[INFO] fetching crate ec2_instance_metadata 0.1.2...
[INFO] checking ec2_instance_metadata-0.1.2 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate ec2_instance_metadata 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ec2_instance_metadata 0.1.2 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ec2_instance_metadata 0.1.2
[INFO] finished tweaking crates.io crate ec2_instance_metadata 0.1.2
[INFO] tweaked toml for crates.io crate ec2_instance_metadata 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ec2_instance_metadata 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b2a5b753f08495d3a80382878ad95dbb1207f7e4a41663c0d53c435458c41a1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b2a5b753f08495d3a80382878ad95dbb1207f7e4a41663c0d53c435458c41a1a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling standback v0.2.7
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking chunked_transfer v1.1.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.10
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking ureq v0.12.1
[INFO] [stderr]     Checking ec2_instance_metadata v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.14s
[INFO] running `"docker" "inspect" "b2a5b753f08495d3a80382878ad95dbb1207f7e4a41663c0d53c435458c41a1a"`
[INFO] running `"docker" "rm" "-f" "b2a5b753f08495d3a80382878ad95dbb1207f7e4a41663c0d53c435458c41a1a"`
[INFO] [stdout] b2a5b753f08495d3a80382878ad95dbb1207f7e4a41663c0d53c435458c41a1a