[INFO] cloning repository https://github.com/beebozy/Rust-Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beebozy/Rust-Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeebozy%2FRust-Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeebozy%2FRust-Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20a0be440d7f8bc6a9e1aa2dc9a3a0f1d21bf111
[INFO] testing beebozy/Rust-Learning 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%2Fbeebozy%2FRust-Learning" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beebozy/Rust-Learning
[INFO] finished tweaking git repo https://github.com/beebozy/Rust-Learning
[INFO] tweaked toml for git repo https://github.com/beebozy/Rust-Learning written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beebozy/Rust-Learning 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/beebozy/Rust-Learning 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 syn v2.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 70791890ebea02ab310ad28ce2ea93cf4d2c2b9fc0d042274fd761ae6eb7d302
[INFO] running `Command { std: "docker" "start" "-a" "70791890ebea02ab310ad28ce2ea93cf4d2c2b9fc0d042274fd761ae6eb7d302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70791890ebea02ab310ad28ce2ea93cf4d2c2b9fc0d042274fd761ae6eb7d302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70791890ebea02ab310ad28ce2ea93cf4d2c2b9fc0d042274fd761ae6eb7d302", kill_on_drop: false }`
[INFO] [stdout] 70791890ebea02ab310ad28ce2ea93cf4d2c2b9fc0d042274fd761ae6eb7d302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 33b8e65c670abe06ccefd0375752c0568741e0771197cdc5df40c345ae4ec65d
[INFO] running `Command { std: "docker" "start" "-a" "33b8e65c670abe06ccefd0375752c0568741e0771197cdc5df40c345ae4ec65d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling json_Writer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `User as DeserializeUser`
[INFO] [stdout]  --> src/main.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use deserialize::{deserialize_user, User as DeserializeUser};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.44s
[INFO] running `Command { std: "docker" "inspect" "33b8e65c670abe06ccefd0375752c0568741e0771197cdc5df40c345ae4ec65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b8e65c670abe06ccefd0375752c0568741e0771197cdc5df40c345ae4ec65d", kill_on_drop: false }`
[INFO] [stdout] 33b8e65c670abe06ccefd0375752c0568741e0771197cdc5df40c345ae4ec65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 57fc6872e42639fe56f9cec6ee773c55779826e95d276574772b0f1109e4240e
[INFO] running `Command { std: "docker" "start" "-a" "57fc6872e42639fe56f9cec6ee773c55779826e95d276574772b0f1109e4240e", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_Writer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `User as DeserializeUser`
[INFO] [stdout]  --> src/main.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use deserialize::{deserialize_user, User as DeserializeUser};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "57fc6872e42639fe56f9cec6ee773c55779826e95d276574772b0f1109e4240e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fc6872e42639fe56f9cec6ee773c55779826e95d276574772b0f1109e4240e", kill_on_drop: false }`
[INFO] [stdout] 57fc6872e42639fe56f9cec6ee773c55779826e95d276574772b0f1109e4240e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 675dbbbc37426211745a82a36133a215365ff799596ddde43ae4d7a5bc9b2e56
[INFO] running `Command { std: "docker" "start" "-a" "675dbbbc37426211745a82a36133a215365ff799596ddde43ae4d7a5bc9b2e56", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `User as DeserializeUser`
[INFO] [stderr]  --> src/main.rs:5:37
[INFO] [stderr]   |
[INFO] [stderr] 5 | use deserialize::{deserialize_user, User as DeserializeUser};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `json_Writer` (bin "json_Writer" test) generated 1 warning (run `cargo fix --bin "json_Writer" --tests` to apply 1 suggestion)
[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/json_Writer-f7197ec66ccc0ca8)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "675dbbbc37426211745a82a36133a215365ff799596ddde43ae4d7a5bc9b2e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675dbbbc37426211745a82a36133a215365ff799596ddde43ae4d7a5bc9b2e56", kill_on_drop: false }`
[INFO] [stdout] 675dbbbc37426211745a82a36133a215365ff799596ddde43ae4d7a5bc9b2e56