[INFO] fetching crate t-rec 0.4.0...
[INFO] checking t-rec-0.4.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate t-rec 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate t-rec 0.4.0 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 t-rec 0.4.0
[INFO] finished tweaking crates.io crate t-rec 0.4.0
[INFO] tweaked toml for crates.io crate t-rec 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate t-rec 0.4.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded core-graphics v0.22.2
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded winapi-wsapoll v0.1.1
[INFO] [stderr]   Downloaded x11rb v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 19a41c51b303a12d283cb384b7e379a12fc07ae3a308caf613ab42abed8316dd
[INFO] running `Command { std: "docker" "start" "-a" "19a41c51b303a12d283cb384b7e379a12fc07ae3a308caf613ab42abed8316dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a41c51b303a12d283cb384b7e379a12fc07ae3a308caf613ab42abed8316dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a41c51b303a12d283cb384b7e379a12fc07ae3a308caf613ab42abed8316dd", kill_on_drop: false }`
[INFO] [stdout] 19a41c51b303a12d283cb384b7e379a12fc07ae3a308caf613ab42abed8316dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 14ca84454480aed8cb158839f9a4d4fffdf56f3a7844bbdecbc10e08f3d04508
[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" "14ca84454480aed8cb158839f9a4d4fffdf56f3a7844bbdecbc10e08f3d04508", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling t-rec v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[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 miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking x11rb v0.7.0
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.87s
[INFO] running `Command { std: "docker" "inspect" "14ca84454480aed8cb158839f9a4d4fffdf56f3a7844bbdecbc10e08f3d04508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ca84454480aed8cb158839f9a4d4fffdf56f3a7844bbdecbc10e08f3d04508", kill_on_drop: false }`
[INFO] [stdout] 14ca84454480aed8cb158839f9a4d4fffdf56f3a7844bbdecbc10e08f3d04508