[INFO] fetching crate utf8-stream 0.0.0...
[INFO] building utf8-stream-0.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate utf8-stream 0.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate utf8-stream 0.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate utf8-stream 0.0.0
[INFO] tweaked toml for crates.io crate utf8-stream 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate utf8-stream 0.0.0 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 utf8-stream 0.0.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bd781b336a8b7cb35da518e463dc4b1cd88fa5aa0bcfb7095cb92d29e66a4dbb
[INFO] running `Command { std: "docker" "start" "-a" "bd781b336a8b7cb35da518e463dc4b1cd88fa5aa0bcfb7095cb92d29e66a4dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd781b336a8b7cb35da518e463dc4b1cd88fa5aa0bcfb7095cb92d29e66a4dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd781b336a8b7cb35da518e463dc4b1cd88fa5aa0bcfb7095cb92d29e66a4dbb", kill_on_drop: false }`
[INFO] [stdout] bd781b336a8b7cb35da518e463dc4b1cd88fa5aa0bcfb7095cb92d29e66a4dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a6edc40b41d4f443debb15880214f25be3f2bd201c8b571091dd9b5763837aa
[INFO] running `Command { std: "docker" "start" "-a" "7a6edc40b41d4f443debb15880214f25be3f2bd201c8b571091dd9b5763837aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-stream v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "7a6edc40b41d4f443debb15880214f25be3f2bd201c8b571091dd9b5763837aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6edc40b41d4f443debb15880214f25be3f2bd201c8b571091dd9b5763837aa", kill_on_drop: false }`
[INFO] [stdout] 7a6edc40b41d4f443debb15880214f25be3f2bd201c8b571091dd9b5763837aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e6547059ccb69979aec178567a74da23dd30585733cfdeba4907cdabc3c970bd
[INFO] running `Command { std: "docker" "start" "-a" "e6547059ccb69979aec178567a74da23dd30585733cfdeba4907cdabc3c970bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-stream v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e6547059ccb69979aec178567a74da23dd30585733cfdeba4907cdabc3c970bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6547059ccb69979aec178567a74da23dd30585733cfdeba4907cdabc3c970bd", kill_on_drop: false }`
[INFO] [stdout] e6547059ccb69979aec178567a74da23dd30585733cfdeba4907cdabc3c970bd