[INFO] crate async-codec 0.4.0-alpha.4 is already in cache
[INFO] checking async-codec-0.4.0-alpha.4 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate async-codec 0.4.0-alpha.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-codec 0.4.0-alpha.4 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-codec 0.4.0-alpha.4
[INFO] finished tweaking crates.io crate async-codec 0.4.0-alpha.4
[INFO] tweaked toml for crates.io crate async-codec 0.4.0-alpha.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--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-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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d133cf24073604c26e258c16302a54ce3809859f098746d2fa0b876549c7cc35
[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" "d133cf24073604c26e258c16302a54ce3809859f098746d2fa0b876549c7cc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d133cf24073604c26e258c16302a54ce3809859f098746d2fa0b876549c7cc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d133cf24073604c26e258c16302a54ce3809859f098746d2fa0b876549c7cc35", kill_on_drop: false }`
[INFO] [stdout] d133cf24073604c26e258c16302a54ce3809859f098746d2fa0b876549c7cc35
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a65b512c0234e272a0e62ea202ad785b6cce15e5deb59c06d7eb92bb5f54b0
[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" "d7a65b512c0234e272a0e62ea202ad785b6cce15e5deb59c06d7eb92bb5f54b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-lite v0.1.6
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking async-codec v0.4.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.90s
[INFO] running `Command { std: "docker" "inspect" "d7a65b512c0234e272a0e62ea202ad785b6cce15e5deb59c06d7eb92bb5f54b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a65b512c0234e272a0e62ea202ad785b6cce15e5deb59c06d7eb92bb5f54b0", kill_on_drop: false }`
[INFO] [stdout] d7a65b512c0234e272a0e62ea202ad785b6cce15e5deb59c06d7eb92bb5f54b0