[INFO] fetching crate ringbahn 0.0.0-experimental.3...
[INFO] checking ringbahn-0.0.0-experimental.3 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate ringbahn 0.0.0-experimental.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ringbahn 0.0.0-experimental.3 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbahn 0.0.0-experimental.3
[INFO] finished tweaking crates.io crate ringbahn 0.0.0-experimental.3
[INFO] tweaked toml for crates.io crate ringbahn 0.0.0-experimental.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ringbahn 0.0.0-experimental.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25e0a9612c5122f17572ef7b5a2b2cabe7251388fa0e31aeae652c01ea8ab79b
[INFO] running `Command { std: "docker" "start" "-a" "25e0a9612c5122f17572ef7b5a2b2cabe7251388fa0e31aeae652c01ea8ab79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e0a9612c5122f17572ef7b5a2b2cabe7251388fa0e31aeae652c01ea8ab79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e0a9612c5122f17572ef7b5a2b2cabe7251388fa0e31aeae652c01ea8ab79b", kill_on_drop: false }`
[INFO] [stdout] 25e0a9612c5122f17572ef7b5a2b2cabe7251388fa0e31aeae652c01ea8ab79b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddcf7ede96119e5433a9c90c603477c52d1caad3e10e56c70d6ac021bcda6688
[INFO] running `Command { std: "docker" "start" "-a" "ddcf7ede96119e5433a9c90c603477c52d1caad3e10e56c70d6ac021bcda6688", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking event-listener v1.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking access-queue v1.1.0
[INFO] [stderr]    Compiling uring-sys v0.6.1
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking iou v0.0.0-ringbahn.1
[INFO] [stderr]     Checking ringbahn v0.0.0-experimental.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.46s
[INFO] running `Command { std: "docker" "inspect" "ddcf7ede96119e5433a9c90c603477c52d1caad3e10e56c70d6ac021bcda6688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddcf7ede96119e5433a9c90c603477c52d1caad3e10e56c70d6ac021bcda6688", kill_on_drop: false }`
[INFO] [stdout] ddcf7ede96119e5433a9c90c603477c52d1caad3e10e56c70d6ac021bcda6688