[INFO] fetching crate lantern 0.0.0...
[INFO] checking lantern-0.0.0 against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109-1
[INFO] extracting crate lantern 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate lantern 0.0.0
[INFO] finished tweaking crates.io crate lantern 0.0.0
[INFO] tweaked toml for crates.io crate lantern 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lantern 0.0.0 on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lantern 0.0.0 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37b01ee7a928db3e5e016eaa4fda85245cf15c48dccd83026c10b0ff7c1ae686
[INFO] running `Command { std: "docker" "start" "-a" "37b01ee7a928db3e5e016eaa4fda85245cf15c48dccd83026c10b0ff7c1ae686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b01ee7a928db3e5e016eaa4fda85245cf15c48dccd83026c10b0ff7c1ae686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b01ee7a928db3e5e016eaa4fda85245cf15c48dccd83026c10b0ff7c1ae686", kill_on_drop: false }`
[INFO] [stdout] 37b01ee7a928db3e5e016eaa4fda85245cf15c48dccd83026c10b0ff7c1ae686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b854138070f457ce4823d18548e926b426f01ffd31250b238306bfeaf56325d
[INFO] running `Command { std: "docker" "start" "-a" "4b854138070f457ce4823d18548e926b426f01ffd31250b238306bfeaf56325d", kill_on_drop: false }`
[INFO] [stderr]     Checking lantern v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "4b854138070f457ce4823d18548e926b426f01ffd31250b238306bfeaf56325d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b854138070f457ce4823d18548e926b426f01ffd31250b238306bfeaf56325d", kill_on_drop: false }`
[INFO] [stdout] 4b854138070f457ce4823d18548e926b426f01ffd31250b238306bfeaf56325d