[INFO] fetching crate miniconf_derive 0.19.0...
[INFO] building miniconf_derive-0.19.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate miniconf_derive 0.19.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate miniconf_derive 0.19.0
[INFO] finished tweaking crates.io crate miniconf_derive 0.19.0
[INFO] tweaked toml for crates.io crate miniconf_derive 0.19.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate miniconf_derive 0.19.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate miniconf_derive 0.19.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38147dca2da7b52bef912c6a2fb71a41d929affb4d63f201ad1e0e1c6aef7f16
[INFO] running `Command { std: "docker" "start" "-a" "38147dca2da7b52bef912c6a2fb71a41d929affb4d63f201ad1e0e1c6aef7f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38147dca2da7b52bef912c6a2fb71a41d929affb4d63f201ad1e0e1c6aef7f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38147dca2da7b52bef912c6a2fb71a41d929affb4d63f201ad1e0e1c6aef7f16", kill_on_drop: false }`
[INFO] [stdout] 38147dca2da7b52bef912c6a2fb71a41d929affb4d63f201ad1e0e1c6aef7f16
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078f62c18919851a28ed04402f4bb188cb6a558835865cb5d13ea0af955a9414
[INFO] running `Command { std: "docker" "start" "-a" "078f62c18919851a28ed04402f4bb188cb6a558835865cb5d13ea0af955a9414", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling miniconf_derive v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "078f62c18919851a28ed04402f4bb188cb6a558835865cb5d13ea0af955a9414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078f62c18919851a28ed04402f4bb188cb6a558835865cb5d13ea0af955a9414", kill_on_drop: false }`
[INFO] [stdout] 078f62c18919851a28ed04402f4bb188cb6a558835865cb5d13ea0af955a9414
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf93f96072c5ad6bc55f4a806b40511f7785f757d1855608cb897ed6d13e213a
[INFO] running `Command { std: "docker" "start" "-a" "bf93f96072c5ad6bc55f4a806b40511f7785f757d1855608cb897ed6d13e213a", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniconf_derive v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "bf93f96072c5ad6bc55f4a806b40511f7785f757d1855608cb897ed6d13e213a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf93f96072c5ad6bc55f4a806b40511f7785f757d1855608cb897ed6d13e213a", kill_on_drop: false }`
[INFO] [stdout] bf93f96072c5ad6bc55f4a806b40511f7785f757d1855608cb897ed6d13e213a