[INFO] fetching crate ebml-iterable-specification-derive 0.4.0...
[INFO] testing ebml-iterable-specification-derive-0.4.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate ebml-iterable-specification-derive 0.4.0 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ebml-iterable-specification-derive 0.4.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2fee8e3ecf975e5c92f2e9b2748c59ebb891c4f51aa0b8cf8312923f858372
[INFO] running `Command { std: "docker" "start" "-a" "fa2fee8e3ecf975e5c92f2e9b2748c59ebb891c4f51aa0b8cf8312923f858372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2fee8e3ecf975e5c92f2e9b2748c59ebb891c4f51aa0b8cf8312923f858372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2fee8e3ecf975e5c92f2e9b2748c59ebb891c4f51aa0b8cf8312923f858372", kill_on_drop: false }`
[INFO] [stdout] fa2fee8e3ecf975e5c92f2e9b2748c59ebb891c4f51aa0b8cf8312923f858372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed983e24bccc61980a6a678e91d2c41005c58356057d449d6cdaa1887bd869e3
[INFO] running `Command { std: "docker" "start" "-a" "ed983e24bccc61980a6a678e91d2c41005c58356057d449d6cdaa1887bd869e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling ebml-iterable-specification v0.4.0
[INFO] [stderr]    Compiling quote v1.0.41
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "ed983e24bccc61980a6a678e91d2c41005c58356057d449d6cdaa1887bd869e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed983e24bccc61980a6a678e91d2c41005c58356057d449d6cdaa1887bd869e3", kill_on_drop: false }`
[INFO] [stdout] ed983e24bccc61980a6a678e91d2c41005c58356057d449d6cdaa1887bd869e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9fb19ba366c6be42d5f65ab1ec0db735836a03edfdf3d0de9435b98fed7049b
[INFO] running `Command { std: "docker" "start" "-a" "e9fb19ba366c6be42d5f65ab1ec0db735836a03edfdf3d0de9435b98fed7049b", 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "e9fb19ba366c6be42d5f65ab1ec0db735836a03edfdf3d0de9435b98fed7049b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9fb19ba366c6be42d5f65ab1ec0db735836a03edfdf3d0de9435b98fed7049b", kill_on_drop: false }`
[INFO] [stdout] e9fb19ba366c6be42d5f65ab1ec0db735836a03edfdf3d0de9435b98fed7049b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4d49f27a1648d42cc064fe76382131186dd0b0f06afcbec834f8590e9c66c42
[INFO] running `Command { std: "docker" "start" "-a" "c4d49f27a1648d42cc064fe76382131186dd0b0f06afcbec834f8590e9c66c42", 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)]` 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ebml_iterable_specification_derive-fe1ea3b4085c0d3c)
[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 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4d49f27a1648d42cc064fe76382131186dd0b0f06afcbec834f8590e9c66c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d49f27a1648d42cc064fe76382131186dd0b0f06afcbec834f8590e9c66c42", kill_on_drop: false }`
[INFO] [stdout] c4d49f27a1648d42cc064fe76382131186dd0b0f06afcbec834f8590e9c66c42