[INFO] fetching crate py-ed25519-bindings 0.1.2...
[INFO] checking py-ed25519-bindings-0.1.2 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate py-ed25519-bindings 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate py-ed25519-bindings 0.1.2 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate py-ed25519-bindings 0.1.2
[INFO] finished tweaking crates.io crate py-ed25519-bindings 0.1.2
[INFO] tweaked toml for crates.io crate py-ed25519-bindings 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3cls v0.9.2
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.9.2
[INFO] [stderr]   Downloaded pyo3 v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 749d1d086c3cffdd2450e80ac5c6ead369afbb6570fe96dc9c92da820d40fadd
[INFO] running `Command { std: "docker" "start" "-a" "749d1d086c3cffdd2450e80ac5c6ead369afbb6570fe96dc9c92da820d40fadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "749d1d086c3cffdd2450e80ac5c6ead369afbb6570fe96dc9c92da820d40fadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749d1d086c3cffdd2450e80ac5c6ead369afbb6570fe96dc9c92da820d40fadd", kill_on_drop: false }`
[INFO] [stdout] 749d1d086c3cffdd2450e80ac5c6ead369afbb6570fe96dc9c92da820d40fadd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a38e4d319bb4f42489f6957b3f1c8bcadc7b64774bc4ffb531676a91a681cb
[INFO] running `Command { std: "docker" "start" "-a" "52a38e4d319bb4f42489f6957b3f1c8bcadc7b64774bc4ffb531676a91a681cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/lock_api-0.3.4/src/lib.rs:91:42
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "52a38e4d319bb4f42489f6957b3f1c8bcadc7b64774bc4ffb531676a91a681cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a38e4d319bb4f42489f6957b3f1c8bcadc7b64774bc4ffb531676a91a681cb", kill_on_drop: false }`
[INFO] [stdout] 52a38e4d319bb4f42489f6957b3f1c8bcadc7b64774bc4ffb531676a91a681cb
