[INFO] fetching crate waterfall 0.7.1...
[INFO] checking waterfall-0.7.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate waterfall 0.7.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate waterfall 0.7.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fc041b6b7a34c3c8038b926cabd6ca558edf54dbcb142290bfd1c950a409bb5
[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" "9fc041b6b7a34c3c8038b926cabd6ca558edf54dbcb142290bfd1c950a409bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc041b6b7a34c3c8038b926cabd6ca558edf54dbcb142290bfd1c950a409bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc041b6b7a34c3c8038b926cabd6ca558edf54dbcb142290bfd1c950a409bb5", kill_on_drop: false }`
[INFO] [stdout] 9fc041b6b7a34c3c8038b926cabd6ca558edf54dbcb142290bfd1c950a409bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f786c84433439d73a4d4103a7a2cea7560029d7ef6015eb828c9d4d26cb147d7
[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" "f786c84433439d73a4d4103a7a2cea7560029d7ef6015eb828c9d4d26cb147d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]     Checking stb_truetype v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking deflate v0.7.20
[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 png v0.7.0
[INFO] [stderr]     Checking waterfall v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.76s
[INFO] running `Command { std: "docker" "inspect" "f786c84433439d73a4d4103a7a2cea7560029d7ef6015eb828c9d4d26cb147d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f786c84433439d73a4d4103a7a2cea7560029d7ef6015eb828c9d4d26cb147d7", kill_on_drop: false }`
[INFO] [stdout] f786c84433439d73a4d4103a7a2cea7560029d7ef6015eb828c9d4d26cb147d7