[INFO] crate stegano-core 0.3.1-beta.3 is already in cache
[INFO] checking stegano-core-0.3.1-beta.3 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate stegano-core 0.3.1-beta.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate stegano-core 0.3.1-beta.3 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] 39fb5cf437648422808a3a416dee666c268b52e6770b8e8681d0df4519ad1cf4
[INFO] running `"docker" "start" "-a" "39fb5cf437648422808a3a416dee666c268b52e6770b8e8681d0df4519ad1cf4"`
[INFO] [stderr]     Checking bitstream-io v0.8.4
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[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 40.77s
[INFO] running `"docker" "inspect" "39fb5cf437648422808a3a416dee666c268b52e6770b8e8681d0df4519ad1cf4"`
[INFO] running `"docker" "rm" "-f" "39fb5cf437648422808a3a416dee666c268b52e6770b8e8681d0df4519ad1cf4"`
[INFO] [stdout] 39fb5cf437648422808a3a416dee666c268b52e6770b8e8681d0df4519ad1cf4