[INFO] fetching crate r50 0.13.1...
[INFO] checking r50-0.13.1 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate r50 0.13.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate r50 0.13.1 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r50 0.13.1
[INFO] finished tweaking crates.io crate r50 0.13.1
[INFO] tweaked toml for crates.io crate r50 0.13.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded udsx v0.7.2
[INFO] [stderr]   Downloaded zeros v5.2.0
[INFO] [stderr]   Downloaded dia-args v0.51.6
[INFO] [stderr]   Downloaded binn-ir v0.13.1
[INFO] [stderr]   Downloaded blackhole v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c4b321094bc2fb11595b1b0914972e0bd5c6e389cf083d71b2588f523f85d58
[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" "9c4b321094bc2fb11595b1b0914972e0bd5c6e389cf083d71b2588f523f85d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c4b321094bc2fb11595b1b0914972e0bd5c6e389cf083d71b2588f523f85d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4b321094bc2fb11595b1b0914972e0bd5c6e389cf083d71b2588f523f85d58", kill_on_drop: false }`
[INFO] [stdout] 9c4b321094bc2fb11595b1b0914972e0bd5c6e389cf083d71b2588f523f85d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 066a22dcc046ba927796274e6bf0cb6ee653d68d7f3b0106e0c416212b1ef9d4
[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" "066a22dcc046ba927796274e6bf0cb6ee653d68d7f3b0106e0c416212b1ef9d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking dia-args v0.51.6
[INFO] [stderr]     Checking r50 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking udsx v0.7.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "066a22dcc046ba927796274e6bf0cb6ee653d68d7f3b0106e0c416212b1ef9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066a22dcc046ba927796274e6bf0cb6ee653d68d7f3b0106e0c416212b1ef9d4", kill_on_drop: false }`
[INFO] [stdout] 066a22dcc046ba927796274e6bf0cb6ee653d68d7f3b0106e0c416212b1ef9d4