[INFO] fetching crate witchcraft-metrics 1.0.1...
[INFO] checking witchcraft-metrics-1.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate witchcraft-metrics 1.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate witchcraft-metrics 1.0.1
[INFO] finished tweaking crates.io crate witchcraft-metrics 1.0.1
[INFO] tweaked toml for crates.io crate witchcraft-metrics 1.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate witchcraft-metrics 1.0.1 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 42 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]  Downloading crates ...
[INFO] [stderr]   Downloaded exponential-decay-histogram v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 76b415f1de00d16bdd177ffaf411dd09ed25a8cd42026197539469ead7b25e2d
[INFO] running `Command { std: "docker" "start" "-a" "76b415f1de00d16bdd177ffaf411dd09ed25a8cd42026197539469ead7b25e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b415f1de00d16bdd177ffaf411dd09ed25a8cd42026197539469ead7b25e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b415f1de00d16bdd177ffaf411dd09ed25a8cd42026197539469ead7b25e2d", kill_on_drop: false }`
[INFO] [stdout] 76b415f1de00d16bdd177ffaf411dd09ed25a8cd42026197539469ead7b25e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d31b87afa6c66f87a7badcf14a6e63935d38a20e72f268fa0611578bb131e3d4
[INFO] running `Command { std: "docker" "start" "-a" "d31b87afa6c66f87a7badcf14a6e63935d38a20e72f268fa0611578bb131e3d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking exponential-decay-histogram v0.1.13
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking witchcraft-metrics v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/clock.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub mod test {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/clock.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub struct TestClock {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/clock.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn new() -> TestClock {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/clock.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         pub fn advance(&self, dur: Duration) {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "d31b87afa6c66f87a7badcf14a6e63935d38a20e72f268fa0611578bb131e3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31b87afa6c66f87a7badcf14a6e63935d38a20e72f268fa0611578bb131e3d4", kill_on_drop: false }`
[INFO] [stdout] d31b87afa6c66f87a7badcf14a6e63935d38a20e72f268fa0611578bb131e3d4