[INFO] fetching crate parity-tokio-ipc 0.8.0...
[INFO] checking parity-tokio-ipc-0.8.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate parity-tokio-ipc 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate parity-tokio-ipc 0.8.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parity-tokio-ipc 0.8.0
[INFO] finished tweaking crates.io crate parity-tokio-ipc 0.8.0
[INFO] tweaked toml for crates.io crate parity-tokio-ipc 0.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate parity-tokio-ipc 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded tokio v0.2.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 143ac1fb7c701314f8b595b1497e9307206bedcee5909358ca44fe03796a1491
[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" "143ac1fb7c701314f8b595b1497e9307206bedcee5909358ca44fe03796a1491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "143ac1fb7c701314f8b595b1497e9307206bedcee5909358ca44fe03796a1491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143ac1fb7c701314f8b595b1497e9307206bedcee5909358ca44fe03796a1491", kill_on_drop: false }`
[INFO] [stdout] 143ac1fb7c701314f8b595b1497e9307206bedcee5909358ca44fe03796a1491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e767072246de9ed8fa6e463df19e7c7cc28fe19e1ff35fac17c1c8967195cf4
[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" "7e767072246de9ed8fa6e463df19e7c7cc28fe19e1ff35fac17c1c8967195cf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking miow v0.3.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking parity-tokio-ipc v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.90s
[INFO] running `Command { std: "docker" "inspect" "7e767072246de9ed8fa6e463df19e7c7cc28fe19e1ff35fac17c1c8967195cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e767072246de9ed8fa6e463df19e7c7cc28fe19e1ff35fac17c1c8967195cf4", kill_on_drop: false }`
[INFO] [stdout] 7e767072246de9ed8fa6e463df19e7c7cc28fe19e1ff35fac17c1c8967195cf4