[INFO] fetching crate r50 0.13.1...
[INFO] checking r50-0.13.1 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate r50 0.13.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate r50 0.13.1 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binn-ir v0.13.1
[INFO] [stderr]   Downloaded zeros v5.2.0
[INFO] [stderr]   Downloaded blackhole v0.16.0
[INFO] [stderr]   Downloaded dia-args v0.51.6
[INFO] [stderr]   Downloaded udsx v0.7.2
[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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5658d897234724600876d2d4834f9a550bbeb9ec6a41ea00b3e0b9eb8443ed76
[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" "5658d897234724600876d2d4834f9a550bbeb9ec6a41ea00b3e0b9eb8443ed76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5658d897234724600876d2d4834f9a550bbeb9ec6a41ea00b3e0b9eb8443ed76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5658d897234724600876d2d4834f9a550bbeb9ec6a41ea00b3e0b9eb8443ed76", kill_on_drop: false }`
[INFO] [stdout] 5658d897234724600876d2d4834f9a550bbeb9ec6a41ea00b3e0b9eb8443ed76
[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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73c1e0cf0d7cdda0026e9bef9cdcb85cb1a53c076d57d5b645d7cb1a7ab0ff05
[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" "73c1e0cf0d7cdda0026e9bef9cdcb85cb1a53c076d57d5b645d7cb1a7ab0ff05", kill_on_drop: false }`
[INFO] [stderr]     Checking dia-args v0.51.6
[INFO] [stderr]     Checking udsx v0.7.2
[INFO] [stderr]     Checking r50 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "73c1e0cf0d7cdda0026e9bef9cdcb85cb1a53c076d57d5b645d7cb1a7ab0ff05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c1e0cf0d7cdda0026e9bef9cdcb85cb1a53c076d57d5b645d7cb1a7ab0ff05", kill_on_drop: false }`
[INFO] [stdout] 73c1e0cf0d7cdda0026e9bef9cdcb85cb1a53c076d57d5b645d7cb1a7ab0ff05