[INFO] fetching crate dasn1-core 0.1.1...
[INFO] checking dasn1-core-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate dasn1-core 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dasn1-core 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dasn1-core 0.1.1
[INFO] finished tweaking crates.io crate dasn1-core 0.1.1
[INFO] tweaked toml for crates.io crate dasn1-core 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54da059447fcd137258d9eb2466e2daff5d1f956f0eb0e4c52e2a4e957f11a6d
[INFO] running `"docker" "start" "-a" "54da059447fcd137258d9eb2466e2daff5d1f956f0eb0e4c52e2a4e957f11a6d"`
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]     Checking dasn1-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `SeqAccess`
[INFO] [stderr]  --> src/types/enumerated.rs:3:68
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Deserializer, Serialize, Serializer, de::{SeqAccess, Visitor}};
[INFO] [stderr]   |                                                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeqAccess`
[INFO] [stderr]  --> src/types/enumerated.rs:3:68
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Deserializer, Serialize, Serializer, de::{SeqAccess, Visitor}};
[INFO] [stderr]   |                                                                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `"docker" "inspect" "54da059447fcd137258d9eb2466e2daff5d1f956f0eb0e4c52e2a4e957f11a6d"`
[INFO] running `"docker" "rm" "-f" "54da059447fcd137258d9eb2466e2daff5d1f956f0eb0e4c52e2a4e957f11a6d"`
[INFO] [stdout] 54da059447fcd137258d9eb2466e2daff5d1f956f0eb0e4c52e2a4e957f11a6d