[INFO] fetching crate librqbit 4.0.0-beta.2...
[INFO] checking librqbit-4.0.0-beta.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate librqbit 4.0.0-beta.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate librqbit 4.0.0-beta.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librqbit 4.0.0-beta.2
[INFO] finished tweaking crates.io crate librqbit 4.0.0-beta.2
[INFO] tweaked toml for crates.io crate librqbit 4.0.0-beta.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate librqbit 4.0.0-beta.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http v1.0.0
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded tower-http v0.5.0
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded hyper v1.0.1
[INFO] [stderr]   Downloaded h2 v0.4.0
[INFO] [stderr]   Downloaded axum-core v0.4.0
[INFO] [stderr]   Downloaded axum v0.7.1
[INFO] [stderr]   Downloaded librqbit-dht v4.0.0-beta.2
[INFO] [stderr]   Downloaded librqbit-bencode v2.2.1
[INFO] [stderr]   Downloaded librqbit-buffers v2.2.1
[INFO] [stderr]   Downloaded librqbit-clone-to-owned v2.2.1
[INFO] [stderr]   Downloaded librqbit-core v3.1.0
[INFO] [stderr]   Downloaded leaky-bucket v1.0.1
[INFO] [stderr]   Downloaded hyper-util v0.1.1
[INFO] [stderr]   Downloaded backoff v0.4.0
[INFO] [stderr]   Downloaded itertools v0.12.0
[INFO] [stderr]   Downloaded librqbit-sha1-wrapper v2.2.1
[INFO] [stderr]   Downloaded openssl v0.10.59
[INFO] [stderr]   Downloaded size_format v1.0.2
[INFO] [stderr]   Downloaded http-body-util v0.1.0
[INFO] [stderr]   Downloaded librqbit-peer-protocol v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7672da15a2461dcbb020207b38bf6e0abe11396fb4aace945390b3417587db2d
[INFO] running `Command { std: "docker" "start" "-a" "7672da15a2461dcbb020207b38bf6e0abe11396fb4aace945390b3417587db2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7672da15a2461dcbb020207b38bf6e0abe11396fb4aace945390b3417587db2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7672da15a2461dcbb020207b38bf6e0abe11396fb4aace945390b3417587db2d", kill_on_drop: false }`
[INFO] [stdout] 7672da15a2461dcbb020207b38bf6e0abe11396fb4aace945390b3417587db2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d05c794e3b20b4f226c076119eb93c78fdf900e85b5161d8813eddd222966ebd
[INFO] running `Command { std: "docker" "start" "-a" "d05c794e3b20b4f226c076119eb93c78fdf900e85b5161d8813eddd222966ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking librqbit-clone-to-owned v2.2.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling axum-core v0.4.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling axum v0.7.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking size_format v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking librqbit-sha1-wrapper v2.2.1
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking tower-http v0.5.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking leaky-bucket v1.0.1
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking librqbit-buffers v2.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking librqbit-bencode v2.2.1
[INFO] [stderr]     Checking librqbit-core v3.1.0
[INFO] [stderr]     Checking librqbit-peer-protocol v3.1.0
[INFO] [stderr]     Checking librqbit-dht v4.0.0-beta.2
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper v1.0.1
[INFO] [stderr]     Checking hyper-util v0.1.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking librqbit v4.0.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Id20` is imported redundantly
[INFO] [stdout]   --> src/dht_utils.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use dht::{DhtBuilder, Id20};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     use super::*;
[INFO] [stdout]    |         -------- the item `Id20` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_plaintext_error` is never used
[INFO] [stdout]    --> src/http_api_error.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub trait ApiErrorExt<T> {
[INFO] [stdout]     |           ----------- method in this trait
[INFO] [stdout] 136 |     fn with_error_status_code(self, s: StatusCode) -> Result<T, ApiError>;
[INFO] [stdout] 137 |     fn with_plaintext_error(self, value: bool) -> Result<T, ApiError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `with_plaintext_error` is never used
[INFO] [stdout]    --> src/http_api_error.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub trait ApiErrorExt<T> {
[INFO] [stdout]     |           ----------- method in this trait
[INFO] [stdout] 136 |     fn with_error_status_code(self, s: StatusCode) -> Result<T, ApiError>;
[INFO] [stdout] 137 |     fn with_plaintext_error(self, value: bool) -> Result<T, ApiError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.19s
[INFO] running `Command { std: "docker" "inspect" "d05c794e3b20b4f226c076119eb93c78fdf900e85b5161d8813eddd222966ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05c794e3b20b4f226c076119eb93c78fdf900e85b5161d8813eddd222966ebd", kill_on_drop: false }`
[INFO] [stdout] d05c794e3b20b4f226c076119eb93c78fdf900e85b5161d8813eddd222966ebd