[INFO] fetching crate flowstdlib 0.32.1...
[INFO] checking flowstdlib-0.32.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate flowstdlib 0.32.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flowstdlib 0.32.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowstdlib 0.32.1
[INFO] finished tweaking crates.io crate flowstdlib 0.32.1
[INFO] tweaked toml for crates.io crate flowstdlib 0.32.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate flowstdlib 0.32.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded provider v0.25.0
[INFO] [stderr]   Downloaded flow_impl v0.21.0
[INFO] [stderr]   Downloaded flow_impl_derive v0.21.0
[INFO] [stderr]   Downloaded simpath v1.4.1
[INFO] [stderr]   Downloaded simplog v1.2.2
[INFO] [stderr]   Downloaded flowrstructs v0.25.0
[INFO] [stderr]   Downloaded flowc v0.32.0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] fca5fd1aca3df2d3fae4eb4abc820a4ec71ee423cd3b9202b416257a6d825082
[INFO] running `Command { std: "docker" "start" "-a" "fca5fd1aca3df2d3fae4eb4abc820a4ec71ee423cd3b9202b416257a6d825082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fca5fd1aca3df2d3fae4eb4abc820a4ec71ee423cd3b9202b416257a6d825082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca5fd1aca3df2d3fae4eb4abc820a4ec71ee423cd3b9202b416257a6d825082", kill_on_drop: false }`
[INFO] [stdout] fca5fd1aca3df2d3fae4eb4abc820a4ec71ee423cd3b9202b416257a6d825082
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4f6c4fe575b443ff76e7f6d4bd4c0162754250fc9c84ce4ae61aef82b573d59
[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" "c4f6c4fe575b443ff76e7f6d4bd4c0162754250fc9c84ce4ae61aef82b573d59", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling simpath v1.4.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling simplog v1.2.2
[INFO] [stderr]    Compiling socket2 v0.3.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]     Checking flow_impl v0.21.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]    Compiling flow_impl_derive v0.21.0
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking provider v0.25.0
[INFO] [stderr]     Checking flowrstructs v0.25.0
[INFO] [stderr]    Compiling flowc v0.32.0
[INFO] [stderr]    Compiling flowstdlib v0.32.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: Could not find `flowc` in $PATH or `target/`, so cannot build flowstdlib
[INFO] [stderr] warning: 'FLOW_LIB_PATH' is not set, so 'flowstdlib' will not be found by 'flowc' or 'flowr'. Set it to an appropriate value thus: export FLOW_LIB_PATH="/opt/rustwide"
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "c4f6c4fe575b443ff76e7f6d4bd4c0162754250fc9c84ce4ae61aef82b573d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f6c4fe575b443ff76e7f6d4bd4c0162754250fc9c84ce4ae61aef82b573d59", kill_on_drop: false }`
[INFO] [stdout] c4f6c4fe575b443ff76e7f6d4bd4c0162754250fc9c84ce4ae61aef82b573d59