[INFO] fetching crate async-lock 1.1.4...
[INFO] checking async-lock-1.1.4 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate async-lock 1.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-lock 1.1.4 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-lock 1.1.4
[INFO] finished tweaking crates.io crate async-lock 1.1.4
[INFO] tweaked toml for crates.io crate async-lock 1.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate async-lock 1.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d63ea4499e00c27f87543affd493c3bdef3ccbf126828a7d155751484cafd8f
[INFO] running `Command { std: "docker" "start" "-a" "5d63ea4499e00c27f87543affd493c3bdef3ccbf126828a7d155751484cafd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d63ea4499e00c27f87543affd493c3bdef3ccbf126828a7d155751484cafd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d63ea4499e00c27f87543affd493c3bdef3ccbf126828a7d155751484cafd8f", kill_on_drop: false }`
[INFO] [stdout] 5d63ea4499e00c27f87543affd493c3bdef3ccbf126828a7d155751484cafd8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1789d0a03b9b4a695b6244f497279c8f80057cac3ed7acecf0fa2bab6ffda5fa
[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" "1789d0a03b9b4a695b6244f497279c8f80057cac3ed7acecf0fa2bab6ffda5fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking parking v1.0.2
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking cache-padded v1.1.0
[INFO] [stderr]     Checking event-listener v2.0.1
[INFO] [stderr]     Checking fastrand v1.2.4
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking async-lock v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.91s
[INFO] running `Command { std: "docker" "inspect" "1789d0a03b9b4a695b6244f497279c8f80057cac3ed7acecf0fa2bab6ffda5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1789d0a03b9b4a695b6244f497279c8f80057cac3ed7acecf0fa2bab6ffda5fa", kill_on_drop: false }`
[INFO] [stdout] 1789d0a03b9b4a695b6244f497279c8f80057cac3ed7acecf0fa2bab6ffda5fa