[INFO] fetching crate steg 0.1.6...
[INFO] checking steg-0.1.6 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate steg 0.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate steg 0.1.6 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate steg 0.1.6
[INFO] finished tweaking crates.io crate steg 0.1.6
[INFO] tweaked toml for crates.io crate steg 0.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 2d4f46c1065cc19d0afca0791fdd3f9cd0258c87e3e12948fc7855959d87e755
[INFO] running `"docker" "start" "-a" "2d4f46c1065cc19d0afca0791fdd3f9cd0258c87e3e12948fc7855959d87e755"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking lsb_text_png_steganography v0.1.2
[INFO] [stderr]     Checking lsb_png_steganography v0.1.0
[INFO] [stderr]     Checking whitespace_text_steganography v0.2.1
[INFO] [stderr]     Checking steg v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `"docker" "inspect" "2d4f46c1065cc19d0afca0791fdd3f9cd0258c87e3e12948fc7855959d87e755"`
[INFO] running `"docker" "rm" "-f" "2d4f46c1065cc19d0afca0791fdd3f9cd0258c87e3e12948fc7855959d87e755"`
[INFO] [stdout] 2d4f46c1065cc19d0afca0791fdd3f9cd0258c87e3e12948fc7855959d87e755