[INFO] fetching crate serde-tc-macro 0.4.0...
[INFO] testing serde-tc-macro-0.4.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate serde-tc-macro 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serde-tc-macro 0.4.0
[INFO] finished tweaking crates.io crate serde-tc-macro 0.4.0
[INFO] tweaked toml for crates.io crate serde-tc-macro 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-tc-macro 0.4.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to highest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding proc-macro-crate v0.1.5 (available: v3.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413
[INFO] running `Command { std: "docker" "start" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling serde-tc-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stdout]   --> src/args.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MacroArgs {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub encoder: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub dispatcher: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `proc-macro-crate`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.proc-macro-crate]
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `proc-macro-crate`
[INFO] [stderr] warning: `serde-tc-macro` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-tc-macro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stdout]   --> src/args.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MacroArgs {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub encoder: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub dispatcher: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stdout]   --> src/args.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct MacroArgs {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub encoder: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 42 |     pub dispatcher: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `proc-macro-crate`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.proc-macro-crate]
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `proc-macro-crate`
[INFO] [stderr] warning: `serde-tc-macro` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: fields `encoder` and `dispatcher` are never read
[INFO] [stderr]   --> src/args.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct MacroArgs {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub encoder: bool,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 42 |     pub dispatcher: bool,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MacroArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-tc-macro` (lib) generated 1 warning
[INFO] [stderr] warning: `serde-tc-macro` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused dependency `proc-macro-crate`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.proc-macro-crate]
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `proc-macro-crate`
[INFO] [stderr] warning: `serde-tc-macro` (manifest) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/serde-tc-macro/2f890e7e06f3af10/out/serde_tc_macro-2f890e7e06f3af10)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests serde_tc_macro
[INFO] [stdout] test helper::recognize_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413", kill_on_drop: false }`
[INFO] [stdout] 58d606aee830388c363001d5cd804c1ce413462b396b9ff54858387d42b53413
