cc1cce58e2ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 138653c68dda9c92504b954535af062387654cec58f7e15152e4a62f714ebe35
[INFO] running `Command { std: "docker" "start" "-a" "138653c68dda9c92504b954535af062387654cec58f7e15152e4a62f714ebe35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | struct Address(f32, f32, f32);
[INFO] [stdout]    |        -------      ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 87 - struct Address(f32, f32, f32);
[INFO] [stdout] 87 + struct Address(f32, (), f32);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stdout]    --> src/main.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | enum Day {
[INFO] [stdout]     |      --- variants in this enum
[INFO] [stdout] 127 |     Monday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 128 |     Tuesday,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 129 |     Wednesday,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 130 |     Thursday,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 131 |     Friday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 132 |     Saturday,
[INFO] [stdout] 133 |     Sunday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "138653c68dda9c92504b954535af062387654cec58f7e15152e4a62f714ebe35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "138653c68dda9c92504b954535af062387654cec58f7e15152e4a62f714ebe35", kill_on_drop: false }`
[INFO] [stdout] 138653c68dda9c92504b954535af062387654cec58f7e15152e4a62f714ebe35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b860be36b18b0ec2ec362eeb00e0313a8a38f6a0098aaf9aee46259de25ddb38
[INFO] running `Command { std: "docker" "start" "-a" "b860be36b18b0ec2ec362eeb00e0313a8a38f6a0098aaf9aee46259de25ddb38", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 | struct Address(f32, f32, f32);
[INFO] [stdout]    |        -------      ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 87 - struct Address(f32, f32, f32);
[INFO] [stdout] 87 + struct Address(f32, (), f32);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stdout]    --> src/main.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | enum Day {
[INFO] [stdout]     |      --- variants in this enum
[INFO] [stdout] 127 |     Monday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 128 |     Tuesday,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 129 |     Wednesday,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 130 |     Thursday,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 131 |     Friday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 132 |     Saturday,
[INFO] [stdout] 133 |     Sunday,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "b860be36b18b0ec2ec362eeb00e0313a8a38f6a0098aaf9aee46259de25ddb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b860be36b18b0ec2ec362eeb00e0313a8a38f6a0098aaf9aee46259de25ddb38", kill_on_drop: false }`
[INFO] [stdout] b860be36b18b0ec2ec362eeb00e0313a8a38f6a0098aaf9aee46259de25ddb38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 964caf70b36cf17be034039727f75f57a92f9d52837b6c52a668187003a86929
[INFO] running `Command { std: "docker" "start" "-a" "964caf70b36cf17be034039727f75f57a92f9d52837b6c52a668187003a86929", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/main.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 | struct Address(f32, f32, f32);
[INFO] [stderr]    |        -------      ^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 87 - struct Address(f32, f32, f32);
[INFO] [stderr] 87 + struct Address(f32, (), f32);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stderr]    --> src/main.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 126 | enum Day {
[INFO] [stderr]     |      --- variants in this enum
[INFO] [stderr] 127 |     Monday,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 128 |     Tuesday,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 129 |     Wednesday,
[INFO] [stdout] 
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stdout] running 0 tests
[INFO] [stderr] 130 |     Thursday,
[INFO] [stdout] 
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 131 |     Friday,
[INFO] [stdout] 
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 132 |     Saturday,
[INFO] [stderr] 133 |     Sunday,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hello_rust-0edd9bb2486b6d3b)
[INFO] running `Command { std: "docker" "inspect" "964caf70b36cf17be034039727f75f57a92f9d52837b6c52a668187003a86929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964caf70b36cf17be034039727f75f57a92f9d52837b6c52a668187003a86929", kill_on_drop: false }`
[INFO] [stdout] 964caf70b36cf17be034039727f75f57a92f9d52837b6c52a668187003a86929