[INFO] crate quicksilver-utils-async 0.3.0 is already in cache
[INFO] checking quicksilver-utils-async-0.3.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate quicksilver-utils-async 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate quicksilver-utils-async 0.3.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quicksilver-utils-async 0.3.0
[INFO] finished tweaking crates.io crate quicksilver-utils-async 0.3.0
[INFO] tweaked toml for crates.io crate quicksilver-utils-async 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate quicksilver-utils-async 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67f2cac2d5e62b79f21fd7835ba462b0ab12858d2394fd6f59bbe151861dfcd7
[INFO] running `"docker" "start" "-a" "67f2cac2d5e62b79f21fd7835ba462b0ab12858d2394fd6f59bbe151861dfcd7"`
[INFO] [stderr]     Checking futures-core v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.3
[INFO] [stderr]     Checking futures-task v0.3.3
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking ring v0.16.11
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-channel v0.3.3
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking thiserror v1.0.10
[INFO] [stderr]    Compiling futures-macro v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.3
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking futures-executor v0.3.3
[INFO] [stderr]     Checking futures v0.3.3
[INFO] [stderr]     Checking async-tls v0.6.0
[INFO] [stderr]     Checking soketto v0.3.2
[INFO] [stderr]     Checking quicksilver-utils-async v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.71s
[INFO] running `"docker" "inspect" "67f2cac2d5e62b79f21fd7835ba462b0ab12858d2394fd6f59bbe151861dfcd7"`
[INFO] running `"docker" "rm" "-f" "67f2cac2d5e62b79f21fd7835ba462b0ab12858d2394fd6f59bbe151861dfcd7"`
[INFO] [stdout] 67f2cac2d5e62b79f21fd7835ba462b0ab12858d2394fd6f59bbe151861dfcd7