[INFO] fetching crate relative 0.2.2...
[INFO] testing relative-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate relative 0.2.2 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate relative 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--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]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded metatype v0.2.2
[INFO] [stderr]   Downloaded palaver v0.2.8
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded build_id v0.2.1
[INFO] [stderr]   Downloaded nix v0.15.0
[INFO] [stderr]   Downloaded nom v2.2.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a63c54b92942130652de3bbfeb25d1cd5ea7118d7f087b096ff62e7cb2a09e42
[INFO] running `Command { std: "docker" "start" "-a" "a63c54b92942130652de3bbfeb25d1cd5ea7118d7f087b096ff62e7cb2a09e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63c54b92942130652de3bbfeb25d1cd5ea7118d7f087b096ff62e7cb2a09e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63c54b92942130652de3bbfeb25d1cd5ea7118d7f087b096ff62e7cb2a09e42", kill_on_drop: false }`
[INFO] [stdout] a63c54b92942130652de3bbfeb25d1cd5ea7118d7f087b096ff62e7cb2a09e42
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d483dad2b91ae0eac22270845d6f86955462bc87c8ea399e17019b7180520034
[INFO] running `Command { std: "docker" "start" "-a" "d483dad2b91ae0eac22270845d6f86955462bc87c8ea399e17019b7180520034", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling relative v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling palaver v0.2.8
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "d483dad2b91ae0eac22270845d6f86955462bc87c8ea399e17019b7180520034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d483dad2b91ae0eac22270845d6f86955462bc87c8ea399e17019b7180520034", kill_on_drop: false }`
[INFO] [stdout] d483dad2b91ae0eac22270845d6f86955462bc87c8ea399e17019b7180520034
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4622b877c49c29aed1c67df211e97f9a762bd98f88063879e978767a094dfe82
[INFO] running `Command { std: "docker" "start" "-a" "4622b877c49c29aed1c67df211e97f9a762bd98f88063879e978767a094dfe82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling metatype v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/metatype-0.2.2/src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(arbitrary_self_types_pointers)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/metatype-0.2.2/src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![feature(ptr_metadata)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/metatype-0.2.2/src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metatype` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4622b877c49c29aed1c67df211e97f9a762bd98f88063879e978767a094dfe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4622b877c49c29aed1c67df211e97f9a762bd98f88063879e978767a094dfe82", kill_on_drop: false }`
[INFO] [stdout] 4622b877c49c29aed1c67df211e97f9a762bd98f88063879e978767a094dfe82