[INFO] fetching crate idlset 0.2.0...
[INFO] checking idlset-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate idlset 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate idlset 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate idlset 0.2.0
[INFO] finished tweaking crates.io crate idlset 0.2.0
[INFO] tweaked toml for crates.io crate idlset 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2910931a9f222e1ac142b31d05186c0eb261e871ceabb782e890ac6bfc473d86
[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" "2910931a9f222e1ac142b31d05186c0eb261e871ceabb782e890ac6bfc473d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2910931a9f222e1ac142b31d05186c0eb261e871ceabb782e890ac6bfc473d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2910931a9f222e1ac142b31d05186c0eb261e871ceabb782e890ac6bfc473d86", kill_on_drop: false }`
[INFO] [stdout] 2910931a9f222e1ac142b31d05186c0eb261e871ceabb782e890ac6bfc473d86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 64bfda341f67fe0fbbfdb96f01dc1b8a5b37015d34527b55b0b49ef9bc5341c1
[INFO] running `Command { std: "docker" "start" "-a" "64bfda341f67fe0fbbfdb96f01dc1b8a5b37015d34527b55b0b49ef9bc5341c1", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking idlset v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::IDLSimple`
[INFO] [stdout]    --> benches/idl_simple.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |     use super::IDLSimple;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `idlset::AndNot`
[INFO] [stdout]    --> benches/idl_simple.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     use idlset::AndNot;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]    --> benches/idl_simple.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     use std::iter::FromIterator;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "64bfda341f67fe0fbbfdb96f01dc1b8a5b37015d34527b55b0b49ef9bc5341c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64bfda341f67fe0fbbfdb96f01dc1b8a5b37015d34527b55b0b49ef9bc5341c1", kill_on_drop: false }`
[INFO] [stdout] 64bfda341f67fe0fbbfdb96f01dc1b8a5b37015d34527b55b0b49ef9bc5341c1
