[INFO] fetching crate uvint 0.6.0...
[INFO] building uvint-0.6.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate uvint 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate uvint 0.6.0
[INFO] finished tweaking crates.io crate uvint 0.6.0
[INFO] tweaked toml for crates.io crate uvint 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uvint 0.6.0 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] crate crates.io crate uvint 0.6.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e1753fe13b613d28e694c7d6034fcbe9a1b722b2f5f22909ad5c6cb7edfe88e6
[INFO] running `Command { std: "docker" "start" "-a" "e1753fe13b613d28e694c7d6034fcbe9a1b722b2f5f22909ad5c6cb7edfe88e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1753fe13b613d28e694c7d6034fcbe9a1b722b2f5f22909ad5c6cb7edfe88e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1753fe13b613d28e694c7d6034fcbe9a1b722b2f5f22909ad5c6cb7edfe88e6", kill_on_drop: false }`
[INFO] [stdout] e1753fe13b613d28e694c7d6034fcbe9a1b722b2f5f22909ad5c6cb7edfe88e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c78e5301b66cbc47d395ca15c5da026d792abeb2d96fc1fd010fd41c674f4ab2
[INFO] running `Command { std: "docker" "start" "-a" "c78e5301b66cbc47d395ca15c5da026d792abeb2d96fc1fd010fd41c674f4ab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling uvint v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c78e5301b66cbc47d395ca15c5da026d792abeb2d96fc1fd010fd41c674f4ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78e5301b66cbc47d395ca15c5da026d792abeb2d96fc1fd010fd41c674f4ab2", kill_on_drop: false }`
[INFO] [stdout] c78e5301b66cbc47d395ca15c5da026d792abeb2d96fc1fd010fd41c674f4ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f1c73df8ae5a0867c6b2459acc3720c60ddd41d6a5d4506ecd8f96b087d27f2e
[INFO] running `Command { std: "docker" "start" "-a" "f1c73df8ae5a0867c6b2459acc3720c60ddd41d6a5d4506ecd8f96b087d27f2e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling uvint v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `RandomUvi` is never used
[INFO] [stdout]   --> tests/io.rs:85:6
[INFO] [stdout]    |
[INFO] [stdout] 85 | enum RandomUvi {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[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" "f1c73df8ae5a0867c6b2459acc3720c60ddd41d6a5d4506ecd8f96b087d27f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c73df8ae5a0867c6b2459acc3720c60ddd41d6a5d4506ecd8f96b087d27f2e", kill_on_drop: false }`
[INFO] [stdout] f1c73df8ae5a0867c6b2459acc3720c60ddd41d6a5d4506ecd8f96b087d27f2e