[INFO] fetching crate proof 0.0.0...
[INFO] checking proof-0.0.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate proof 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate proof 0.0.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proof 0.0.0
[INFO] finished tweaking crates.io crate proof 0.0.0
[INFO] tweaked toml for crates.io crate proof 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 033e035e56032f8a96e6e441e2182ec85e2e7ba0afe98077fe71d4b26a969351
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "033e035e56032f8a96e6e441e2182ec85e2e7ba0afe98077fe71d4b26a969351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "033e035e56032f8a96e6e441e2182ec85e2e7ba0afe98077fe71d4b26a969351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033e035e56032f8a96e6e441e2182ec85e2e7ba0afe98077fe71d4b26a969351", kill_on_drop: false }`
[INFO] [stdout] 033e035e56032f8a96e6e441e2182ec85e2e7ba0afe98077fe71d4b26a969351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446942d1c4e8e8e584c9c5fbbf4ceda6f1f1a7ce95a445b80dc5d0eec063def3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "446942d1c4e8e8e584c9c5fbbf4ceda6f1f1a7ce95a445b80dc5d0eec063def3", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking parity-codec v3.5.4
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking primitive-types v0.3.0
[INFO] [stderr]     Checking ethereum-types v0.5.2
[INFO] [stderr]     Checking ethereum-types v0.6.0
[INFO] [stderr]     Checking eth2_ssz v0.1.2
[INFO] [stderr]    Compiling eth2_ssz_derive v0.1.0
[INFO] [stderr]     Checking proof v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.71s
[INFO] running `Command { std: "docker" "inspect" "446942d1c4e8e8e584c9c5fbbf4ceda6f1f1a7ce95a445b80dc5d0eec063def3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446942d1c4e8e8e584c9c5fbbf4ceda6f1f1a7ce95a445b80dc5d0eec063def3", kill_on_drop: false }`
[INFO] [stdout] 446942d1c4e8e8e584c9c5fbbf4ceda6f1f1a7ce95a445b80dc5d0eec063def3