[INFO] fetching crate singlyton 4.1.1...
[INFO] checking singlyton-4.1.1 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate singlyton 4.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate singlyton 4.1.1 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate singlyton 4.1.1
[INFO] finished tweaking crates.io crate singlyton 4.1.1
[INFO] tweaked toml for crates.io crate singlyton 4.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b171f6f1e77090a424dbc3db01b67da5d8b002a272d4a74150ff3a31c557c121
[INFO] running `Command { std: "docker" "start" "-a" "b171f6f1e77090a424dbc3db01b67da5d8b002a272d4a74150ff3a31c557c121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b171f6f1e77090a424dbc3db01b67da5d8b002a272d4a74150ff3a31c557c121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b171f6f1e77090a424dbc3db01b67da5d8b002a272d4a74150ff3a31c557c121", kill_on_drop: false }`
[INFO] [stdout] b171f6f1e77090a424dbc3db01b67da5d8b002a272d4a74150ff3a31c557c121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1764269f54b5a361a7f1a24c3a624642579e291b82538e3f9377f288e0a1e5f0
[INFO] running `Command { std: "docker" "start" "-a" "1764269f54b5a361a7f1a24c3a624642579e291b82538e3f9377f288e0a1e5f0", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]     Checking singlyton v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1764269f54b5a361a7f1a24c3a624642579e291b82538e3f9377f288e0a1e5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1764269f54b5a361a7f1a24c3a624642579e291b82538e3f9377f288e0a1e5f0", kill_on_drop: false }`
[INFO] [stdout] 1764269f54b5a361a7f1a24c3a624642579e291b82538e3f9377f288e0a1e5f0