[INFO] fetching crate colerr 1.0.0...
[INFO] testing colerr-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate colerr 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate colerr 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate colerr 1.0.0
[INFO] finished tweaking crates.io crate colerr 1.0.0
[INFO] tweaked toml for crates.io crate colerr 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owning_ref v0.1.4
[INFO] [stderr]   Downloaded mioco v0.7.0
[INFO] [stderr]   Downloaded slab v0.2.0
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 293a8f260754329952ffb40726387a122cb6d41f21eae218dd7a8aee6e4c3787
[INFO] running `Command { std: "docker" "start" "-a" "293a8f260754329952ffb40726387a122cb6d41f21eae218dd7a8aee6e4c3787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293a8f260754329952ffb40726387a122cb6d41f21eae218dd7a8aee6e4c3787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293a8f260754329952ffb40726387a122cb6d41f21eae218dd7a8aee6e4c3787", kill_on_drop: false }`
[INFO] [stdout] 293a8f260754329952ffb40726387a122cb6d41f21eae218dd7a8aee6e4c3787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c0d2613088ef5960e5c4de9ace21516a4990631274a6035f804b1b0be015bf
[INFO] running `Command { std: "docker" "start" "-a" "f4c0d2613088ef5960e5c4de9ace21516a4990631274a6035f804b1b0be015bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling owning_ref v0.1.4
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling slab v0.2.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/owning_ref-0.1.4/src/lib.rs:445:13
[INFO] [stdout]     |
[INFO] [stdout] 445 | unsafe impl<'a, T: 'a> IntoErased for Box<T> {
[INFO] [stdout]     |             ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/owning_ref-0.1.4/src/lib.rs:449:13
[INFO] [stdout]     |
[INFO] [stdout] 449 | unsafe impl<'a, T: 'a> IntoErased for Rc<T> {
[INFO] [stdout]     |             ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/owning_ref-0.1.4/src/lib.rs:453:13
[INFO] [stdout]     |
[INFO] [stdout] 453 | unsafe impl<'a, T: 'a> IntoErased for Arc<T> {
[INFO] [stdout]     |             ^^ unconstrained lifetime parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0207`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `owning_ref` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f4c0d2613088ef5960e5c4de9ace21516a4990631274a6035f804b1b0be015bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c0d2613088ef5960e5c4de9ace21516a4990631274a6035f804b1b0be015bf", kill_on_drop: false }`
[INFO] [stdout] f4c0d2613088ef5960e5c4de9ace21516a4990631274a6035f804b1b0be015bf