[INFO] fetching crate mrt-rs 2.0.1...
[INFO] checking mrt-rs-2.0.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mrt-rs 2.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mrt-rs 2.0.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mrt-rs 2.0.1
[INFO] finished tweaking crates.io crate mrt-rs 2.0.1
[INFO] tweaked toml for crates.io crate mrt-rs 2.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31d971df5d8a8db07a7d3fb89b18f51058eae8c2b87a77290278ae8abfae9df3
[INFO] running `Command { std: "docker" "start" "-a" "31d971df5d8a8db07a7d3fb89b18f51058eae8c2b87a77290278ae8abfae9df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31d971df5d8a8db07a7d3fb89b18f51058eae8c2b87a77290278ae8abfae9df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d971df5d8a8db07a7d3fb89b18f51058eae8c2b87a77290278ae8abfae9df3", kill_on_drop: false }`
[INFO] [stdout] 31d971df5d8a8db07a7d3fb89b18f51058eae8c2b87a77290278ae8abfae9df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf639e6a0c95a55638a00f8afae4780f8e73dbf7e221a4d44ad29dffe287b0de
[INFO] running `Command { std: "docker" "start" "-a" "cf639e6a0c95a55638a00f8afae4780f8e73dbf7e221a4d44ad29dffe287b0de", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking mrt-rs v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "cf639e6a0c95a55638a00f8afae4780f8e73dbf7e221a4d44ad29dffe287b0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf639e6a0c95a55638a00f8afae4780f8e73dbf7e221a4d44ad29dffe287b0de", kill_on_drop: false }`
[INFO] [stdout] cf639e6a0c95a55638a00f8afae4780f8e73dbf7e221a4d44ad29dffe287b0de