[INFO] fetching crate serde-hessian 0.1.0-rc1...
[INFO] testing serde-hessian-0.1.0-rc1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate serde-hessian 0.1.0-rc1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate serde-hessian 0.1.0-rc1
[INFO] finished tweaking crates.io crate serde-hessian 0.1.0-rc1
[INFO] tweaked toml for crates.io crate serde-hessian 0.1.0-rc1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-hessian 0.1.0-rc1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[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 ordered-float v1.1.1
[INFO] [stderr]   Downloaded hessian_rs v0.0.4-rc3
[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] 775c9d8707dee5c525ffeab4a43e0bcfbaa0be70cabb55d8fbf6a805b6c7da4a
[INFO] running `Command { std: "docker" "start" "-a" "775c9d8707dee5c525ffeab4a43e0bcfbaa0be70cabb55d8fbf6a805b6c7da4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775c9d8707dee5c525ffeab4a43e0bcfbaa0be70cabb55d8fbf6a805b6c7da4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775c9d8707dee5c525ffeab4a43e0bcfbaa0be70cabb55d8fbf6a805b6c7da4a", kill_on_drop: false }`
[INFO] [stdout] 775c9d8707dee5c525ffeab4a43e0bcfbaa0be70cabb55d8fbf6a805b6c7da4a
[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] cb8ba6f179b4c16dc5dab43ee95fe552934eca0f5deb3206b72933c9c8c5a7e8
[INFO] running `Command { std: "docker" "start" "-a" "cb8ba6f179b4c16dc5dab43ee95fe552934eca0f5deb3206b72933c9c8c5a7e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling hessian_rs v0.0.4-rc3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde-hessian v0.1.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `Command { std: "docker" "inspect" "cb8ba6f179b4c16dc5dab43ee95fe552934eca0f5deb3206b72933c9c8c5a7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8ba6f179b4c16dc5dab43ee95fe552934eca0f5deb3206b72933c9c8c5a7e8", kill_on_drop: false }`
[INFO] [stdout] cb8ba6f179b4c16dc5dab43ee95fe552934eca0f5deb3206b72933c9c8c5a7e8
[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] 5c3527b44c2ccb29b893d1cf43627a6370ac59cefbd67ef8a0302d6c07b49116
[INFO] running `Command { std: "docker" "start" "-a" "5c3527b44c2ccb29b893d1cf43627a6370ac59cefbd67ef8a0302d6c07b49116", kill_on_drop: false }`
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde-hessian v0.1.0-rc1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/ser.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     name: Option<&'static str>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "5c3527b44c2ccb29b893d1cf43627a6370ac59cefbd67ef8a0302d6c07b49116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3527b44c2ccb29b893d1cf43627a6370ac59cefbd67ef8a0302d6c07b49116", kill_on_drop: false }`
[INFO] [stdout] 5c3527b44c2ccb29b893d1cf43627a6370ac59cefbd67ef8a0302d6c07b49116
[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] c7ef7c4d7c58989b24cb079f0d61186ca76b1eb1506f8fab6046a199235381fd
[INFO] running `Command { std: "docker" "start" "-a" "c7ef7c4d7c58989b24cb079f0d61186ca76b1eb1506f8fab6046a199235381fd", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/ser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct MapSerializer<'a, W: io::Write> {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 26 |     name: Option<&'static str>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-hessian` (lib) generated 1 warning
[INFO] [stderr] warning: `serde-hessian` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/serde_hessian-2657bce26fbfddf2)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test de::tests::test_basic_type ... ok
[INFO] [stdout] test de::tests::test_basic_object_type ... ok
[INFO] [stdout] test de::tests::test_newtype_struct ... ok
[INFO] [stdout] test de::tests::test_basic_struct ... ok
[INFO] [stdout] test de::tests::test_enum ... ok
[INFO] [stdout] test ser::test::test_enum ... ok
[INFO] [stdout] test ser::test::test_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7ef7c4d7c58989b24cb079f0d61186ca76b1eb1506f8fab6046a199235381fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ef7c4d7c58989b24cb079f0d61186ca76b1eb1506f8fab6046a199235381fd", kill_on_drop: false }`
[INFO] [stdout] c7ef7c4d7c58989b24cb079f0d61186ca76b1eb1506f8fab6046a199235381fd