[INFO] fetching crate aurpc 0.3.1...
[INFO] checking aurpc-0.3.1 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate aurpc 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate aurpc 0.3.1 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aurpc 0.3.1
[INFO] finished tweaking crates.io crate aurpc 0.3.1
[INFO] tweaked toml for crates.io crate aurpc 0.3.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate aurpc 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b346720ee682abb337a4b9552f80fbed2b4552e8b8dd6e1d998ef836cbc02297
[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" "b346720ee682abb337a4b9552f80fbed2b4552e8b8dd6e1d998ef836cbc02297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b346720ee682abb337a4b9552f80fbed2b4552e8b8dd6e1d998ef836cbc02297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b346720ee682abb337a4b9552f80fbed2b4552e8b8dd6e1d998ef836cbc02297", kill_on_drop: false }`
[INFO] [stdout] b346720ee682abb337a4b9552f80fbed2b4552e8b8dd6e1d998ef836cbc02297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82e9a11703034e0662511ff57cc9b12995589b5e3f37f4eaab51e45235ae63bb
[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" "82e9a11703034e0662511ff57cc9b12995589b5e3f37f4eaab51e45235ae63bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking parking v1.0.2
[INFO] [stderr]     Checking cache-padded v1.1.0
[INFO] [stderr]     Checking fastrand v1.2.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking aurpc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.22s
[INFO] running `Command { std: "docker" "inspect" "82e9a11703034e0662511ff57cc9b12995589b5e3f37f4eaab51e45235ae63bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e9a11703034e0662511ff57cc9b12995589b5e3f37f4eaab51e45235ae63bb", kill_on_drop: false }`
[INFO] [stdout] 82e9a11703034e0662511ff57cc9b12995589b5e3f37f4eaab51e45235ae63bb