[INFO] fetching crate waterfall 0.7.1...
[INFO] checking waterfall-0.7.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate waterfall 0.7.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate waterfall 0.7.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waterfall 0.7.1
[INFO] finished tweaking crates.io crate waterfall 0.7.1
[INFO] tweaked toml for crates.io crate waterfall 0.7.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.7.0
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded histogram v0.6.9
[INFO] [stderr]   Downloaded hsl v0.1.1
[INFO] [stderr]   Downloaded rusttype v0.1.2
[INFO] [stderr]   Downloaded stb_truetype v0.1.2
[INFO] [stderr]   Downloaded heatmap v0.6.6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67fc79578ceb4c65ee393ab80ffd552a17ce035dbfaeed250575f10e32fa539c
[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" "67fc79578ceb4c65ee393ab80ffd552a17ce035dbfaeed250575f10e32fa539c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67fc79578ceb4c65ee393ab80ffd552a17ce035dbfaeed250575f10e32fa539c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fc79578ceb4c65ee393ab80ffd552a17ce035dbfaeed250575f10e32fa539c", kill_on_drop: false }`
[INFO] [stdout] 67fc79578ceb4c65ee393ab80ffd552a17ce035dbfaeed250575f10e32fa539c
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0535d8c1acd8dd05c449d107e5bef278815163f652c2ab867103277ab045b7a
[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" "f0535d8c1acd8dd05c449d107e5bef278815163f652c2ab867103277ab045b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking stb_truetype v0.1.2
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking rusttype v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking heatmap v0.6.6
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking waterfall v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `Command { std: "docker" "inspect" "f0535d8c1acd8dd05c449d107e5bef278815163f652c2ab867103277ab045b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0535d8c1acd8dd05c449d107e5bef278815163f652c2ab867103277ab045b7a", kill_on_drop: false }`
[INFO] [stdout] f0535d8c1acd8dd05c449d107e5bef278815163f652c2ab867103277ab045b7a