[INFO] fetching crate prometheus-client-derive-encode 0.4.2...
[INFO] checking prometheus-client-derive-encode-0.4.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate prometheus-client-derive-encode 0.4.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate prometheus-client-derive-encode 0.4.2
[INFO] finished tweaking crates.io crate prometheus-client-derive-encode 0.4.2
[INFO] tweaked toml for crates.io crate prometheus-client-derive-encode 0.4.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-client-derive-encode 0.4.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11279ea24040bc0ec6a2992fd4b8012f62f07cddbcd7aeb9c919efa72f7e2df9
[INFO] running `Command { std: "docker" "start" "-a" "11279ea24040bc0ec6a2992fd4b8012f62f07cddbcd7aeb9c919efa72f7e2df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11279ea24040bc0ec6a2992fd4b8012f62f07cddbcd7aeb9c919efa72f7e2df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11279ea24040bc0ec6a2992fd4b8012f62f07cddbcd7aeb9c919efa72f7e2df9", kill_on_drop: false }`
[INFO] [stdout] 11279ea24040bc0ec6a2992fd4b8012f62f07cddbcd7aeb9c919efa72f7e2df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 483b556e023cd94d7b5087837e416dfe258c26bf01466e4a2734e458c0832ce2
[INFO] running `Command { std: "docker" "start" "-a" "483b556e023cd94d7b5087837e416dfe258c26bf01466e4a2734e458c0832ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]     Checking prometheus-client-derive-encode v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use prometheus_client::encoding::text::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use prometheus_client::encoding::{EncodeLabelSet, EncodeLabelValue};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use prometheus_client::metrics::counter::Counter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prometheus_client::metrics::family::Family;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]  --> tests/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prometheus_client::registry::Registry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use prometheus_client::encoding::protobuf::encode;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use prometheus_client::encoding::protobuf::openmetrics_data_model;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use prometheus_client::metrics::counter::Counter;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use prometheus_client::metrics::family::Family;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]   --> tests/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use prometheus_client::registry::Registry;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `prometheus_client`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `prometheus_client`, use `cargo add prometheus_client` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `prometheus` in this scope
[INFO] [stdout]    --> tests/lib.rs:150:11
[INFO] [stdout]     |
[INFO] [stdout] 150 |         #[prometheus(flatten)]
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prometheus-client-derive-encode` (test "lib") due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "483b556e023cd94d7b5087837e416dfe258c26bf01466e4a2734e458c0832ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483b556e023cd94d7b5087837e416dfe258c26bf01466e4a2734e458c0832ce2", kill_on_drop: false }`
[INFO] [stdout] 483b556e023cd94d7b5087837e416dfe258c26bf01466e4a2734e458c0832ce2