[INFO] fetching crate rebuilderd-worker 0.6.0...
[INFO] checking rebuilderd-worker-0.6.0 against beta for pr-78714
[INFO] extracting crate rebuilderd-worker 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rebuilderd-worker 0.6.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rebuilderd-worker 0.6.0
[INFO] finished tweaking crates.io crate rebuilderd-worker 0.6.0
[INFO] tweaked toml for crates.io crate rebuilderd-worker 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rebuilderd-worker 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 203b63bab6e6095f96213952bc1f774468bacc5ed30cb5b2cec63f68bc06bbc1
[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" "203b63bab6e6095f96213952bc1f774468bacc5ed30cb5b2cec63f68bc06bbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203b63bab6e6095f96213952bc1f774468bacc5ed30cb5b2cec63f68bc06bbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203b63bab6e6095f96213952bc1f774468bacc5ed30cb5b2cec63f68bc06bbc1", kill_on_drop: false }`
[INFO] [stdout] 203b63bab6e6095f96213952bc1f774468bacc5ed30cb5b2cec63f68bc06bbc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2c0048aeb64f4fabd9bb9dbaaf93d212055e14c34232e558a8657125781d53
[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" "6d2c0048aeb64f4fabd9bb9dbaaf93d212055e14c34232e558a8657125781d53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling native-tls v0.2.5
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking base64-serde v0.6.1
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking tokio-compat-02 v0.1.2
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking rebuilderd-common v0.6.0
[INFO] [stderr]     Checking rebuilderd-worker v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.99s
[INFO] running `Command { std: "docker" "inspect" "6d2c0048aeb64f4fabd9bb9dbaaf93d212055e14c34232e558a8657125781d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2c0048aeb64f4fabd9bb9dbaaf93d212055e14c34232e558a8657125781d53", kill_on_drop: false }`
[INFO] [stdout] 6d2c0048aeb64f4fabd9bb9dbaaf93d212055e14c34232e558a8657125781d53