[INFO] cloning repository https://github.com/codeworm96/heat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeworm96/heat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeworm96%2Fheat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeworm96%2Fheat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ec3d8e2f19b609871e7904ce54433c27129d298
[INFO] checking codeworm96/heat against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeworm96%2Fheat" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codeworm96/heat on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codeworm96/heat
[INFO] finished tweaking git repo https://github.com/codeworm96/heat
[INFO] tweaked toml for git repo https://github.com/codeworm96/heat written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/codeworm96/heat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/codeworm96/systemstat.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.51
[INFO] [stderr]   Downloaded bytesize v0.1.3
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7419ab460d64fb17070b1317cfb72b94c51027c423072d80f380802c238d74c
[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" "c7419ab460d64fb17070b1317cfb72b94c51027c423072d80f380802c238d74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7419ab460d64fb17070b1317cfb72b94c51027c423072d80f380802c238d74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7419ab460d64fb17070b1317cfb72b94c51027c423072d80f380802c238d74c", kill_on_drop: false }`
[INFO] [stdout] c7419ab460d64fb17070b1317cfb72b94c51027c423072d80f380802c238d74c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28581efdebcb547da1fe74584dd5948ec18ba9814bb7197b1253d51316eca646
[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" "28581efdebcb547da1fe74584dd5948ec18ba9814bb7197b1253d51316eca646", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bytesize v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking systemstat v0.1.4 (https://github.com/codeworm96/systemstat.git#f06d7446)
[INFO] [stderr]     Checking heat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "28581efdebcb547da1fe74584dd5948ec18ba9814bb7197b1253d51316eca646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28581efdebcb547da1fe74584dd5948ec18ba9814bb7197b1253d51316eca646", kill_on_drop: false }`
[INFO] [stdout] 28581efdebcb547da1fe74584dd5948ec18ba9814bb7197b1253d51316eca646