[INFO] fetching crate croaring-mw 0.4.5...
[INFO] checking croaring-mw-0.4.5 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate croaring-mw 0.4.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate croaring-mw 0.4.5 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate croaring-mw 0.4.5
[INFO] finished tweaking crates.io crate croaring-mw 0.4.5
[INFO] tweaked toml for crates.io crate croaring-mw 0.4.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd5c3a7125c0075a389786de8be3ee7af4978c5b82755ebc28b0752594833d87
[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" "bd5c3a7125c0075a389786de8be3ee7af4978c5b82755ebc28b0752594833d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd5c3a7125c0075a389786de8be3ee7af4978c5b82755ebc28b0752594833d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5c3a7125c0075a389786de8be3ee7af4978c5b82755ebc28b0752594833d87", kill_on_drop: false }`
[INFO] [stdout] bd5c3a7125c0075a389786de8be3ee7af4978c5b82755ebc28b0752594833d87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13b18d52e4603775383379b3df32995eda2d89421d035d4414eaef4daaa2035b
[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" "13b18d52e4603775383379b3df32995eda2d89421d035d4414eaef4daaa2035b", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking roaring v0.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking libc v0.2.108
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling croaring-sys-mw v0.4.5
[INFO] [stderr]     Checking croaring-mw v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `croaring`
[INFO] [stdout]  --> tests/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate croaring;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `croaring-mw` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `croaring`
[INFO] [stdout]  --> benches/benches.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate croaring;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `croaring`
[INFO] [stdout]  --> benches/performance_comparison.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate croaring;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "13b18d52e4603775383379b3df32995eda2d89421d035d4414eaef4daaa2035b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b18d52e4603775383379b3df32995eda2d89421d035d4414eaef4daaa2035b", kill_on_drop: false }`
[INFO] [stdout] 13b18d52e4603775383379b3df32995eda2d89421d035d4414eaef4daaa2035b