[INFO] fetching crate safe_ocl 0.1.0...
[INFO] checking safe_ocl-0.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate safe_ocl 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate safe_ocl 0.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe_ocl 0.1.0
[INFO] finished tweaking crates.io crate safe_ocl 0.1.0
[INFO] tweaked toml for crates.io crate safe_ocl 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2534c1b58e9e7918f5bd11178917bd5b1eaee3c21fc016546e8e48562eae55c5
[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" "2534c1b58e9e7918f5bd11178917bd5b1eaee3c21fc016546e8e48562eae55c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2534c1b58e9e7918f5bd11178917bd5b1eaee3c21fc016546e8e48562eae55c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2534c1b58e9e7918f5bd11178917bd5b1eaee3c21fc016546e8e48562eae55c5", kill_on_drop: false }`
[INFO] [stdout] 2534c1b58e9e7918f5bd11178917bd5b1eaee3c21fc016546e8e48562eae55c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e07189ed730f2beea0788ddcc2de0acbdc2f32c177e161b0ae5ed6a2bbc20a50
[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" "e07189ed730f2beea0788ddcc2de0acbdc2f32c177e161b0ae5ed6a2bbc20a50", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling ocl-core v0.11.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking qutex v0.2.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking ocl-core-vector v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ocl v0.19.3
[INFO] [stderr]     Checking safe_ocl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.01s
[INFO] running `Command { std: "docker" "inspect" "e07189ed730f2beea0788ddcc2de0acbdc2f32c177e161b0ae5ed6a2bbc20a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07189ed730f2beea0788ddcc2de0acbdc2f32c177e161b0ae5ed6a2bbc20a50", kill_on_drop: false }`
[INFO] [stdout] e07189ed730f2beea0788ddcc2de0acbdc2f32c177e161b0ae5ed6a2bbc20a50