[INFO] fetching crate u16cstr 0.4.0...
[INFO] building u16cstr-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate u16cstr 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate u16cstr 0.4.0
[INFO] finished tweaking crates.io crate u16cstr 0.4.0
[INFO] tweaked toml for crates.io crate u16cstr 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate u16cstr 0.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wchar-impl v0.11.0
[INFO] [stderr]   Downloaded wchar v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c520668a86b91ab564b0796636a2381f53364ef4a38462db3dd0b52ab2ae0c94
[INFO] running `Command { std: "docker" "start" "-a" "c520668a86b91ab564b0796636a2381f53364ef4a38462db3dd0b52ab2ae0c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c520668a86b91ab564b0796636a2381f53364ef4a38462db3dd0b52ab2ae0c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c520668a86b91ab564b0796636a2381f53364ef4a38462db3dd0b52ab2ae0c94", kill_on_drop: false }`
[INFO] [stdout] c520668a86b91ab564b0796636a2381f53364ef4a38462db3dd0b52ab2ae0c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8851ffce3b50c1b4776e946a1cb4e89236e15b0ceb86d3e2d1fd09176eb87106
[INFO] running `Command { std: "docker" "start" "-a" "8851ffce3b50c1b4776e946a1cb4e89236e15b0ceb86d3e2d1fd09176eb87106", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wchar v0.11.1
[INFO] [stderr]    Compiling widestring v1.2.0
[INFO] [stderr]    Compiling wchar-impl v0.11.0
[INFO] [stderr]    Compiling u16cstr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "8851ffce3b50c1b4776e946a1cb4e89236e15b0ceb86d3e2d1fd09176eb87106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8851ffce3b50c1b4776e946a1cb4e89236e15b0ceb86d3e2d1fd09176eb87106", kill_on_drop: false }`
[INFO] [stdout] 8851ffce3b50c1b4776e946a1cb4e89236e15b0ceb86d3e2d1fd09176eb87106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 388f8141c2120077e640c8a43fa48382aa7f23b068b5c87cd0f8592306624efb
[INFO] running `Command { std: "docker" "start" "-a" "388f8141c2120077e640c8a43fa48382aa7f23b068b5c87cd0f8592306624efb", kill_on_drop: false }`
[INFO] [stderr]    Compiling u16cstr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "388f8141c2120077e640c8a43fa48382aa7f23b068b5c87cd0f8592306624efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388f8141c2120077e640c8a43fa48382aa7f23b068b5c87cd0f8592306624efb", kill_on_drop: false }`
[INFO] [stdout] 388f8141c2120077e640c8a43fa48382aa7f23b068b5c87cd0f8592306624efb