[INFO] fetching crate echoes 0.1.0...
[INFO] checking echoes-0.1.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate echoes 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate echoes 0.1.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate echoes 0.1.0
[INFO] finished tweaking crates.io crate echoes 0.1.0
[INFO] tweaked toml for crates.io crate echoes 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c40085b4fb6883194301c8d60f25119016d66e1eddd09c6a7b6a6938c4a8c641
[INFO] running `Command { std: "docker" "start" "-a" "c40085b4fb6883194301c8d60f25119016d66e1eddd09c6a7b6a6938c4a8c641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c40085b4fb6883194301c8d60f25119016d66e1eddd09c6a7b6a6938c4a8c641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40085b4fb6883194301c8d60f25119016d66e1eddd09c6a7b6a6938c4a8c641", kill_on_drop: false }`
[INFO] [stdout] c40085b4fb6883194301c8d60f25119016d66e1eddd09c6a7b6a6938c4a8c641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0029b97eb57b2c672a4cc7e8d3ebc65dc4f756d5ff3842c9a2270be627464bae
[INFO] running `Command { std: "docker" "start" "-a" "0029b97eb57b2c672a4cc7e8d3ebc65dc4f756d5ff3842c9a2270be627464bae", kill_on_drop: false }`
[INFO] [stderr]     Checking echoes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "0029b97eb57b2c672a4cc7e8d3ebc65dc4f756d5ff3842c9a2270be627464bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0029b97eb57b2c672a4cc7e8d3ebc65dc4f756d5ff3842c9a2270be627464bae", kill_on_drop: false }`
[INFO] [stdout] 0029b97eb57b2c672a4cc7e8d3ebc65dc4f756d5ff3842c9a2270be627464bae