[INFO] cloning repository https://github.com/chengluyu/simple-sub-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengluyu/simple-sub-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengluyu%2Fsimple-sub-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengluyu%2Fsimple-sub-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74a4add0db4a405072db5db288500f89a41eae00 [INFO] building chengluyu/simple-sub-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengluyu%2Fsimple-sub-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chengluyu/simple-sub-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chengluyu/simple-sub-rs [INFO] finished tweaking git repo https://github.com/chengluyu/simple-sub-rs [INFO] tweaked toml for git repo https://github.com/chengluyu/simple-sub-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chengluyu/simple-sub-rs 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 110bbea8b0225e31c344ecfd7788e4005241e607bcd3b3b5fcbd321498590705 [INFO] running `Command { std: "docker" "start" "-a" "110bbea8b0225e31c344ecfd7788e4005241e607bcd3b3b5fcbd321498590705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "110bbea8b0225e31c344ecfd7788e4005241e607bcd3b3b5fcbd321498590705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "110bbea8b0225e31c344ecfd7788e4005241e607bcd3b3b5fcbd321498590705", kill_on_drop: false }` [INFO] [stdout] 110bbea8b0225e31c344ecfd7788e4005241e607bcd3b3b5fcbd321498590705 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ec0e5c329645ab23f25ca38c209d6c82b07f4637c11f6bca9f4098d7bc48024 [INFO] running `Command { std: "docker" "start" "-a" "7ec0e5c329645ab23f25ca38c209d6c82b07f4637c11f6bca9f4098d7bc48024", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_xoshiro v0.4.0 [INFO] [stderr] Compiling im v15.0.0 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling sized-chunks v0.6.5 [INFO] [stderr] Compiling simple-sub-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `Term` is never used [INFO] [stdout] --> src/main.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Term { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SimpleType` is never used [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum SimpleType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VariableState` is never constructed [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct VariableState { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl VariableState { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 30 | fn new() -> VariableState { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Context` is never used [INFO] [stdout] --> src/main.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | type Context = HashMap; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fresh_variable` is never used [INFO] [stdout] --> src/main.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn fresh_variable() -> SimpleType { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `type_term` is never used [INFO] [stdout] --> src/main.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn type_term(term: &Term, context: &Context) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `constrain` is never used [INFO] [stdout] --> src/main.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn constrain(lhs: &mut SimpleType, rhs: &mut SimpleType) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `constrain_impl` is never used [INFO] [stdout] --> src/main.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn constrain_impl( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s [INFO] running `Command { std: "docker" "inspect" "7ec0e5c329645ab23f25ca38c209d6c82b07f4637c11f6bca9f4098d7bc48024", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ec0e5c329645ab23f25ca38c209d6c82b07f4637c11f6bca9f4098d7bc48024", kill_on_drop: false }` [INFO] [stdout] 7ec0e5c329645ab23f25ca38c209d6c82b07f4637c11f6bca9f4098d7bc48024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e8fbee0082753ee7a1e9f19dc776508577c7264a0edcaf30ba531fe5fb44ba3 [INFO] running `Command { std: "docker" "start" "-a" "0e8fbee0082753ee7a1e9f19dc776508577c7264a0edcaf30ba531fe5fb44ba3", kill_on_drop: false }` [INFO] [stderr] Compiling simple-sub-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `Term` is never used [INFO] [stdout] --> src/main.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Term { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SimpleType` is never used [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum SimpleType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VariableState` is never constructed [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct VariableState { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl VariableState { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 30 | fn new() -> VariableState { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Context` is never used [INFO] [stdout] --> src/main.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | type Context = HashMap; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fresh_variable` is never used [INFO] [stdout] --> src/main.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn fresh_variable() -> SimpleType { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `type_term` is never used [INFO] [stdout] --> src/main.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn type_term(term: &Term, context: &Context) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `constrain` is never used [INFO] [stdout] --> src/main.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn constrain(lhs: &mut SimpleType, rhs: &mut SimpleType) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `constrain_impl` is never used [INFO] [stdout] --> src/main.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn constrain_impl( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "0e8fbee0082753ee7a1e9f19dc776508577c7264a0edcaf30ba531fe5fb44ba3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e8fbee0082753ee7a1e9f19dc776508577c7264a0edcaf30ba531fe5fb44ba3", kill_on_drop: false }` [INFO] [stdout] 0e8fbee0082753ee7a1e9f19dc776508577c7264a0edcaf30ba531fe5fb44ba3