[INFO] fetching crate farm 1.1.0...
[INFO] checking farm-1.1.0 against beta for pr-78714
[INFO] extracting crate farm 1.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate farm 1.1.0 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 farm 1.1.0
[INFO] finished tweaking crates.io crate farm 1.1.0
[INFO] tweaked toml for crates.io crate farm 1.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d0685901706645a6b3e16c9c21004b9e71fd306152e2c0046796581f00c0559
[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" "3d0685901706645a6b3e16c9c21004b9e71fd306152e2c0046796581f00c0559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d0685901706645a6b3e16c9c21004b9e71fd306152e2c0046796581f00c0559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0685901706645a6b3e16c9c21004b9e71fd306152e2c0046796581f00c0559", kill_on_drop: false }`
[INFO] [stdout] 3d0685901706645a6b3e16c9c21004b9e71fd306152e2c0046796581f00c0559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7749693cc51bb11c093da890bfc823e89c34e70659e77d376ade2feb37f1129
[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" "d7749693cc51bb11c093da890bfc823e89c34e70659e77d376ade2feb37f1129", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking mysql_common v0.12.0
[INFO] [stderr]     Checking mysql v14.2.0
[INFO] [stderr]     Checking r2d2_mysql v9.0.0
[INFO] [stderr]     Checking farm v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.77s
[INFO] running `Command { std: "docker" "inspect" "d7749693cc51bb11c093da890bfc823e89c34e70659e77d376ade2feb37f1129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7749693cc51bb11c093da890bfc823e89c34e70659e77d376ade2feb37f1129", kill_on_drop: false }`
[INFO] [stdout] d7749693cc51bb11c093da890bfc823e89c34e70659e77d376ade2feb37f1129