[INFO] fetching crate stateful_async_worker 0.1.2...
[INFO] checking stateful_async_worker-0.1.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate stateful_async_worker 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stateful_async_worker 0.1.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stateful_async_worker 0.1.2
[INFO] finished tweaking crates.io crate stateful_async_worker 0.1.2
[INFO] tweaked toml for crates.io crate stateful_async_worker 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded num_cpus v0.1.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 994079d9b6fbb73926f5bfa0b11ec49b3b2568ebce48ed1bb2a086b2a8a423a4
[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" "994079d9b6fbb73926f5bfa0b11ec49b3b2568ebce48ed1bb2a086b2a8a423a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "994079d9b6fbb73926f5bfa0b11ec49b3b2568ebce48ed1bb2a086b2a8a423a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994079d9b6fbb73926f5bfa0b11ec49b3b2568ebce48ed1bb2a086b2a8a423a4", kill_on_drop: false }`
[INFO] [stdout] 994079d9b6fbb73926f5bfa0b11ec49b3b2568ebce48ed1bb2a086b2a8a423a4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fb1199e7adb22dd5d1763a0dd03d6d8d97256bae7c8d15bdf5316ec91ae7afb
[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" "0fb1199e7adb22dd5d1763a0dd03d6d8d97256bae7c8d15bdf5316ec91ae7afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling num_cpus v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking stateful_async_worker v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.94s
[INFO] running `Command { std: "docker" "inspect" "0fb1199e7adb22dd5d1763a0dd03d6d8d97256bae7c8d15bdf5316ec91ae7afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb1199e7adb22dd5d1763a0dd03d6d8d97256bae7c8d15bdf5316ec91ae7afb", kill_on_drop: false }`
[INFO] [stdout] 0fb1199e7adb22dd5d1763a0dd03d6d8d97256bae7c8d15bdf5316ec91ae7afb