[INFO] crate runtime 0.3.0-alpha.7 is already in cache
[INFO] checking runtime-0.3.0-alpha.7 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate runtime 0.3.0-alpha.7 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate runtime 0.3.0-alpha.7 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate runtime 0.3.0-alpha.7
[INFO] finished tweaking crates.io crate runtime 0.3.0-alpha.7
[INFO] tweaked toml for crates.io crate runtime 0.3.0-alpha.7 written to work/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate runtime 0.3.0-alpha.7 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 20ea4aecd0afd4c09859c9ec8902c20e650fc1e29cc2d0f1c1448f86f68932db
[INFO] running `"docker" "start" "-a" "20ea4aecd0afd4c09859c9ec8902c20e650fc1e29cc2d0f1c1448f86f68932db"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking juliex v0.3.0-alpha.8
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.5
[INFO] [stderr]     Checking romio v0.3.0-alpha.9
[INFO] [stderr]     Checking runtime-tokio v0.3.0-alpha.6
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.6
[INFO] [stderr]     Checking runtime v0.3.0-alpha.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "20ea4aecd0afd4c09859c9ec8902c20e650fc1e29cc2d0f1c1448f86f68932db"`
[INFO] running `"docker" "rm" "-f" "20ea4aecd0afd4c09859c9ec8902c20e650fc1e29cc2d0f1c1448f86f68932db"`
[INFO] [stdout] 20ea4aecd0afd4c09859c9ec8902c20e650fc1e29cc2d0f1c1448f86f68932db