[INFO] fetching crate RUST2 0.2.0...
[INFO] checking RUST2-0.2.0 against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] extracting crate RUST2 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate RUST2 0.2.0 on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate RUST2 0.2.0
[INFO] finished tweaking crates.io crate RUST2 0.2.0
[INFO] tweaked toml for crates.io crate RUST2 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate RUST2 0.2.0 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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ca3fd61c40d453b7e93ffd93b0dba61cba39d9a0ef091b12b5b55a30bf34b77
[INFO] running `Command { std: "docker" "start" "-a" "8ca3fd61c40d453b7e93ffd93b0dba61cba39d9a0ef091b12b5b55a30bf34b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ca3fd61c40d453b7e93ffd93b0dba61cba39d9a0ef091b12b5b55a30bf34b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca3fd61c40d453b7e93ffd93b0dba61cba39d9a0ef091b12b5b55a30bf34b77", kill_on_drop: false }`
[INFO] [stdout] 8ca3fd61c40d453b7e93ffd93b0dba61cba39d9a0ef091b12b5b55a30bf34b77
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 150970779e87bd08fa3ae10a43789712a1bd2b0dfdc35505db67762c9f0fd9f8
[INFO] running `Command { std: "docker" "start" "-a" "150970779e87bd08fa3ae10a43789712a1bd2b0dfdc35505db67762c9f0fd9f8", kill_on_drop: false }`
[INFO] [stderr]     Checking RUST2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "150970779e87bd08fa3ae10a43789712a1bd2b0dfdc35505db67762c9f0fd9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "150970779e87bd08fa3ae10a43789712a1bd2b0dfdc35505db67762c9f0fd9f8", kill_on_drop: false }`
[INFO] [stdout] 150970779e87bd08fa3ae10a43789712a1bd2b0dfdc35505db67762c9f0fd9f8
