[INFO] fetching crate alder-derive 0.2.3...
[INFO] testing alder-derive-0.2.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate alder-derive 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate alder-derive 0.2.3
[INFO] finished tweaking crates.io crate alder-derive 0.2.3
[INFO] tweaked toml for crates.io crate alder-derive 0.2.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alder-derive 0.2.3 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]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.10.2 (available: v0.20.11)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] [stderr]       Adding unindent v0.1.11 (available: v0.2.4)
[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 unindent v0.1.11
[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] f1adc66f80fc5723580cb8e4d80b239b7cc48ee595c69650273dee1967fa022b
[INFO] running `Command { std: "docker" "start" "-a" "f1adc66f80fc5723580cb8e4d80b239b7cc48ee595c69650273dee1967fa022b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1adc66f80fc5723580cb8e4d80b239b7cc48ee595c69650273dee1967fa022b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1adc66f80fc5723580cb8e4d80b239b7cc48ee595c69650273dee1967fa022b", kill_on_drop: false }`
[INFO] [stdout] f1adc66f80fc5723580cb8e4d80b239b7cc48ee595c69650273dee1967fa022b
[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] 5fa53d8edbabe4ca51d34cbfe7aa4ef52757ff45d32fcb63a789ec44bbfe2d58
[INFO] running `Command { std: "docker" "start" "-a" "5fa53d8edbabe4ca51d34cbfe7aa4ef52757ff45d32fcb63a789ec44bbfe2d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling alder-derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> src/macro_ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct CstVariantReceiver {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 35 |     ident: syn::Ident,
[INFO] [stdout] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/test_case.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestCase {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "5fa53d8edbabe4ca51d34cbfe7aa4ef52757ff45d32fcb63a789ec44bbfe2d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa53d8edbabe4ca51d34cbfe7aa4ef52757ff45d32fcb63a789ec44bbfe2d58", kill_on_drop: false }`
[INFO] [stdout] 5fa53d8edbabe4ca51d34cbfe7aa4ef52757ff45d32fcb63a789ec44bbfe2d58
[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] 0c0f03c625e3335c4f4ca5339612eee188d3c7d58e0ef8201bbe3af30e9fd1c1
[INFO] running `Command { std: "docker" "start" "-a" "0c0f03c625e3335c4f4ca5339612eee188d3c7d58e0ef8201bbe3af30e9fd1c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling alder-derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> src/macro_ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct CstVariantReceiver {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 35 |     ident: syn::Ident,
[INFO] [stdout] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/test_case.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestCase {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> src/macro_ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct CstVariantReceiver {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 35 |     ident: syn::Ident,
[INFO] [stdout] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/test_case.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestCase {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "0c0f03c625e3335c4f4ca5339612eee188d3c7d58e0ef8201bbe3af30e9fd1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0f03c625e3335c4f4ca5339612eee188d3c7d58e0ef8201bbe3af30e9fd1c1", kill_on_drop: false }`
[INFO] [stdout] 0c0f03c625e3335c4f4ca5339612eee188d3c7d58e0ef8201bbe3af30e9fd1c1
[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] 788f8ed9d7bfda61cdc91d6768d9efa70273438a159253718383740a8addf33f
[INFO] running `Command { std: "docker" "start" "-a" "788f8ed9d7bfda61cdc91d6768d9efa70273438a159253718383740a8addf33f", kill_on_drop: false }`
[INFO] [stderr] warning: field `fields` is never read
[INFO] [stderr]   --> src/macro_ast.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct CstVariantReceiver {
[INFO] [stderr]    |        ------------------ field in this struct
[INFO] [stderr] 35 |     ident: syn::Ident,
[INFO] [stderr] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/test_case.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct TestCase {
[INFO] [stderr]   |            -------- field in this struct
[INFO] [stderr] 7 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `alder-derive` (lib) generated 2 warnings
[INFO] [stderr] warning: `alder-derive` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alder_derive-d014bdbe219df0b5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alder_derive
[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] [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" "788f8ed9d7bfda61cdc91d6768d9efa70273438a159253718383740a8addf33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788f8ed9d7bfda61cdc91d6768d9efa70273438a159253718383740a8addf33f", kill_on_drop: false }`
[INFO] [stdout] 788f8ed9d7bfda61cdc91d6768d9efa70273438a159253718383740a8addf33f