[INFO] fetching crate scientisto 0.3.0...
[INFO] checking scientisto-0.3.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate scientisto 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate scientisto 0.3.0
[INFO] finished tweaking crates.io crate scientisto 0.3.0
[INFO] tweaked toml for crates.io crate scientisto 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scientisto 0.3.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528b121148fdb963301b188fb3ff50553a965e06b8d24b9ffa3d945de455be3f
[INFO] running `Command { std: "docker" "start" "-a" "528b121148fdb963301b188fb3ff50553a965e06b8d24b9ffa3d945de455be3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528b121148fdb963301b188fb3ff50553a965e06b8d24b9ffa3d945de455be3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528b121148fdb963301b188fb3ff50553a965e06b8d24b9ffa3d945de455be3f", kill_on_drop: false }`
[INFO] [stdout] 528b121148fdb963301b188fb3ff50553a965e06b8d24b9ffa3d945de455be3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dca4feb16f5ee857d4f4f1ea04f3192a61af7b540558f2d380b62486c1f802d
[INFO] running `Command { std: "docker" "start" "-a" "4dca4feb16f5ee857d4f4f1ea04f3192a61af7b540558f2d380b62486c1f802d", kill_on_drop: false }`
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking polling v3.8.0
[INFO] [stderr]     Checking async-io v2.4.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking scientisto v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.18s
[INFO] running `Command { std: "docker" "inspect" "4dca4feb16f5ee857d4f4f1ea04f3192a61af7b540558f2d380b62486c1f802d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dca4feb16f5ee857d4f4f1ea04f3192a61af7b540558f2d380b62486c1f802d", kill_on_drop: false }`
[INFO] [stdout] 4dca4feb16f5ee857d4f4f1ea04f3192a61af7b540558f2d380b62486c1f802d