[INFO] fetching crate flatpak_gtk_themer 0.1.1...
[INFO] checking flatpak_gtk_themer-0.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate flatpak_gtk_themer 0.1.1 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate flatpak_gtk_themer 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatpak_gtk_themer 0.1.1
[INFO] finished tweaking crates.io crate flatpak_gtk_themer 0.1.1
[INFO] tweaked toml for crates.io crate flatpak_gtk_themer 0.1.1 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate crates.io crate flatpak_gtk_themer 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2f27f8ec3ffa46fb8f9b0ddc8e882aafe91f9da8a7fd3119653453deb29128d
[INFO] running `Command { std: "docker" "start" "-a" "f2f27f8ec3ffa46fb8f9b0ddc8e882aafe91f9da8a7fd3119653453deb29128d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2f27f8ec3ffa46fb8f9b0ddc8e882aafe91f9da8a7fd3119653453deb29128d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f27f8ec3ffa46fb8f9b0ddc8e882aafe91f9da8a7fd3119653453deb29128d", kill_on_drop: false }`
[INFO] [stdout] f2f27f8ec3ffa46fb8f9b0ddc8e882aafe91f9da8a7fd3119653453deb29128d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 690df6e0756365163b3fe667958f6e134358255378681431633e3832f1427d18
[INFO] running `Command { std: "docker" "start" "-a" "690df6e0756365163b3fe667958f6e134358255378681431633e3832f1427d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking flatpak_gtk_themer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.20s
[INFO] running `Command { std: "docker" "inspect" "690df6e0756365163b3fe667958f6e134358255378681431633e3832f1427d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690df6e0756365163b3fe667958f6e134358255378681431633e3832f1427d18", kill_on_drop: false }`
[INFO] [stdout] 690df6e0756365163b3fe667958f6e134358255378681431633e3832f1427d18
