[INFO] fetching crate smt2 0.2.0... [INFO] checking smt2-0.2.0 against try#213ba58857e42241934d114390dfcd0779fc4662 for pr-148943 [INFO] extracting crate smt2 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate smt2 0.2.0 [INFO] finished tweaking crates.io crate smt2 0.2.0 [INFO] tweaked toml for crates.io crate smt2 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate smt2 0.2.0 on toolchain 213ba58857e42241934d114390dfcd0779fc4662 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "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" "+213ba58857e42241934d114390dfcd0779fc4662" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0ae697ba057f55b8de41977bd048450cb98474426601c59169b903220a9301e [INFO] running `Command { std: "docker" "start" "-a" "b0ae697ba057f55b8de41977bd048450cb98474426601c59169b903220a9301e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0ae697ba057f55b8de41977bd048450cb98474426601c59169b903220a9301e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0ae697ba057f55b8de41977bd048450cb98474426601c59169b903220a9301e", kill_on_drop: false }` [INFO] [stdout] b0ae697ba057f55b8de41977bd048450cb98474426601c59169b903220a9301e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53afa62fdf917208d279c7481ca1c82c3b423282332a4ba4684633a20d1ca162 [INFO] running `Command { std: "docker" "start" "-a" "53afa62fdf917208d279c7481ca1c82c3b423282332a4ba4684633a20d1ca162", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking utf8-decode v1.0.1 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking source-span v2.7.0 [INFO] [stderr] Checking smt2 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `downgrade_pattern`, `downgrade_sort_declaration`, `upgrade_pattern`, and `upgrade_abstract_sort` are never used [INFO] [stdout] --> src/client/interface.rs:85:16 [INFO] [stdout] | [INFO] [stdout] 19 | impl Client { [INFO] [stdout] | ------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 85 | pub(crate) fn downgrade_pattern(&self, _pattern: &Typed>) -> ExecResult>>, Error<... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 148 | pub(crate) fn downgrade_sort_declaration(&self, decl: &SortDeclaration) -> ExecResult>,... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | pub(crate) fn upgrade_pattern(&self, _pattern: &Typed>>) -> ExecResult>, Error) -> ExecResult, Error src/client/interface.rs:85:16 [INFO] [stdout] | [INFO] [stdout] 19 | impl Client { [INFO] [stdout] | ------------------------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 85 | pub(crate) fn downgrade_pattern(&self, _pattern: &Typed>) -> ExecResult>>, Error<... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 148 | pub(crate) fn downgrade_sort_declaration(&self, decl: &SortDeclaration) -> ExecResult>,... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | pub(crate) fn upgrade_pattern(&self, _pattern: &Typed>>) -> ExecResult>, Error) -> ExecResult, Error