[INFO] fetching crate alkahest-proc 0.3.0...
[INFO] checking alkahest-proc-0.3.0 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate alkahest-proc 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate alkahest-proc 0.3.0 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alkahest-proc 0.3.0
[INFO] finished tweaking crates.io crate alkahest-proc 0.3.0
[INFO] tweaked toml for crates.io crate alkahest-proc 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a2c4fc67775173f2824625de18ebbbd9a1e9c45713a21f564410830a4303bbf
[INFO] running `Command { std: "docker" "start" "-a" "1a2c4fc67775173f2824625de18ebbbd9a1e9c45713a21f564410830a4303bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2c4fc67775173f2824625de18ebbbd9a1e9c45713a21f564410830a4303bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2c4fc67775173f2824625de18ebbbd9a1e9c45713a21f564410830a4303bbf", kill_on_drop: false }`
[INFO] [stdout] 1a2c4fc67775173f2824625de18ebbbd9a1e9c45713a21f564410830a4303bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ae27973d2f1a5b06e9b987941541dfadfd3458eb023fd8ee912f0fb4f9decb9
[INFO] running `Command { std: "docker" "start" "-a" "2ae27973d2f1a5b06e9b987941541dfadfd3458eb023fd8ee912f0fb4f9decb9", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking proc-macro2 v1.0.89
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.85
[INFO] [stderr]     Checking proc-easy v0.3.0
[INFO] [stderr]     Checking alkahest-proc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Formula(Formula),
[INFO] [stdout]    |         ------- ^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 41 |         Formula(()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Serialize(Serialize, proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |         --------- ^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 42 |         Serialize((), proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SerializeRef(SerializeRef, proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |         ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 43 |         SerializeRef((), proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Deserialize(Deserialize, proc_easy::EasyMaybe<DeserializeParams>),
[INFO] [stdout]    |         ----------- ^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 44 |         Deserialize((), proc_easy::EasyMaybe<DeserializeParams>),
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Formula(Formula),
[INFO] [stdout]    |         ------- ^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 41 |         Formula(()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Serialize(Serialize, proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |         --------- ^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 42 |         Serialize((), proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SerializeRef(SerializeRef, proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |         ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 43 |         SerializeRef((), proc_easy::EasyMaybe<SerializeParams>),
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/attrs.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Deserialize(Deserialize, proc_easy::EasyMaybe<DeserializeParams>),
[INFO] [stdout]    |         ----------- ^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 44 |         Deserialize((), proc_easy::EasyMaybe<DeserializeParams>),
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "2ae27973d2f1a5b06e9b987941541dfadfd3458eb023fd8ee912f0fb4f9decb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae27973d2f1a5b06e9b987941541dfadfd3458eb023fd8ee912f0fb4f9decb9", kill_on_drop: false }`
[INFO] [stdout] 2ae27973d2f1a5b06e9b987941541dfadfd3458eb023fd8ee912f0fb4f9decb9
