[INFO] cloning repository https://github.com/forward-progress/ffpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/forward-progress/ffpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforward-progress%2Fffpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforward-progress%2Fffpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3561db7eecb1ac7528a81ac73e8f4085e4e99d79
[INFO] checking forward-progress/ffpack against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforward-progress%2Fffpack" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/forward-progress/ffpack on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/forward-progress/ffpack
[INFO] finished tweaking git repo https://github.com/forward-progress/ffpack
[INFO] tweaked toml for git repo https://github.com/forward-progress/ffpack written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/forward-progress/ffpack 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relative-path v1.7.0
[INFO] [stderr]   Downloaded snafu v0.7.1
[INFO] [stderr]   Downloaded snafu-derive v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fef0b0a8289d7a1401342815f9d91cc81c7f214af122a3809baa9d4faf04a16d
[INFO] running `Command { std: "docker" "start" "-a" "fef0b0a8289d7a1401342815f9d91cc81c7f214af122a3809baa9d4faf04a16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fef0b0a8289d7a1401342815f9d91cc81c7f214af122a3809baa9d4faf04a16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef0b0a8289d7a1401342815f9d91cc81c7f214af122a3809baa9d4faf04a16d", kill_on_drop: false }`
[INFO] [stdout] fef0b0a8289d7a1401342815f9d91cc81c7f214af122a3809baa9d4faf04a16d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5397521ea88dfdcd908bb892a2cde9510618aa4df2a76ad015cce19533faee68
[INFO] running `Command { std: "docker" "start" "-a" "5397521ea88dfdcd908bb892a2cde9510618aa4df2a76ad015cce19533faee68", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling quote v1.0.19
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling snafu-derive v0.7.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking snafu v0.7.1
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking relative-path v1.7.0
[INFO] [stderr]     Checking ffpack v0.0.1-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "5397521ea88dfdcd908bb892a2cde9510618aa4df2a76ad015cce19533faee68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5397521ea88dfdcd908bb892a2cde9510618aa4df2a76ad015cce19533faee68", kill_on_drop: false }`
[INFO] [stdout] 5397521ea88dfdcd908bb892a2cde9510618aa4df2a76ad015cce19533faee68