[INFO] fetching crate stegano-core 0.3.1-beta.3...
[INFO] checking stegano-core-0.3.1-beta.3 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate stegano-core 0.3.1-beta.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate stegano-core 0.3.1-beta.3 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stegano-core 0.3.1-beta.3
[INFO] finished tweaking crates.io crate stegano-core 0.3.1-beta.3
[INFO] tweaked toml for crates.io crate stegano-core 0.3.1-beta.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 7449d8754d202c10c94dab7420829c003709a123835f226ed213b9c8b9f659b4
[INFO] running `"docker" "start" "-a" "7449d8754d202c10c94dab7420829c003709a123835f226ed213b9c8b9f659b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bitstream-io v0.8.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking stegano-core v0.3.1-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.86s
[INFO] running `"docker" "inspect" "7449d8754d202c10c94dab7420829c003709a123835f226ed213b9c8b9f659b4"`
[INFO] running `"docker" "rm" "-f" "7449d8754d202c10c94dab7420829c003709a123835f226ed213b9c8b9f659b4"`
[INFO] [stdout] 7449d8754d202c10c94dab7420829c003709a123835f226ed213b9c8b9f659b4