[INFO] fetching crate stegano-core 0.3.2...
[INFO] checking stegano-core-0.3.2 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate stegano-core 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate stegano-core 0.3.2 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stegano-core 0.3.2
[INFO] finished tweaking crates.io crate stegano-core 0.3.2
[INFO] tweaked toml for crates.io crate stegano-core 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6e06130920cbf692e63d78abfb249f555af9b3c40e0b88b1a421ca8a396499b
[INFO] running `Command { std: "docker" "start" "-a" "c6e06130920cbf692e63d78abfb249f555af9b3c40e0b88b1a421ca8a396499b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6e06130920cbf692e63d78abfb249f555af9b3c40e0b88b1a421ca8a396499b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e06130920cbf692e63d78abfb249f555af9b3c40e0b88b1a421ca8a396499b", kill_on_drop: false }`
[INFO] [stdout] c6e06130920cbf692e63d78abfb249f555af9b3c40e0b88b1a421ca8a396499b
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 437df345df5c07a22fb8096b9ec43e457fd614b43aa8333f6575fa82a0780fd3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "437df345df5c07a22fb8096b9ec43e457fd614b43aa8333f6575fa82a0780fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking bitstream-io v0.8.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking generic-array v0.14.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking block-modes v0.5.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking bzip2 v0.4.1
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]     Checking image v0.23.7
[INFO] [stderr]     Checking stegano-core v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.01s
[INFO] running `Command { std: "docker" "inspect" "437df345df5c07a22fb8096b9ec43e457fd614b43aa8333f6575fa82a0780fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437df345df5c07a22fb8096b9ec43e457fd614b43aa8333f6575fa82a0780fd3", kill_on_drop: false }`
[INFO] [stdout] 437df345df5c07a22fb8096b9ec43e457fd614b43aa8333f6575fa82a0780fd3