[INFO] fetching crate iroh-car 0.4.0...
[INFO] checking iroh-car-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate iroh-car 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate iroh-car 0.4.0 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] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate iroh-car 0.4.0
[INFO] finished tweaking crates.io crate iroh-car 0.4.0
[INFO] tweaked toml for crates.io crate iroh-car 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 134 packages
[INFO] [stderr]       Adding cid v0.10.1 (latest: v0.11.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding multihash v0.18.1 (latest: v0.19.1)
[INFO] [stderr]       Adding multihash-derive v0.8.1 (latest: v0.9.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding proc-macro-crate v1.1.3 (latest: v3.1.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding structmeta v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding structmeta-derive v0.2.0 (latest: v0.3.0)
[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 toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding unsigned-varint v0.7.2 (latest: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded core2 v0.4.0
[INFO] [stderr]   Downloaded multihash v0.18.1
[INFO] [stderr]   Downloaded multihash-derive v0.8.1
[INFO] [stderr]   Downloaded structmeta-derive v0.2.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded libipld-json v0.16.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.12
[INFO] [stderr]   Downloaded multibase v0.9.1
[INFO] [stderr]   Downloaded structmeta v0.2.0
[INFO] [stderr]   Downloaded libipld-cbor-derive v0.16.0
[INFO] [stderr]   Downloaded libipld-cbor v0.16.0
[INFO] [stderr]   Downloaded quick-protobuf v0.8.1
[INFO] [stderr]   Downloaded cid v0.10.1
[INFO] [stderr]   Downloaded libipld v0.16.0
[INFO] [stderr]   Downloaded blake2b_simd v1.0.2
[INFO] [stderr]   Downloaded libipld-macro v0.16.0
[INFO] [stderr]   Downloaded libipld-core v0.16.0
[INFO] [stderr]   Downloaded blake2s_simd v1.0.2
[INFO] [stderr]   Downloaded test-strategy v0.3.1
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.14
[INFO] [stderr]   Downloaded libipld-pb v0.16.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c657ef637d1927a2df456ef145a01dd4a7c294b80508856a480a623b54917f5f
[INFO] running `Command { std: "docker" "start" "-a" "c657ef637d1927a2df456ef145a01dd4a7c294b80508856a480a623b54917f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c657ef637d1927a2df456ef145a01dd4a7c294b80508856a480a623b54917f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c657ef637d1927a2df456ef145a01dd4a7c294b80508856a480a623b54917f5f", kill_on_drop: false }`
[INFO] [stdout] c657ef637d1927a2df456ef145a01dd4a7c294b80508856a480a623b54917f5f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a7dd8614dd5e60ec879724e95afef1103d6db801fd90ecfb56f13dd13841fd
[INFO] running `Command { std: "docker" "start" "-a" "68a7dd8614dd5e60ec879724e95afef1103d6db801fd90ecfb56f13dd13841fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking blake2s_simd v1.0.2
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling structmeta-derive v0.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling structmeta v0.2.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling test-strategy v0.3.1
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling libipld-cbor-derive v0.16.0
[INFO] [stderr]     Checking multihash v0.18.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking cid v0.10.1
[INFO] [stderr]     Checking libipld-core v0.16.0
[INFO] [stderr]     Checking libipld-macro v0.16.0
[INFO] [stderr]     Checking libipld-cbor v0.16.0
[INFO] [stderr]     Checking libipld-pb v0.16.0
[INFO] [stderr]     Checking libipld-json v0.16.0
[INFO] [stderr]     Checking libipld v0.16.0
[INFO] [stderr]     Checking iroh-car v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `DagCborCodec` is imported redundantly
[INFO] [stdout]   --> src/header.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use ipld::cbor::DagCborCodec;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     use super::*;
[INFO] [stdout]    |         -------- the item `DagCborCodec` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]   --> src/reader.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     use cid::Cid;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     use super::*;
[INFO] [stdout]    |         -------- the item `Cid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]   --> src/util.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |     use tokio::io::{AsyncWrite, AsyncWriteExt};
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 87 |
[INFO] [stdout] 88 |     use super::*;
[INFO] [stdout]    |         -------- the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWriteExt` is imported redundantly
[INFO] [stdout]   --> src/util.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 |     use tokio::io::{AsyncWrite, AsyncWriteExt};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 87 |
[INFO] [stdout] 88 |     use super::*;
[INFO] [stdout]    |         -------- the item `AsyncWriteExt` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.02s
[INFO] running `Command { std: "docker" "inspect" "68a7dd8614dd5e60ec879724e95afef1103d6db801fd90ecfb56f13dd13841fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a7dd8614dd5e60ec879724e95afef1103d6db801fd90ecfb56f13dd13841fd", kill_on_drop: false }`
[INFO] [stdout] 68a7dd8614dd5e60ec879724e95afef1103d6db801fd90ecfb56f13dd13841fd