[INFO] fetching crate grad 0.1.0...
[INFO] checking grad-0.1.0 against master#49b6ac01d6f4c3da812039ae846407a20961aa4c for pr-154887
[INFO] extracting crate grad 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate grad 0.1.0
[INFO] finished tweaking crates.io crate grad 0.1.0
[INFO] tweaked toml for crates.io crate grad 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grad 0.1.0 on toolchain 49b6ac01d6f4c3da812039ae846407a20961aa4c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "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 241 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.11.1)
[INFO] [stderr]       Adding nom v4.2.3 (available: v8.0.0)
[INFO] [stderr]       Adding pretty_env_logger v0.2.5 (available: v0.5.0)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.47)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.52.1)
[INFO] [stderr]       Adding warp v0.1.23 (available: v0.4.2)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded urlencoding v1.3.3
[INFO] [stderr]   Downloaded warp v0.1.23
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b04574432923de35c2ad98302495c64792920c6038574e0e19911ebeeba8d9ce
[INFO] running `Command { std: "docker" "start" "-a" "b04574432923de35c2ad98302495c64792920c6038574e0e19911ebeeba8d9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b04574432923de35c2ad98302495c64792920c6038574e0e19911ebeeba8d9ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04574432923de35c2ad98302495c64792920c6038574e0e19911ebeeba8d9ce", kill_on_drop: false }`
[INFO] [stdout] b04574432923de35c2ad98302495c64792920c6038574e0e19911ebeeba8d9ce
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8712cb52f248f9976dd5886a55988fc0f07012cc9b037557a4377d9657fa62a5
[INFO] running `Command { std: "docker" "start" "-a" "8712cb52f248f9976dd5886a55988fc0f07012cc9b037557a4377d9657fa62a5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking warp v0.1.23
[INFO] [stderr]     Checking grad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `warp::index`: renamed to warp::path::end
[INFO] [stdout]   --> src/main.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let root = warp::index().map(|| {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `warp::index`: renamed to warp::path::end
[INFO] [stdout]   --> src/main.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let root = warp::index().map(|| {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:54:3
[INFO] [stdout]    |
[INFO] [stdout] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |   let _ = write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |       let _ = write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = write!(&mut s, ", {}={}", tag.key, tag.value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:54:3
[INFO] [stdout]    |
[INFO] [stdout] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |   let _ = write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |       let _ = write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = write!(&mut s, ", {}={}", tag.key, tag.value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.96s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.16.1, nom v4.2.3, warp v0.1.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "8712cb52f248f9976dd5886a55988fc0f07012cc9b037557a4377d9657fa62a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8712cb52f248f9976dd5886a55988fc0f07012cc9b037557a4377d9657fa62a5", kill_on_drop: false }`
[INFO] [stdout] 8712cb52f248f9976dd5886a55988fc0f07012cc9b037557a4377d9657fa62a5