[INFO] fetching crate forr 0.2.3...
[INFO] checking forr-0.2.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate forr 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate forr 0.2.3
[INFO] finished tweaking crates.io crate forr 0.2.3
[INFO] tweaked toml for crates.io crate forr 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate forr 0.2.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding manyhow v0.6.0 (available: v0.11.4)
[INFO] [stderr]       Adding proc-macro-utils v0.9.1 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d3cc6e6f478382c15008e5954eeae3c64eb7f0d3f65aadc99c1b991959d84de
[INFO] running `Command { std: "docker" "start" "-a" "5d3cc6e6f478382c15008e5954eeae3c64eb7f0d3f65aadc99c1b991959d84de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d3cc6e6f478382c15008e5954eeae3c64eb7f0d3f65aadc99c1b991959d84de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3cc6e6f478382c15008e5954eeae3c64eb7f0d3f65aadc99c1b991959d84de", kill_on_drop: false }`
[INFO] [stdout] 5d3cc6e6f478382c15008e5954eeae3c64eb7f0d3f65aadc99c1b991959d84de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 361f08f26227cceffbca277b4a8f52b619ef33aca01a467cfb28455f8b0ac13c
[INFO] running `Command { std: "docker" "start" "-a" "361f08f26227cceffbca277b4a8f52b619ef33aca01a467cfb28455f8b0ac13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking proc-macro-utils v0.9.1
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling manyhow-macros v0.6.0
[INFO] [stderr]     Checking manyhow v0.6.0
[INFO] [stderr]     Checking forr v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "361f08f26227cceffbca277b4a8f52b619ef33aca01a467cfb28455f8b0ac13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361f08f26227cceffbca277b4a8f52b619ef33aca01a467cfb28455f8b0ac13c", kill_on_drop: false }`
[INFO] [stdout] 361f08f26227cceffbca277b4a8f52b619ef33aca01a467cfb28455f8b0ac13c