[INFO] fetching crate flexar 1.2.6...
[INFO] checking flexar-1.2.6 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate flexar 1.2.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate flexar 1.2.6 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexar 1.2.6
[INFO] finished tweaking crates.io crate flexar 1.2.6
[INFO] tweaked toml for crates.io crate flexar 1.2.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate flexar 1.2.6 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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c94761d0502c58e4a53f7397a04bb78cb8e22ec6a58380900ffaf3db4864fc
[INFO] running `Command { std: "docker" "start" "-a" "17c94761d0502c58e4a53f7397a04bb78cb8e22ec6a58380900ffaf3db4864fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c94761d0502c58e4a53f7397a04bb78cb8e22ec6a58380900ffaf3db4864fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c94761d0502c58e4a53f7397a04bb78cb8e22ec6a58380900ffaf3db4864fc", kill_on_drop: false }`
[INFO] [stdout] 17c94761d0502c58e4a53f7397a04bb78cb8e22ec6a58380900ffaf3db4864fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2449790bf02467130c982d99537aa1187387d0cc73123fe23b2e804d6b357af9
[INFO] running `Command { std: "docker" "start" "-a" "2449790bf02467130c982d99537aa1187387d0cc73123fe23b2e804d6b357af9", kill_on_drop: false }`
[INFO] [stderr]     Checking flexar v1.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "2449790bf02467130c982d99537aa1187387d0cc73123fe23b2e804d6b357af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2449790bf02467130c982d99537aa1187387d0cc73123fe23b2e804d6b357af9", kill_on_drop: false }`
[INFO] [stdout] 2449790bf02467130c982d99537aa1187387d0cc73123fe23b2e804d6b357af9