[INFO] fetching crate mu_db 0.0.1...
[INFO] checking mu_db-0.0.1 against try#3c75d5844aa65b4aa19243ac44ceda49fe4e61ca for pr-143545
[INFO] extracting crate mu_db 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mu_db 0.0.1
[INFO] finished tweaking crates.io crate mu_db 0.0.1
[INFO] tweaked toml for crates.io crate mu_db 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mu_db 0.0.1 on toolchain 3c75d5844aa65b4aa19243ac44ceda49fe4e61ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mu_db 0.0.1 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" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98af8f66ecc33af9bef6206efb7f237a6bb1a94dcafd1174b564b2f84d93c2bb
[INFO] running `Command { std: "docker" "start" "-a" "98af8f66ecc33af9bef6206efb7f237a6bb1a94dcafd1174b564b2f84d93c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98af8f66ecc33af9bef6206efb7f237a6bb1a94dcafd1174b564b2f84d93c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98af8f66ecc33af9bef6206efb7f237a6bb1a94dcafd1174b564b2f84d93c2bb", kill_on_drop: false }`
[INFO] [stdout] 98af8f66ecc33af9bef6206efb7f237a6bb1a94dcafd1174b564b2f84d93c2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f593324be1ce9b6f6484951a869e0fb7c5789ce094cd29e1738c0890f0bad4e
[INFO] running `Command { std: "docker" "start" "-a" "7f593324be1ce9b6f6484951a869e0fb7c5789ce094cd29e1738c0890f0bad4e", kill_on_drop: false }`
[INFO] [stderr]     Checking mu_db v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "7f593324be1ce9b6f6484951a869e0fb7c5789ce094cd29e1738c0890f0bad4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f593324be1ce9b6f6484951a869e0fb7c5789ce094cd29e1738c0890f0bad4e", kill_on_drop: false }`
[INFO] [stdout] 7f593324be1ce9b6f6484951a869e0fb7c5789ce094cd29e1738c0890f0bad4e