[INFO] fetching crate flowsamples 0.30.0...
[INFO] checking flowsamples-0.30.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate flowsamples 0.30.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flowsamples 0.30.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowsamples 0.30.0
[INFO] finished tweaking crates.io crate flowsamples 0.30.0
[INFO] tweaked toml for crates.io crate flowsamples 0.30.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate flowsamples 0.30.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae5376fe5ca5252bb416bf91c2016fc78ca01c6453e43e845cdc014c76ca3f55
[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" "ae5376fe5ca5252bb416bf91c2016fc78ca01c6453e43e845cdc014c76ca3f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae5376fe5ca5252bb416bf91c2016fc78ca01c6453e43e845cdc014c76ca3f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5376fe5ca5252bb416bf91c2016fc78ca01c6453e43e845cdc014c76ca3f55", kill_on_drop: false }`
[INFO] [stdout] ae5376fe5ca5252bb416bf91c2016fc78ca01c6453e43e845cdc014c76ca3f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 624a554a7e4a1df9759cd05ad0348b95ed48032e6d39cdf413e2a653eec6e923
[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" "624a554a7e4a1df9759cd05ad0348b95ed48032e6d39cdf413e2a653eec6e923", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling simpath v1.4.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling tinyvec v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.14
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling socket2 v0.3.16
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]    Compiling flow_impl_derive v0.21.0
[INFO] [stderr]     Checking flow_impl v0.21.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]     Checking provider v0.25.0
[INFO] [stderr]    Compiling flowrstructs v0.25.0
[INFO] [stderr]    Compiling flowc v0.25.0
[INFO] [stderr]    Compiling flowstdlib v0.25.0
[INFO] [stderr]    Compiling flowsamples v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking flowr v0.25.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `Command { std: "docker" "inspect" "624a554a7e4a1df9759cd05ad0348b95ed48032e6d39cdf413e2a653eec6e923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624a554a7e4a1df9759cd05ad0348b95ed48032e6d39cdf413e2a653eec6e923", kill_on_drop: false }`
[INFO] [stdout] 624a554a7e4a1df9759cd05ad0348b95ed48032e6d39cdf413e2a653eec6e923