[INFO] fetching crate pro_lang_ir 3.0.0-rc2...
[INFO] checking pro_lang_ir-3.0.0-rc2 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate pro_lang_ir 3.0.0-rc2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pro_lang_ir 3.0.0-rc2 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pro_lang_ir 3.0.0-rc2
[INFO] finished tweaking crates.io crate pro_lang_ir 3.0.0-rc2
[INFO] tweaked toml for crates.io crate pro_lang_ir 3.0.0-rc2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 1057fc8e4bc7d7695ab694710963bebbd706cbdfa09b810de2911e7d6e7b26b9
[INFO] running `Command { std: "docker" "start" "-a" "1057fc8e4bc7d7695ab694710963bebbd706cbdfa09b810de2911e7d6e7b26b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1057fc8e4bc7d7695ab694710963bebbd706cbdfa09b810de2911e7d6e7b26b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1057fc8e4bc7d7695ab694710963bebbd706cbdfa09b810de2911e7d6e7b26b9", kill_on_drop: false }`
[INFO] [stdout] 1057fc8e4bc7d7695ab694710963bebbd706cbdfa09b810de2911e7d6e7b26b9
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 597c5e45ba934143c1f27d4ddacfed9df65e17e57d089e26545b729442d91bee
[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" "597c5e45ba934143c1f27d4ddacfed9df65e17e57d089e26545b729442d91bee", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking pro_lang_ir v3.0.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `Command { std: "docker" "inspect" "597c5e45ba934143c1f27d4ddacfed9df65e17e57d089e26545b729442d91bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "597c5e45ba934143c1f27d4ddacfed9df65e17e57d089e26545b729442d91bee", kill_on_drop: false }`
[INFO] [stdout] 597c5e45ba934143c1f27d4ddacfed9df65e17e57d089e26545b729442d91bee