[INFO] fetching crate cfg 0.8.0...
[INFO] checking cfg-0.8.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate cfg 0.8.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cfg 0.8.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfg 0.8.0
[INFO] finished tweaking crates.io crate cfg 0.8.0
[INFO] tweaked toml for crates.io crate cfg 0.8.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding bit-matrix v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded archery v1.2.0
[INFO] [stderr]   Downloaded triomphe v0.1.11
[INFO] [stderr]   Downloaded optional v0.5.0
[INFO] [stderr]   Downloaded bit-matrix v0.6.1
[INFO] [stderr]   Downloaded rpds v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 568f19221e0a0b44faad969950a2fad059009952f31c2505f47bdacfc26397da
[INFO] running `Command { std: "docker" "start" "-a" "568f19221e0a0b44faad969950a2fad059009952f31c2505f47bdacfc26397da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "568f19221e0a0b44faad969950a2fad059009952f31c2505f47bdacfc26397da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568f19221e0a0b44faad969950a2fad059009952f31c2505f47bdacfc26397da", kill_on_drop: false }`
[INFO] [stdout] 568f19221e0a0b44faad969950a2fad059009952f31c2505f47bdacfc26397da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a77223f41df459e1301e687c574755d97899ea4579fc5a339719aba3654c6f5
[INFO] running `Command { std: "docker" "start" "-a" "6a77223f41df459e1301e687c574755d97899ea4579fc5a339719aba3654c6f5", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking optional v0.5.0
[INFO] [stderr]     Checking bit-matrix v0.6.1
[INFO] [stderr]     Checking cfg v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "6a77223f41df459e1301e687c574755d97899ea4579fc5a339719aba3654c6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a77223f41df459e1301e687c574755d97899ea4579fc5a339719aba3654c6f5", kill_on_drop: false }`
[INFO] [stdout] 6a77223f41df459e1301e687c574755d97899ea4579fc5a339719aba3654c6f5