[INFO] fetching crate splr 0.4.1...
[INFO] checking splr-0.4.1 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate splr 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate splr 0.4.1 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate splr 0.4.1
[INFO] finished tweaking crates.io crate splr 0.4.1
[INFO] tweaked toml for crates.io crate splr 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate splr 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9093c966f95cb7411e6d5aa5928bdb0bed89647faaf5db9f663c21355050bb18
[INFO] running `Command { std: "docker" "start" "-a" "9093c966f95cb7411e6d5aa5928bdb0bed89647faaf5db9f663c21355050bb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9093c966f95cb7411e6d5aa5928bdb0bed89647faaf5db9f663c21355050bb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9093c966f95cb7411e6d5aa5928bdb0bed89647faaf5db9f663c21355050bb18", kill_on_drop: false }`
[INFO] [stdout] 9093c966f95cb7411e6d5aa5928bdb0bed89647faaf5db9f663c21355050bb18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4dfd41cf9c32a53327aff8be8b7b21d1d7066e915a98e5ea208ebe5b6272afb6
[INFO] running `Command { std: "docker" "start" "-a" "4dfd41cf9c32a53327aff8be8b7b21d1d7066e915a98e5ea208ebe5b6272afb6", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking splr v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `splr::*`
[INFO] [stdout]  --> tests/isat2.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use splr::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::TryFrom`, `env::args`
[INFO] [stdout]  --> tests/isat2.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{convert::TryFrom, env::args};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "4dfd41cf9c32a53327aff8be8b7b21d1d7066e915a98e5ea208ebe5b6272afb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfd41cf9c32a53327aff8be8b7b21d1d7066e915a98e5ea208ebe5b6272afb6", kill_on_drop: false }`
[INFO] [stdout] 4dfd41cf9c32a53327aff8be8b7b21d1d7066e915a98e5ea208ebe5b6272afb6