[INFO] crate stegano-core 0.3.1-beta.3 is already in cache
[INFO] checking stegano-core-0.3.1-beta.3 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate stegano-core 0.3.1-beta.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate stegano-core 0.3.1-beta.3 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ff35a6479d60f1ae2a289720c84687ea28df704befffe7756f9280e49e7eca20
[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" "ff35a6479d60f1ae2a289720c84687ea28df704befffe7756f9280e49e7eca20"`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking stegano-core v0.3.1-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.84s
[INFO] running `"docker" "inspect" "ff35a6479d60f1ae2a289720c84687ea28df704befffe7756f9280e49e7eca20"`
[INFO] running `"docker" "rm" "-f" "ff35a6479d60f1ae2a289720c84687ea28df704befffe7756f9280e49e7eca20"`
[INFO] [stdout] ff35a6479d60f1ae2a289720c84687ea28df704befffe7756f9280e49e7eca20