[INFO] updating cached repository https://github.com/hew/rust-surfing-around-async-std-surf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90b84164d6815f3f82d447fe2dee065a07e619b8
[INFO] checking hew/rust-surfing-around-async-std-surf against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhew%2Frust-surfing-around-async-std-surf" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hew/rust-surfing-around-async-std-surf on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hew/rust-surfing-around-async-std-surf
[INFO] finished tweaking git repo https://github.com/hew/rust-surfing-around-async-std-surf
[INFO] tweaked toml for git repo https://github.com/hew/rust-surfing-around-async-std-surf written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hew/rust-surfing-around-async-std-surf already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] af738fdffc07a7cadd357b7984b7a0b14fd70790cfd48d00a15a036d74deae8e
[INFO] running `"docker" "start" "-a" "af738fdffc07a7cadd357b7984b7a0b14fd70790cfd48d00a15a036d74deae8e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling isahc v0.7.5
[INFO] [stderr]    Compiling curl-sys v0.4.23
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking async-std v0.99.11 (https://github.com/async-rs/async-std#1707638e)
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking surf v1.0.2 (https://github.com/rustasync/surf#2453e37c)
[INFO] [stderr]     Checking surfin-around v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.45s
[INFO] running `"docker" "inspect" "af738fdffc07a7cadd357b7984b7a0b14fd70790cfd48d00a15a036d74deae8e"`
[INFO] running `"docker" "rm" "-f" "af738fdffc07a7cadd357b7984b7a0b14fd70790cfd48d00a15a036d74deae8e"`
[INFO] [stdout] af738fdffc07a7cadd357b7984b7a0b14fd70790cfd48d00a15a036d74deae8e