[INFO] fetching crate surprise-me-derive 0.1.0...
[INFO] testing surprise-me-derive-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate surprise-me-derive 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate surprise-me-derive 0.1.0
[INFO] finished tweaking crates.io crate surprise-me-derive 0.1.0
[INFO] tweaked toml for crates.io crate surprise-me-derive 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate surprise-me-derive 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b7a9b0c820d3432e2ef6c6bb59b597d52dee92dd24225176f8234d8f333e4b4
[INFO] running `Command { std: "docker" "start" "-a" "5b7a9b0c820d3432e2ef6c6bb59b597d52dee92dd24225176f8234d8f333e4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7a9b0c820d3432e2ef6c6bb59b597d52dee92dd24225176f8234d8f333e4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7a9b0c820d3432e2ef6c6bb59b597d52dee92dd24225176f8234d8f333e4b4", kill_on_drop: false }`
[INFO] [stdout] 5b7a9b0c820d3432e2ef6c6bb59b597d52dee92dd24225176f8234d8f333e4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bccbc6ecb49d7a0961f245e3666af5be39373e8f77e614eb63b57bfd1d1165d1
[INFO] running `Command { std: "docker" "start" "-a" "bccbc6ecb49d7a0961f245e3666af5be39373e8f77e614eb63b57bfd1d1165d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling surprise-me-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[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 1.31s
[INFO] running `Command { std: "docker" "inspect" "bccbc6ecb49d7a0961f245e3666af5be39373e8f77e614eb63b57bfd1d1165d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bccbc6ecb49d7a0961f245e3666af5be39373e8f77e614eb63b57bfd1d1165d1", kill_on_drop: false }`
[INFO] [stdout] bccbc6ecb49d7a0961f245e3666af5be39373e8f77e614eb63b57bfd1d1165d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b86646f7ac0e8a95c5c9d8b7767994d44d9c62ed3059488a77a3a8f7193d1b1c
[INFO] running `Command { std: "docker" "start" "-a" "b86646f7ac0e8a95c5c9d8b7767994d44d9c62ed3059488a77a3a8f7193d1b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling surprise-me-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[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 0.93s
[INFO] running `Command { std: "docker" "inspect" "b86646f7ac0e8a95c5c9d8b7767994d44d9c62ed3059488a77a3a8f7193d1b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86646f7ac0e8a95c5c9d8b7767994d44d9c62ed3059488a77a3a8f7193d1b1c", kill_on_drop: false }`
[INFO] [stdout] b86646f7ac0e8a95c5c9d8b7767994d44d9c62ed3059488a77a3a8f7193d1b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf7379f712c8533e7cbe225d8b80dbd3624652d3e7153f3baaed63ab429f3f27
[INFO] running `Command { std: "docker" "start" "-a" "cf7379f712c8533e7cbe225d8b80dbd3624652d3e7153f3baaed63ab429f3f27", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Attributes` is never constructed
[INFO] [stderr]  --> src/attributes.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub(crate) struct Attributes {
[INFO] [stderr]   |                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `surprise-me-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `surprise-me-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/surprise_me_derive-e0bae061ab2b0b47)
[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 surprise_me_derive
[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" "cf7379f712c8533e7cbe225d8b80dbd3624652d3e7153f3baaed63ab429f3f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7379f712c8533e7cbe225d8b80dbd3624652d3e7153f3baaed63ab429f3f27", kill_on_drop: false }`
[INFO] [stdout] cf7379f712c8533e7cbe225d8b80dbd3624652d3e7153f3baaed63ab429f3f27