[INFO] fetching crate opencontainers 0.0.0-alpha.2...
[INFO] testing opencontainers-0.0.0-alpha.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate opencontainers 0.0.0-alpha.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate opencontainers 0.0.0-alpha.2
[INFO] finished tweaking crates.io crate opencontainers 0.0.0-alpha.2
[INFO] tweaked toml for crates.io crate opencontainers 0.0.0-alpha.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate opencontainers 0.0.0-alpha.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 238 packages to highest compatible versions
[INFO] [stderr]       Adding hyperx v0.13.2 (available: v1.4.0)
[INFO] [stderr]       Adding pretty_env_logger v0.3.1 (available: v0.5.0)
[INFO] [stderr]       Adding psm v0.1.24 (available: v0.1.32)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.13.5)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] [stderr]       Adding www-authenticate v0.3.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded www-authenticate v0.3.0
[INFO] [stderr]   Downloaded ttl_cache v0.5.1
[INFO] [stderr]   Downloaded hyperx v0.13.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2
[INFO] running `Command { std: "docker" "start" "e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.25
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling zerofrom v0.1.8
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling yoke v0.8.3
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling unicase v2.10.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling zerovec v0.11.8
[INFO] [stderr]    Compiling zerotrie v0.2.5
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tinystr v0.8.4
[INFO] [stderr]    Compiling potential_utf v0.1.6
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling icu_collections v2.3.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling icu_locale_core v2.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling pest v2.9.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling openssl v0.10.81
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling icu_provider v2.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling icu_properties v2.3.0
[INFO] [stderr]    Compiling icu_normalizer v2.3.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_meta v2.9.4
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling hyperx v0.13.2
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling pest_generator v2.9.4
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling ttl_cache v0.5.1
[INFO] [stderr]    Compiling www-authenticate v0.3.0
[INFO] [stderr]    Compiling pest_derive v2.9.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling publicsuffix v1.5.6
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling opencontainers v0.0.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[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 `opencontainers` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2", kill_on_drop: false }`
[INFO] [stdout] e55f2c10c08d398ebcc60c95eb552849f621dbcd0be1c81ad4af18d15e3f9da2
