[INFO] fetching crate relative 0.2.2...
[INFO] checking relative-0.2.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate relative 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate relative 0.2.2 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 relative 0.2.2
[INFO] finished tweaking crates.io crate relative 0.2.2
[INFO] tweaked toml for crates.io crate relative 0.2.2 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages
[INFO] [stderr]       Adding as-slice v0.1.5 (latest: v0.2.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.13.3 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hash32 v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.5.6 (latest: v0.8.0)
[INFO] [stderr]       Adding nix v0.15.0 (latest: v0.28.0)
[INFO] [stderr]       Adding nom v2.2.1 (latest: v7.1.3)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[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 metatype v0.2.1
[INFO] [stderr]   Downloaded build_id v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5557f6b17bbbeb6063f97c9c00dab71949b7e83d70d79ae9f756134280387512
[INFO] running `Command { std: "docker" "start" "-a" "5557f6b17bbbeb6063f97c9c00dab71949b7e83d70d79ae9f756134280387512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5557f6b17bbbeb6063f97c9c00dab71949b7e83d70d79ae9f756134280387512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5557f6b17bbbeb6063f97c9c00dab71949b7e83d70d79ae9f756134280387512", kill_on_drop: false }`
[INFO] [stdout] 5557f6b17bbbeb6063f97c9c00dab71949b7e83d70d79ae9f756134280387512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e7dfb4f1f0e88c0a989b439f96b96c0c19faa2ddda5554630d6a76df17482e26
[INFO] running `Command { std: "docker" "start" "-a" "e7dfb4f1f0e88c0a989b439f96b96c0c19faa2ddda5554630d6a76df17482e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]    Compiling relative v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking metatype v0.2.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] warning: the item `bincode` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:247:6
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use bincode;
[INFO] [stdout]     |         ^^^^^^^ the item `bincode` 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 `metatype` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:248:6
[INFO] [stdout]     |
[INFO] [stdout] 248 |     use metatype;
[INFO] [stdout]     |         ^^^^^^^^ the item `metatype` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 250 |     use serde_json;
[INFO] [stdout]     |         ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e7dfb4f1f0e88c0a989b439f96b96c0c19faa2ddda5554630d6a76df17482e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dfb4f1f0e88c0a989b439f96b96c0c19faa2ddda5554630d6a76df17482e26", kill_on_drop: false }`
[INFO] [stdout] e7dfb4f1f0e88c0a989b439f96b96c0c19faa2ddda5554630d6a76df17482e26