[INFO] fetching crate ebml-iterable-specification-derive 0.4.0...
[INFO] testing ebml-iterable-specification-derive-0.4.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate ebml-iterable-specification-derive 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ebml-iterable-specification-derive 0.4.0
[INFO] finished tweaking crates.io crate ebml-iterable-specification-derive 0.4.0
[INFO] tweaked toml for crates.io crate ebml-iterable-specification-derive 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ebml-iterable-specification-derive 0.4.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ebml-iterable-specification v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccc68bba800e0357e9836190cd3e632f1b6e6db99759a8a009c9b992a9f7738d
[INFO] running `Command { std: "docker" "start" "-a" "ccc68bba800e0357e9836190cd3e632f1b6e6db99759a8a009c9b992a9f7738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccc68bba800e0357e9836190cd3e632f1b6e6db99759a8a009c9b992a9f7738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc68bba800e0357e9836190cd3e632f1b6e6db99759a8a009c9b992a9f7738d", kill_on_drop: false }`
[INFO] [stdout] ccc68bba800e0357e9836190cd3e632f1b6e6db99759a8a009c9b992a9f7738d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d58f366a8d9c89aa99b67da9592aba14e0209942d1c5b30cd978adc78faeb757
[INFO] running `Command { std: "docker" "start" "-a" "d58f366a8d9c89aa99b67da9592aba14e0209942d1c5b30cd978adc78faeb757", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling ebml-iterable-specification v0.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ebml-iterable-specification-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]   --> src/ast.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Attribute<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 26 |     pub original: &'a syn::Attribute,
[INFO] [stdout] 27 |     pub tokens: &'a TokenStream,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "d58f366a8d9c89aa99b67da9592aba14e0209942d1c5b30cd978adc78faeb757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58f366a8d9c89aa99b67da9592aba14e0209942d1c5b30cd978adc78faeb757", kill_on_drop: false }`
[INFO] [stdout] d58f366a8d9c89aa99b67da9592aba14e0209942d1c5b30cd978adc78faeb757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8925869589ecb5cf7a866935aaba1ccf343cf03c509264759f5d40070bc992e
[INFO] running `Command { std: "docker" "start" "-a" "a8925869589ecb5cf7a866935aaba1ccf343cf03c509264759f5d40070bc992e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ebml-iterable-specification-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]   --> src/ast.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Attribute<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 26 |     pub original: &'a syn::Attribute,
[INFO] [stdout] 27 |     pub tokens: &'a TokenStream,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]   --> src/ast.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Attribute<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 26 |     pub original: &'a syn::Attribute,
[INFO] [stdout] 27 |     pub tokens: &'a TokenStream,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a8925869589ecb5cf7a866935aaba1ccf343cf03c509264759f5d40070bc992e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8925869589ecb5cf7a866935aaba1ccf343cf03c509264759f5d40070bc992e", kill_on_drop: false }`
[INFO] [stdout] a8925869589ecb5cf7a866935aaba1ccf343cf03c509264759f5d40070bc992e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43ebdbe351f078a1b22a8ffb45267dc1302f5dc6c4982371766619f6ca762b5f
[INFO] running `Command { std: "docker" "start" "-a" "43ebdbe351f078a1b22a8ffb45267dc1302f5dc6c4982371766619f6ca762b5f", kill_on_drop: false }`
[INFO] [stderr] warning: field `tokens` is never read
[INFO] [stderr]   --> src/ast.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct Attribute<'a> {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 26 |     pub original: &'a syn::Attribute,
[INFO] [stderr] 27 |     pub tokens: &'a TokenStream,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ebml-iterable-specification-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `ebml-iterable-specification-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ebml_iterable_specification_derive-b156438aeaac09ac)
[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] [stderr]    Doc-tests ebml_iterable_specification_derive
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - easy_ebml (line 54) ... ok
[INFO] [stdout] test src/lib.rs - easy_ebml (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43ebdbe351f078a1b22a8ffb45267dc1302f5dc6c4982371766619f6ca762b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ebdbe351f078a1b22a8ffb45267dc1302f5dc6c4982371766619f6ca762b5f", kill_on_drop: false }`
[INFO] [stdout] 43ebdbe351f078a1b22a8ffb45267dc1302f5dc6c4982371766619f6ca762b5f