[INFO] fetching crate stegano-core 0.3.1...
[INFO] checking stegano-core-0.3.1 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate stegano-core 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stegano-core 0.3.1 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stegano-core 0.3.1
[INFO] finished tweaking crates.io crate stegano-core 0.3.1
[INFO] tweaked toml for crates.io crate stegano-core 0.3.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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-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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c591a027233d9abadbdd3f95e041ef26df662f4729c1113925ffcd9cde6f6520
[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" "c591a027233d9abadbdd3f95e041ef26df662f4729c1113925ffcd9cde6f6520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c591a027233d9abadbdd3f95e041ef26df662f4729c1113925ffcd9cde6f6520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c591a027233d9abadbdd3f95e041ef26df662f4729c1113925ffcd9cde6f6520", kill_on_drop: false }`
[INFO] [stdout] c591a027233d9abadbdd3f95e041ef26df662f4729c1113925ffcd9cde6f6520
[INFO] running `Command { std: "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c5afeaa0003b093fbe7b7ebf3c73778298383dcaf251f6b961c58c8aa43d1ca
[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" "8c5afeaa0003b093fbe7b7ebf3c73778298383dcaf251f6b961c58c8aa43d1ca", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking bitstream-io v0.8.5
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cool_asserts v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking tempdir v0.3.7
[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]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking stegano-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "8c5afeaa0003b093fbe7b7ebf3c73778298383dcaf251f6b961c58c8aa43d1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5afeaa0003b093fbe7b7ebf3c73778298383dcaf251f6b961c58c8aa43d1ca", kill_on_drop: false }`
[INFO] [stdout] 8c5afeaa0003b093fbe7b7ebf3c73778298383dcaf251f6b961c58c8aa43d1ca