[INFO] fetching crate restricted-sparse-merkle-tree 0.4.0-rc2...
[INFO] building restricted-sparse-merkle-tree-0.4.0-rc2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate restricted-sparse-merkle-tree 0.4.0-rc2 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate restricted-sparse-merkle-tree 0.4.0-rc2
[INFO] finished tweaking crates.io crate restricted-sparse-merkle-tree 0.4.0-rc2
[INFO] tweaked toml for crates.io crate restricted-sparse-merkle-tree 0.4.0-rc2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate restricted-sparse-merkle-tree 0.4.0-rc2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages to latest compatible versions
[INFO] [stderr]       Adding blake2b-rs v0.1.5 (available: v0.2.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.3)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.7.0)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.8.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2b-rs v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0034a96c3c2bf30d52b77e6e90886e1314f33c9a291303f12e7b5f5e2749bf69
[INFO] running `Command { std: "docker" "start" "-a" "0034a96c3c2bf30d52b77e6e90886e1314f33c9a291303f12e7b5f5e2749bf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0034a96c3c2bf30d52b77e6e90886e1314f33c9a291303f12e7b5f5e2749bf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0034a96c3c2bf30d52b77e6e90886e1314f33c9a291303f12e7b5f5e2749bf69", kill_on_drop: false }`
[INFO] [stdout] 0034a96c3c2bf30d52b77e6e90886e1314f33c9a291303f12e7b5f5e2749bf69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21e2d9aacf8c69aef07a326ffa75002a2167590a7e80964d36a9173cdd82ed2
[INFO] running `Command { std: "docker" "start" "-a" "d21e2d9aacf8c69aef07a326ffa75002a2167590a7e80964d36a9173cdd82ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling restricted-sparse-merkle-tree v0.4.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "d21e2d9aacf8c69aef07a326ffa75002a2167590a7e80964d36a9173cdd82ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21e2d9aacf8c69aef07a326ffa75002a2167590a7e80964d36a9173cdd82ed2", kill_on_drop: false }`
[INFO] [stdout] d21e2d9aacf8c69aef07a326ffa75002a2167590a7e80964d36a9173cdd82ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d4e9cf4f624a36cbec554da24fbb41f1cfec5c7558fd083f55633801de8f8e
[INFO] running `Command { std: "docker" "start" "-a" "47d4e9cf4f624a36cbec554da24fbb41f1cfec5c7558fd083f55633801de8f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling restricted-sparse-merkle-tree v0.4.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "47d4e9cf4f624a36cbec554da24fbb41f1cfec5c7558fd083f55633801de8f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d4e9cf4f624a36cbec554da24fbb41f1cfec5c7558fd083f55633801de8f8e", kill_on_drop: false }`
[INFO] [stdout] 47d4e9cf4f624a36cbec554da24fbb41f1cfec5c7558fd083f55633801de8f8e