[INFO] fetching crate derive-quickcheck-arbitrary 0.1.3...
[INFO] checking derive-quickcheck-arbitrary-0.1.3 against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] extracting crate derive-quickcheck-arbitrary 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate derive-quickcheck-arbitrary 0.1.3 on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate derive-quickcheck-arbitrary 0.1.3
[INFO] finished tweaking crates.io crate derive-quickcheck-arbitrary 0.1.3
[INFO] tweaked toml for crates.io crate derive-quickcheck-arbitrary 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding structmeta v0.2.0 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45b1fef825eeea32c6800c337c569d5950b9d18c61c17b48e611fcc71fde9c3c
[INFO] running `Command { std: "docker" "start" "-a" "45b1fef825eeea32c6800c337c569d5950b9d18c61c17b48e611fcc71fde9c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b1fef825eeea32c6800c337c569d5950b9d18c61c17b48e611fcc71fde9c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b1fef825eeea32c6800c337c569d5950b9d18c61c17b48e611fcc71fde9c3c", kill_on_drop: false }`
[INFO] [stdout] 45b1fef825eeea32c6800c337c569d5950b9d18c61c17b48e611fcc71fde9c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 507b817d691470cb56ad7eba811db759712c85c05ae2669b498acdac00ee4474
[INFO] running `Command { std: "docker" "start" "-a" "507b817d691470cb56ad7eba811db759712c85c05ae2669b498acdac00ee4474", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.96
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking termcolor v1.4.1
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[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking structmeta v0.2.0
[INFO] [stderr]     Checking derive-quickcheck-arbitrary v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking trybuild v1.0.101
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/simple.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Named(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shaver` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Named(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/simple.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Empty(#[arbitrary(gen(|_|String::new()))] String),
[INFO] [stdout]    |     ----- field in this variant               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shaver` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Empty(#[arbitrary(gen(|_|String::new()))] ()),
[INFO] [stdout]    |                                               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.98s
[INFO] running `Command { std: "docker" "inspect" "507b817d691470cb56ad7eba811db759712c85c05ae2669b498acdac00ee4474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507b817d691470cb56ad7eba811db759712c85c05ae2669b498acdac00ee4474", kill_on_drop: false }`
[INFO] [stdout] 507b817d691470cb56ad7eba811db759712c85c05ae2669b498acdac00ee4474