[INFO] cloning repository https://github.com/cwgreene/rustserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwgreene/rustserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwgreene%2Frustserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwgreene%2Frustserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23c6bd21fbb02eb9457256610c88548a51106481
[INFO] checking cwgreene/rustserver against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwgreene%2Frustserver" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwgreene/rustserver on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwgreene/rustserver
[INFO] finished tweaking git repo https://github.com/cwgreene/rustserver
[INFO] tweaked toml for git repo https://github.com/cwgreene/rustserver written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/cwgreene/rustserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7677d0ddc36b9a3b9d9401e209c438450863d2a589ae050324f308bd8aaa08f0
[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" "7677d0ddc36b9a3b9d9401e209c438450863d2a589ae050324f308bd8aaa08f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7677d0ddc36b9a3b9d9401e209c438450863d2a589ae050324f308bd8aaa08f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7677d0ddc36b9a3b9d9401e209c438450863d2a589ae050324f308bd8aaa08f0", kill_on_drop: false }`
[INFO] [stdout] 7677d0ddc36b9a3b9d9401e209c438450863d2a589ae050324f308bd8aaa08f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 238085c8c351eb52220faa169983ae4bb24f54381a024be45d0dafb8e08e0235
[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" "238085c8c351eb52220faa169983ae4bb24f54381a024be45d0dafb8e08e0235", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking staticfilehyper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.76s
[INFO] running `Command { std: "docker" "inspect" "238085c8c351eb52220faa169983ae4bb24f54381a024be45d0dafb8e08e0235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238085c8c351eb52220faa169983ae4bb24f54381a024be45d0dafb8e08e0235", kill_on_drop: false }`
[INFO] [stdout] 238085c8c351eb52220faa169983ae4bb24f54381a024be45d0dafb8e08e0235