[INFO] fetching crate oasis-game-contract 0.9.1...
[INFO] checking oasis-game-contract-0.9.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate oasis-game-contract 0.9.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate oasis-game-contract 0.9.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oasis-game-contract 0.9.1
[INFO] finished tweaking crates.io crate oasis-game-contract 0.9.1
[INFO] tweaked toml for crates.io crate oasis-game-contract 0.9.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding crunchy v0.1.6 (latest: v0.2.2)
[INFO] [stderr]       Adding owasm-abi v0.1.14 (latest: v0.3.0)
[INFO] [stderr]       Adding owasm-abi-derive v0.1.16 (latest: v0.4.0)
[INFO] [stderr]       Adding owasm-ethereum v0.7.2 (latest: v0.8.0)
[INFO] [stderr]       Adding owasm-std v0.13.0 (latest: v0.20.1)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.84)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.66)
[INFO] [stderr]       Adding tiny-keccak v1.5.0 (latest: v2.0.2)
[INFO] [stderr]       Adding uint v0.3.0 (latest: v0.9.5)
[INFO] [stderr]       Adding uint v0.4.1 (latest: v0.9.5)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded uint v0.4.1
[INFO] [stderr]   Downloaded oasis-game-core v0.9.0
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] [stderr]   Downloaded parity-hash v1.2.2
[INFO] [stderr]   Downloaded owasm-ethereum v0.7.2
[INFO] [stderr]   Downloaded uint v0.3.0
[INFO] [stderr]   Downloaded owasm-std v0.13.0
[INFO] [stderr]   Downloaded owasm-abi-derive v0.1.16
[INFO] [stderr]   Downloaded owasm-abi v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 822a2795a3c25613bdddd06b20b0e839fb66f97386ede92bffd4c4e209e463f1
[INFO] running `Command { std: "docker" "start" "-a" "822a2795a3c25613bdddd06b20b0e839fb66f97386ede92bffd4c4e209e463f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822a2795a3c25613bdddd06b20b0e839fb66f97386ede92bffd4c4e209e463f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822a2795a3c25613bdddd06b20b0e839fb66f97386ede92bffd4c4e209e463f1", kill_on_drop: false }`
[INFO] [stdout] 822a2795a3c25613bdddd06b20b0e839fb66f97386ede92bffd4c4e209e463f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45666a93d36de1ad9585d019eb41ff34d7ce43d0788b6d48380a21c8674379ec
[INFO] running `Command { std: "docker" "start" "-a" "45666a93d36de1ad9585d019eb41ff34d7ce43d0788b6d48380a21c8674379ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling uint v0.3.0
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]    Compiling parity-hash v1.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking owasm-std v0.13.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/owasm-std-0.13.0/src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(link_args)]
[INFO] [stdout]   |            ^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of using `-C link-arg=ARG` on command line, which is available from cargo build scripts with `cargo:rustc-link-arg` now
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `owasm-std` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "45666a93d36de1ad9585d019eb41ff34d7ce43d0788b6d48380a21c8674379ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45666a93d36de1ad9585d019eb41ff34d7ce43d0788b6d48380a21c8674379ec", kill_on_drop: false }`
[INFO] [stdout] 45666a93d36de1ad9585d019eb41ff34d7ce43d0788b6d48380a21c8674379ec