[INFO] fetching crate odra-wasm-client-builder 2.6.0...
[INFO] checking odra-wasm-client-builder-2.6.0 against 1.95.0 for pr-155915
[INFO] extracting crate odra-wasm-client-builder 2.6.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate odra-wasm-client-builder 2.6.0
[INFO] finished tweaking crates.io crate odra-wasm-client-builder 2.6.0
[INFO] tweaked toml for crates.io crate odra-wasm-client-builder 2.6.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate odra-wasm-client-builder 2.6.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate odra-wasm-client-builder 2.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded casper-contract-schema v0.6.0
[INFO] [stderr]   Downloaded casper-event-standard v0.7.0
[INFO] [stderr]   Downloaded serde-map-to-array v1.1.1
[INFO] [stderr]   Downloaded odra-schema v2.6.0
[INFO] [stderr]   Downloaded casper-contract v5.1.1
[INFO] [stderr]   Downloaded odra-core v2.6.0
[INFO] [stderr]   Downloaded casper-event-standard-macro v0.7.0
[INFO] [stderr]   Downloaded schemars_derive v0.9.0
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded casper-types v6.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf5da9bc7b05946e4b44844cc896c9042405b12a051832c1497db905d22d675
[INFO] running `Command { std: "docker" "start" "-a" "ccf5da9bc7b05946e4b44844cc896c9042405b12a051832c1497db905d22d675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf5da9bc7b05946e4b44844cc896c9042405b12a051832c1497db905d22d675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf5da9bc7b05946e4b44844cc896c9042405b12a051832c1497db905d22d675", kill_on_drop: false }`
[INFO] [stdout] ccf5da9bc7b05946e4b44844cc896c9042405b12a051832c1497db905d22d675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea00968f004ab8d6cd7fee98333339fadd8dfc16a47b28a35a457e2d2e1bb11
[INFO] running `Command { std: "docker" "start" "-a" "fea00968f004ab8d6cd7fee98333339fadd8dfc16a47b28a35a457e2d2e1bb11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling odra-schema v2.6.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking unicode-segmentation v1.13.2
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking syn v2.0.117
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]    Compiling casper-event-standard-macro v0.7.0
[INFO] [stderr]     Checking k256 v0.13.4
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling schemars_derive v0.9.0
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking ed25519-dalek v2.2.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking serde-map-to-array v1.1.1
[INFO] [stderr]     Checking schemars v0.9.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking casper-types v6.1.0
[INFO] [stderr]     Checking casper-event-standard v0.7.0
[INFO] [stderr]     Checking casper-contract-schema v0.6.0
[INFO] [stderr]     Checking odra-core v2.6.0
[INFO] [stderr]     Checking odra-wasm-client-builder v2.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[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 `odra-wasm-client-builder` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `odra-wasm-client-builder` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fea00968f004ab8d6cd7fee98333339fadd8dfc16a47b28a35a457e2d2e1bb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea00968f004ab8d6cd7fee98333339fadd8dfc16a47b28a35a457e2d2e1bb11", kill_on_drop: false }`
[INFO] [stdout] fea00968f004ab8d6cd7fee98333339fadd8dfc16a47b28a35a457e2d2e1bb11
