[INFO] fetching crate scaffold 0.5.1...
[INFO] checking scaffold-0.5.1 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate scaffold 0.5.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate scaffold 0.5.1
[INFO] finished tweaking crates.io crate scaffold 0.5.1
[INFO] tweaked toml for crates.io crate scaffold 0.5.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scaffold 0.5.1 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 crates.io crate scaffold 0.5.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] be9e21a87dff830e296826d5b16ff50bd19fee3f740ddd6d448a9bb6565b0c25
[INFO] running `Command { std: "docker" "start" "-a" "be9e21a87dff830e296826d5b16ff50bd19fee3f740ddd6d448a9bb6565b0c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be9e21a87dff830e296826d5b16ff50bd19fee3f740ddd6d448a9bb6565b0c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9e21a87dff830e296826d5b16ff50bd19fee3f740ddd6d448a9bb6565b0c25", kill_on_drop: false }`
[INFO] [stdout] be9e21a87dff830e296826d5b16ff50bd19fee3f740ddd6d448a9bb6565b0c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3afb3e2f6f1e2fd430c8bc42b40bfb609b8580024007eaf1c176a813c52cf1b1
[INFO] running `Command { std: "docker" "start" "-a" "3afb3e2f6f1e2fd430c8bc42b40bfb609b8580024007eaf1c176a813c52cf1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rpassword v2.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking quest v0.3.0
[INFO] [stderr]     Checking shellexpand v1.1.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking scaffold v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DependencyGroups` is never constructed
[INFO] [stdout]   --> src/group_reader.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct DependencyGroups {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DependencyGroups` is never constructed
[INFO] [stdout]   --> src/group_reader.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct DependencyGroups {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "3afb3e2f6f1e2fd430c8bc42b40bfb609b8580024007eaf1c176a813c52cf1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afb3e2f6f1e2fd430c8bc42b40bfb609b8580024007eaf1c176a813c52cf1b1", kill_on_drop: false }`
[INFO] [stdout] 3afb3e2f6f1e2fd430c8bc42b40bfb609b8580024007eaf1c176a813c52cf1b1