[INFO] fetching crate prom-remote-api 0.3.0...
[INFO] testing prom-remote-api-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate prom-remote-api 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prom-remote-api 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prom-remote-api 0.3.0
[INFO] tweaked toml for crates.io crate prom-remote-api 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prom-remote-api 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prom-remote-api 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b0d07042c56961402b1131ccb49fd27d08c760936957827ebbf57c14ed43dea
[INFO] running `Command { std: "docker" "start" "-a" "8b0d07042c56961402b1131ccb49fd27d08c760936957827ebbf57c14ed43dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0d07042c56961402b1131ccb49fd27d08c760936957827ebbf57c14ed43dea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0d07042c56961402b1131ccb49fd27d08c760936957827ebbf57c14ed43dea", kill_on_drop: false }`
[INFO] [stdout] 8b0d07042c56961402b1131ccb49fd27d08c760936957827ebbf57c14ed43dea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fa5349adf407e4578c90c078121a7e2f777916f5692a470bd80d52b2d71fffb
[INFO] running `Command { std: "docker" "start" "-a" "7fa5349adf407e4578c90c078121a7e2f777916f5692a470bd80d52b2d71fffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling regex v1.8.3
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling prom-remote-api v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `decode_snappy` is never used
[INFO] [stdout]  --> src/util.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn decode_snappy(raw: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_snappy` is never used
[INFO] [stdout]  --> src/util.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) fn encode_snappy(input: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.40s
[INFO] running `Command { std: "docker" "inspect" "7fa5349adf407e4578c90c078121a7e2f777916f5692a470bd80d52b2d71fffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa5349adf407e4578c90c078121a7e2f777916f5692a470bd80d52b2d71fffb", kill_on_drop: false }`
[INFO] [stdout] 7fa5349adf407e4578c90c078121a7e2f777916f5692a470bd80d52b2d71fffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d4d511f142471d4d9a71219ab4e89f71f1671b6c88281b2246fe73dc1d9391
[INFO] running `Command { std: "docker" "start" "-a" "37d4d511f142471d4d9a71219ab4e89f71f1671b6c88281b2246fe73dc1d9391", kill_on_drop: false }`
[INFO] [stdout] warning: function `decode_snappy` is never used
[INFO] [stdout]  --> src/util.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn decode_snappy(raw: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_snappy` is never used
[INFO] [stdout]  --> src/util.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) fn encode_snappy(input: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prom-remote-api v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `decode_snappy` is never used
[INFO] [stdout]  --> src/util.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) fn decode_snappy(raw: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_snappy` is never used
[INFO] [stdout]  --> src/util.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) fn encode_snappy(input: &[u8]) -> Result<Vec<u8>> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "37d4d511f142471d4d9a71219ab4e89f71f1671b6c88281b2246fe73dc1d9391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d4d511f142471d4d9a71219ab4e89f71f1671b6c88281b2246fe73dc1d9391", kill_on_drop: false }`
[INFO] [stdout] 37d4d511f142471d4d9a71219ab4e89f71f1671b6c88281b2246fe73dc1d9391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94de1c76535bd08e67ec568324ae38f339ede1d26264d4cfcb13b898591cc66c
[INFO] running `Command { std: "docker" "start" "-a" "94de1c76535bd08e67ec568324ae38f339ede1d26264d4cfcb13b898591cc66c", kill_on_drop: false }`
[INFO] [stderr] warning: function `decode_snappy` is never used
[INFO] [stderr]  --> src/util.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(crate) fn decode_snappy(raw: &[u8]) -> Result<Vec<u8>> {
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `encode_snappy` is never used
[INFO] [stderr]  --> src/util.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub(crate) fn encode_snappy(input: &[u8]) -> Result<Vec<u8>> {
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prom-remote-api` (lib) generated 2 warnings
[INFO] [stderr] warning: `prom-remote-api` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prom_remote_api-42b417e0c1ce2613)
[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 prom_remote_api
[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" "94de1c76535bd08e67ec568324ae38f339ede1d26264d4cfcb13b898591cc66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94de1c76535bd08e67ec568324ae38f339ede1d26264d4cfcb13b898591cc66c", kill_on_drop: false }`
[INFO] [stdout] 94de1c76535bd08e67ec568324ae38f339ede1d26264d4cfcb13b898591cc66c