[INFO] fetching crate this 0.3.0...
[INFO] checking this-0.3.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate this 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate this 0.3.0 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate this 0.3.0
[INFO] finished tweaking crates.io crate this 0.3.0
[INFO] tweaked toml for crates.io crate this 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f372db791360c49d7b4ec4c417a67fe4fa7860c516cc5043171e69796e8e540
[INFO] running `Command { std: "docker" "start" "-a" "1f372db791360c49d7b4ec4c417a67fe4fa7860c516cc5043171e69796e8e540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f372db791360c49d7b4ec4c417a67fe4fa7860c516cc5043171e69796e8e540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f372db791360c49d7b4ec4c417a67fe4fa7860c516cc5043171e69796e8e540", kill_on_drop: false }`
[INFO] [stdout] 1f372db791360c49d7b4ec4c417a67fe4fa7860c516cc5043171e69796e8e540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c3a57fccb8fcfd8fc28ddd68a781d8f551e5d24715744de154b5bd6e2c5b692
[INFO] running `Command { std: "docker" "start" "-a" "2c3a57fccb8fcfd8fc28ddd68a781d8f551e5d24715744de154b5bd6e2c5b692", kill_on_drop: false }`
[INFO] [stderr]     Checking this v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2c3a57fccb8fcfd8fc28ddd68a781d8f551e5d24715744de154b5bd6e2c5b692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3a57fccb8fcfd8fc28ddd68a781d8f551e5d24715744de154b5bd6e2c5b692", kill_on_drop: false }`
[INFO] [stdout] 2c3a57fccb8fcfd8fc28ddd68a781d8f551e5d24715744de154b5bd6e2c5b692