[INFO] fetching crate dwfv 0.5.0...
[INFO] checking dwfv-0.5.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate dwfv 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate dwfv 0.5.0
[INFO] finished tweaking crates.io crate dwfv 0.5.0
[INFO] tweaked toml for crates.io crate dwfv 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dwfv 0.5.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dwfv 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.1
[INFO] [stderr]   Downloaded gumdrop v0.8.1
[INFO] [stderr]   Downloaded numtoa v0.2.4
[INFO] [stderr]   Downloaded termion v4.0.4
[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c267e52ec2586d2d47904ab8d20ed140bea4992dc724782e299bac5f0cdf3cdc
[INFO] running `Command { std: "docker" "start" "-a" "c267e52ec2586d2d47904ab8d20ed140bea4992dc724782e299bac5f0cdf3cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c267e52ec2586d2d47904ab8d20ed140bea4992dc724782e299bac5f0cdf3cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c267e52ec2586d2d47904ab8d20ed140bea4992dc724782e299bac5f0cdf3cdc", kill_on_drop: false }`
[INFO] [stdout] c267e52ec2586d2d47904ab8d20ed140bea4992dc724782e299bac5f0cdf3cdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ff06c5ee55a60918719c947a963db01d3458c8055abc58a9975f10ba7ca475f
[INFO] running `Command { std: "docker" "start" "-a" "5ff06c5ee55a60918719c947a963db01d3458c8055abc58a9975f10ba7ca475f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking termion v4.0.4
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]     Checking dwfv v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "5ff06c5ee55a60918719c947a963db01d3458c8055abc58a9975f10ba7ca475f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff06c5ee55a60918719c947a963db01d3458c8055abc58a9975f10ba7ca475f", kill_on_drop: false }`
[INFO] [stdout] 5ff06c5ee55a60918719c947a963db01d3458c8055abc58a9975f10ba7ca475f