[INFO] cloning repository https://github.com/liruifengv/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liruifengv/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliruifengv%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliruifengv%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f0614135a407efd67f16f6e139cd1d8e7c1509e2 [INFO] building liruifengv/hello-rust 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%2Fliruifengv%2Fhello-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/liruifengv/hello-rust 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/liruifengv/hello-rust [INFO] finished tweaking git repo https://github.com/liruifengv/hello-rust [INFO] tweaked toml for git repo https://github.com/liruifengv/hello-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/liruifengv/hello-rust 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2517a963bc8ee4f43b27e7d361581ce3e68d531d8a9b330f40a5510e5fda65b5 [INFO] running `Command { std: "docker" "start" "-a" "2517a963bc8ee4f43b27e7d361581ce3e68d531d8a9b330f40a5510e5fda65b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2517a963bc8ee4f43b27e7d361581ce3e68d531d8a9b330f40a5510e5fda65b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2517a963bc8ee4f43b27e7d361581ce3e68d531d8a9b330f40a5510e5fda65b5", kill_on_drop: false }` [INFO] [stdout] 2517a963bc8ee4f43b27e7d361581ce3e68d531d8a9b330f40a5510e5fda65b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8ca702c3d2dc573f74056bd551288253a384311d4603997bcad181f9a4ac8e36 [INFO] running `Command { std: "docker" "start" "-a" "8ca702c3d2dc573f74056bd551288253a384311d4603997bcad181f9a4ac8e36", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `logical` [INFO] [stdout] --> src/lib/front_of_house.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let logical: bool = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/lib/front_of_house.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/lib/front_of_house.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | inferred_type = 4294967296i64; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/lib/front_of_house.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/lib/front_of_house.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/lib/front_of_house.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.78s [INFO] running `Command { std: "docker" "inspect" "8ca702c3d2dc573f74056bd551288253a384311d4603997bcad181f9a4ac8e36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ca702c3d2dc573f74056bd551288253a384311d4603997bcad181f9a4ac8e36", kill_on_drop: false }` [INFO] [stdout] 8ca702c3d2dc573f74056bd551288253a384311d4603997bcad181f9a4ac8e36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f727599f088b3863f676e670df7e459c3dff4faaa67621a6739278ec511354e3 [INFO] running `Command { std: "docker" "start" "-a" "f727599f088b3863f676e670df7e459c3dff4faaa67621a6739278ec511354e3", kill_on_drop: false }` [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `logical` [INFO] [stdout] --> src/lib/front_of_house.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let logical: bool = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/lib/front_of_house.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 64 | let mut inferred_type = 12; // Type i64 is inferred from another line [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/lib/front_of_house.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | inferred_type = 4294967296i64; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/lib/front_of_house.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/lib/front_of_house.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/lib/front_of_house.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "f727599f088b3863f676e670df7e459c3dff4faaa67621a6739278ec511354e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f727599f088b3863f676e670df7e459c3dff4faaa67621a6739278ec511354e3", kill_on_drop: false }` [INFO] [stdout] f727599f088b3863f676e670df7e459c3dff4faaa67621a6739278ec511354e3