[INFO] fetching crate jsonrpc-quic 0.0.9...
[INFO] checking jsonrpc-quic-0.0.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate jsonrpc-quic 0.0.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate jsonrpc-quic 0.0.9 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-quic 0.0.9
[INFO] finished tweaking crates.io crate jsonrpc-quic 0.0.9
[INFO] tweaked toml for crates.io crate jsonrpc-quic 0.0.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 135 packages
[INFO] [stderr]       Adding base64 v0.10.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.11.0 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding directories v2.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding err-derive v0.2.4 (latest: v0.3.1)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pem v0.6.1 (latest: v3.0.3)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding quinn v0.6.2 (latest: v0.10.2)
[INFO] [stderr]       Adding quinn-proto v0.6.1 (latest: v0.10.6)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rcgen v0.7.0 (latest: v0.13.0)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.17.0 (latest: v0.23.4)
[INFO] [stderr]       Adding sct v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding socket2 v0.3.19 (latest: v0.5.6)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki v0.21.4 (latest: v0.22.4)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding yasna v0.3.2 (latest: v0.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded rcgen v0.7.0
[INFO] [stderr]   Downloaded yasna v0.3.2
[INFO] [stderr]   Downloaded pem v0.6.1
[INFO] [stderr]   Downloaded quinn v0.6.2
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded quinn-proto v0.6.1
[INFO] [stderr]   Downloaded rustls v0.17.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e4c4ddd9f767f58d33792eb4d11613f721967547784114445b7b84cbd644932
[INFO] running `Command { std: "docker" "start" "-a" "1e4c4ddd9f767f58d33792eb4d11613f721967547784114445b7b84cbd644932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e4c4ddd9f767f58d33792eb4d11613f721967547784114445b7b84cbd644932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4c4ddd9f767f58d33792eb4d11613f721967547784114445b7b84cbd644932", kill_on_drop: false }`
[INFO] [stdout] 1e4c4ddd9f767f58d33792eb4d11613f721967547784114445b7b84cbd644932
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca69818b15e13edba3c5da8c9db432683e6718d15eb326df18463bd5d8ba4103
[INFO] running `Command { std: "docker" "start" "-a" "ca69818b15e13edba3c5da8c9db432683e6718d15eb326df18463bd5d8ba4103", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking pem v0.6.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rcgen v0.7.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking quinn-proto v0.6.1
[INFO] [stderr]     Checking quinn v0.6.2
[INFO] [stderr]     Checking jsonrpc-quic v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> jsonrpc.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> jsonrpc.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{self, Rng};
[INFO] [stdout]    |            ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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 4.02s
[INFO] running `Command { std: "docker" "inspect" "ca69818b15e13edba3c5da8c9db432683e6718d15eb326df18463bd5d8ba4103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca69818b15e13edba3c5da8c9db432683e6718d15eb326df18463bd5d8ba4103", kill_on_drop: false }`
[INFO] [stdout] ca69818b15e13edba3c5da8c9db432683e6718d15eb326df18463bd5d8ba4103