[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 try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforward-progress%2Fffpack" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/forward-progress/ffpack on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 166581b89682e5af21653141e6a0a12469cdb7d857cb1265772e400614e1de78
[INFO] running `Command { std: "docker" "start" "-a" "166581b89682e5af21653141e6a0a12469cdb7d857cb1265772e400614e1de78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "166581b89682e5af21653141e6a0a12469cdb7d857cb1265772e400614e1de78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166581b89682e5af21653141e6a0a12469cdb7d857cb1265772e400614e1de78", kill_on_drop: false }`
[INFO] [stdout] 166581b89682e5af21653141e6a0a12469cdb7d857cb1265772e400614e1de78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1593164625c87ef0b6cf338f645fd762a9a3f20b9fae79f64a09dc9114cc2195
[INFO] running `Command { std: "docker" "start" "-a" "1593164625c87ef0b6cf338f645fd762a9a3f20b9fae79f64a09dc9114cc2195", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[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 idna v0.2.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking regex v1.5.6
[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_json v1.0.81
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking relative-path v1.7.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ffpack v0.0.1-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.89s
[INFO] running `Command { std: "docker" "inspect" "1593164625c87ef0b6cf338f645fd762a9a3f20b9fae79f64a09dc9114cc2195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1593164625c87ef0b6cf338f645fd762a9a3f20b9fae79f64a09dc9114cc2195", kill_on_drop: false }`
[INFO] [stdout] 1593164625c87ef0b6cf338f645fd762a9a3f20b9fae79f64a09dc9114cc2195