[INFO] fetching crate btree-vec 0.3.1...
[INFO] checking btree-vec-0.3.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate btree-vec 0.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate btree-vec 0.3.1 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 btree-vec 0.3.1
[INFO] finished tweaking crates.io crate btree-vec 0.3.1
[INFO] tweaked toml for crates.io crate btree-vec 0.3.1 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 4 packages to latest compatible versions
[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 tagged-pointer v0.2.7
[INFO] [stderr]   Downloaded add-syntax v0.1.0
[INFO] [stderr]   Downloaded allocator-fallback v0.1.8
[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] 096e4dc719cd01898f7096d299f5efbd0bea4f58b1d078c023169eefba574625
[INFO] running `Command { std: "docker" "start" "-a" "096e4dc719cd01898f7096d299f5efbd0bea4f58b1d078c023169eefba574625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "096e4dc719cd01898f7096d299f5efbd0bea4f58b1d078c023169eefba574625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096e4dc719cd01898f7096d299f5efbd0bea4f58b1d078c023169eefba574625", kill_on_drop: false }`
[INFO] [stdout] 096e4dc719cd01898f7096d299f5efbd0bea4f58b1d078c023169eefba574625
[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] dcca5bb48155b9b79e833fe76e6d3cac6a8ae03ca510436a9934151a2abeb1c4
[INFO] running `Command { std: "docker" "start" "-a" "dcca5bb48155b9b79e833fe76e6d3cac6a8ae03ca510436a9934151a2abeb1c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tagged-pointer v0.2.7
[INFO] [stderr]    Compiling btree-vec v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "dcca5bb48155b9b79e833fe76e6d3cac6a8ae03ca510436a9934151a2abeb1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcca5bb48155b9b79e833fe76e6d3cac6a8ae03ca510436a9934151a2abeb1c4", kill_on_drop: false }`
[INFO] [stdout] dcca5bb48155b9b79e833fe76e6d3cac6a8ae03ca510436a9934151a2abeb1c4