[INFO] fetching crate dcommon 0.3.0-alpha1...
[INFO] checking dcommon-0.3.0-alpha1 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate dcommon 0.3.0-alpha1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate dcommon 0.3.0-alpha1 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dcommon 0.3.0-alpha1
[INFO] finished tweaking crates.io crate dcommon 0.3.0-alpha1
[INFO] tweaked toml for crates.io crate dcommon 0.3.0-alpha1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ec849ce5417145e0a5182dee6db934b3bf1593a7a5637915a36ab4e64f305be
[INFO] running `Command { std: "docker" "start" "-a" "2ec849ce5417145e0a5182dee6db934b3bf1593a7a5637915a36ab4e64f305be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec849ce5417145e0a5182dee6db934b3bf1593a7a5637915a36ab4e64f305be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec849ce5417145e0a5182dee6db934b3bf1593a7a5637915a36ab4e64f305be", kill_on_drop: false }`
[INFO] [stdout] 2ec849ce5417145e0a5182dee6db934b3bf1593a7a5637915a36ab4e64f305be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d62924663a522024a253d2866821a0527d0c52ed395f44a7ac9100b571cfb1
[INFO] running `Command { std: "docker" "start" "-a" "47d62924663a522024a253d2866821a0527d0c52ed395f44a7ac9100b571cfb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking dcommon v0.3.0-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "47d62924663a522024a253d2866821a0527d0c52ed395f44a7ac9100b571cfb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d62924663a522024a253d2866821a0527d0c52ed395f44a7ac9100b571cfb1", kill_on_drop: false }`
[INFO] [stdout] 47d62924663a522024a253d2866821a0527d0c52ed395f44a7ac9100b571cfb1