[INFO] cloning repository https://github.com/marcohoovy/ferrum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcohoovy/ferrum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcohoovy%2Fferrum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcohoovy%2Fferrum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 678c1021a26d002b018aa78e21b301a9b07f5ee2
[INFO] checking marcohoovy/ferrum against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcohoovy%2Fferrum" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marcohoovy/ferrum
[INFO] finished tweaking git repo https://github.com/marcohoovy/ferrum
[INFO] tweaked toml for git repo https://github.com/marcohoovy/ferrum written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marcohoovy/ferrum on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marcohoovy/ferrum 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generator v0.8.4
[INFO] [stderr]   Downloaded forwarded-header-value v0.1.1
[INFO] [stderr]   Downloaded tagptr v0.2.0
[INFO] [stderr]   Downloaded nonempty v0.7.0
[INFO] [stderr]   Downloaded axum-client-ip v1.0.0
[INFO] [stderr]   Downloaded axum-extra v0.10.1
[INFO] [stderr]   Downloaded loom v0.7.2
[INFO] [stderr]   Downloaded cc v1.2.19
[INFO] [stderr]   Downloaded moka v0.12.10
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d6ec964329a1d27b15da8bcc589f55c09225069db0c653bb7f722a36daedc0
[INFO] running `Command { std: "docker" "start" "-a" "a7d6ec964329a1d27b15da8bcc589f55c09225069db0c653bb7f722a36daedc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d6ec964329a1d27b15da8bcc589f55c09225069db0c653bb7f722a36daedc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d6ec964329a1d27b15da8bcc589f55c09225069db0c653bb7f722a36daedc0", kill_on_drop: false }`
[INFO] [stdout] a7d6ec964329a1d27b15da8bcc589f55c09225069db0c653bb7f722a36daedc0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99be90996f8760170cf51707c5e91d1d18781abe1d4d57df7d65d6d164418fcf
[INFO] running `Command { std: "docker" "start" "-a" "99be90996f8760170cf51707c5e91d1d18781abe1d4d57df7d65d6d164418fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]     Checking matchit v0.8.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling moka v0.12.10
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]     Checking nonempty v0.7.0
[INFO] [stderr]     Checking winnow v0.7.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking uuid v1.16.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking forwarded-header-value v0.1.1
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking h2 v0.4.9
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking hyper-util v0.1.11
[INFO] [stderr]     Checking axum v0.8.3
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.15
[INFO] [stderr]     Checking axum-client-ip v1.0.0
[INFO] [stderr]     Checking axum-extra v0.10.1
[INFO] [stderr]     Checking ferrum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HeaderValue`
[INFO] [stdout]  --> src/main.rs:2:89
[INFO] [stdout]   |
[INFO] [stdout] 2 |     body::Bytes, extract::{Extension, Request}, handler::HandlerWithoutStateExt, http::{HeaderValue, StatusCode}, response::{Html, IntoRe...
[INFO] [stdout]   |                                                                                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bot.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque}, sync::Arc, time::{Duration, Instant}};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::digest::consts::U325`
[INFO] [stdout]  --> src/bot.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sha2::digest::consts::U325;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/bot.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HeaderValue`
[INFO] [stdout]  --> src/main.rs:2:89
[INFO] [stdout]   |
[INFO] [stdout] 2 |     body::Bytes, extract::{Extension, Request}, handler::HandlerWithoutStateExt, http::{HeaderValue, StatusCode}, response::{Html, IntoRe...
[INFO] [stdout]   |                                                                                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bot.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque}, sync::Arc, time::{Duration, Instant}};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sha2::digest::consts::U325`
[INFO] [stdout]  --> src/bot.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sha2::digest::consts::U325;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> src/bot.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     mut req: Request
[INFO] [stdout]    |     ----^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     mut req: Request
[INFO] [stdout]    |     ----^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handler::HandlerWithoutStateExt`
[INFO] [stdout]  --> src/main.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 |     body::Bytes, extract::{Extension, Request}, handler::HandlerWithoutStateExt, http::{HeaderValue, StatusCode}, response::{Html, IntoRe...
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `handler::HandlerWithoutStateExt`
[INFO] [stdout]  --> src/main.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 |     body::Bytes, extract::{Extension, Request}, handler::HandlerWithoutStateExt, http::{HeaderValue, StatusCode}, response::{Html, IntoRe...
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     mut req: Request
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sol` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let (difficulty, len, sol);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_sol` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sol` is never read
[INFO] [stdout]   --> src/main.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (difficulty, len, sol) = (config.default_difficulty, config.challenge_length as u8, config.solutions_required);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sol` is never read
[INFO] [stdout]   --> src/main.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 |         (difficulty, len, sol) = bot::scale_challenge_params(&mut lock, &config);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     mut req: Request
[INFO] [stdout]    |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sol` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let (difficulty, len, sol);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_sol` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sol` is never read
[INFO] [stdout]   --> src/main.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (difficulty, len, sol) = (config.default_difficulty, config.challenge_length as u8, config.solutions_required);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sol` is never read
[INFO] [stdout]   --> src/main.rs:96:27
[INFO] [stdout]    |
[INFO] [stdout] 96 |         (difficulty, len, sol) = bot::scale_challenge_params(&mut lock, &config);
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.88s
[INFO] running `Command { std: "docker" "inspect" "99be90996f8760170cf51707c5e91d1d18781abe1d4d57df7d65d6d164418fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99be90996f8760170cf51707c5e91d1d18781abe1d4d57df7d65d6d164418fcf", kill_on_drop: false }`
[INFO] [stdout] 99be90996f8760170cf51707c5e91d1d18781abe1d4d57df7d65d6d164418fcf
