[INFO] fetching crate oasis-std 0.4.1...
[INFO] documenting oasis-std-0.4.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate oasis-std 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate oasis-std 0.4.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oasis-std 0.4.1
[INFO] finished tweaking crates.io crate oasis-std 0.4.1
[INFO] tweaked toml for crates.io crate oasis-std 0.4.1 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" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oasis-borsh v0.2.12
[INFO] [stderr]   Downloaded blockchain-traits v0.4.1
[INFO] [stderr]   Downloaded oasis-test v0.4.1
[INFO] [stderr]   Downloaded oasis-macros v0.3.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]   Downloaded oasis-client v0.1.1
[INFO] [stderr]   Downloaded oasis-types v0.4.0
[INFO] [stderr]   Downloaded memchain v0.4.1
[INFO] [stderr]   Downloaded oasis-borsh-derive v0.2.10
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be84f3f7c6290edb1e1ad9cb6bd8d809653fead09af6537ec3ae0db81a978cb0
[INFO] running `Command { std: "docker" "start" "-a" "be84f3f7c6290edb1e1ad9cb6bd8d809653fead09af6537ec3ae0db81a978cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be84f3f7c6290edb1e1ad9cb6bd8d809653fead09af6537ec3ae0db81a978cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be84f3f7c6290edb1e1ad9cb6bd8d809653fead09af6537ec3ae0db81a978cb0", kill_on_drop: false }`
[INFO] [stdout] be84f3f7c6290edb1e1ad9cb6bd8d809653fead09af6537ec3ae0db81a978cb0
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f10c511b14f54f7efb6d656721f4b9cabddad66e6a992f755bd7f8257f66e57
[INFO] running `Command { std: "docker" "start" "-a" "7f10c511b14f54f7efb6d656721f4b9cabddad66e6a992f755bd7f8257f66e57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking oasis-borsh v0.2.12
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking oasis-types v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.11
[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-6f17d22bba15001f/oasis-types-0.4.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_exhaustive` has been stable since `1.40.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oasis-types` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7f10c511b14f54f7efb6d656721f4b9cabddad66e6a992f755bd7f8257f66e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f10c511b14f54f7efb6d656721f4b9cabddad66e6a992f755bd7f8257f66e57", kill_on_drop: false }`
[INFO] [stdout] 7f10c511b14f54f7efb6d656721f4b9cabddad66e6a992f755bd7f8257f66e57
