[INFO] cloning repository https://github.com/moirey/rust_array [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moirey/rust_array" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e7ec1322a026520f1e6412092ea974ee78f89193 [INFO] building moirey/rust_array 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%2Fmoirey%2Frust_array" "/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/moirey/rust_array 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/moirey/rust_array [INFO] finished tweaking git repo https://github.com/moirey/rust_array [INFO] tweaked toml for git repo https://github.com/moirey/rust_array written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/moirey/rust_array 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.122 [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] d62bef0685fd37915a6a7fc5d0364c53acdb5e6458ad40513d84bebea6ef983b [INFO] running `Command { std: "docker" "start" "-a" "d62bef0685fd37915a6a7fc5d0364c53acdb5e6458ad40513d84bebea6ef983b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d62bef0685fd37915a6a7fc5d0364c53acdb5e6458ad40513d84bebea6ef983b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d62bef0685fd37915a6a7fc5d0364c53acdb5e6458ad40513d84bebea6ef983b", kill_on_drop: false }` [INFO] [stdout] d62bef0685fd37915a6a7fc5d0364c53acdb5e6458ad40513d84bebea6ef983b [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] caa89318ff79a63d916c49dd0074e33d0559d20020eb933740db530877e54cf4 [INFO] running `Command { std: "docker" "start" "-a" "caa89318ff79a63d916c49dd0074e33d0559d20020eb933740db530877e54cf4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.122 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling getrandom v0.2.6 [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 rust_array v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:151:3 [INFO] [stdout] | [INFO] [stdout] 151 | / /// [INFO] [stdout] 152 | | /// let a = vec![0u8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; [INFO] [stdout] 153 | | /// let c: &[u8] = &a; // works because impl Deref for Vec with Target = [T] [INFO] [stdout] 154 | | /// let d: &[u8] = a.as_ref(); // works because impl AsRef<[T]> for Vec [INFO] [stdout] 155 | | /// [INFO] [stdout] | |______^ [INFO] [stdout] ... [INFO] [stdout] 158 | let buf = &[0x41u8, 0x41u8, 0x42u8]; [INFO] [stdout] | ------------------------------------ rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `vec` [INFO] [stdout] --> src/main.rs:213:14 [INFO] [stdout] | [INFO] [stdout] 213 | macro_rules! vec { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:148:7 [INFO] [stdout] | [INFO] [stdout] 148 | let b = &a; // b: &Vec [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | let c: &[u8] = &a; // c: &[u8] [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s [INFO] running `Command { std: "docker" "inspect" "caa89318ff79a63d916c49dd0074e33d0559d20020eb933740db530877e54cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caa89318ff79a63d916c49dd0074e33d0559d20020eb933740db530877e54cf4", kill_on_drop: false }` [INFO] [stdout] caa89318ff79a63d916c49dd0074e33d0559d20020eb933740db530877e54cf4 [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] b3f8f5aae773fd7066f9436d50d6ade3fb6a2ddb8bfc184ce646beb0344ec186 [INFO] running `Command { std: "docker" "start" "-a" "b3f8f5aae773fd7066f9436d50d6ade3fb6a2ddb8bfc184ce646beb0344ec186", kill_on_drop: false }` [INFO] [stderr] Compiling rust_array v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:151:3 [INFO] [stdout] | [INFO] [stdout] 151 | / /// [INFO] [stdout] 152 | | /// let a = vec![0u8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; [INFO] [stdout] 153 | | /// let c: &[u8] = &a; // works because impl Deref for Vec with Target = [T] [INFO] [stdout] 154 | | /// let d: &[u8] = a.as_ref(); // works because impl AsRef<[T]> for Vec [INFO] [stdout] 155 | | /// [INFO] [stdout] | |______^ [INFO] [stdout] ... [INFO] [stdout] 158 | let buf = &[0x41u8, 0x41u8, 0x42u8]; [INFO] [stdout] | ------------------------------------ rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `vec` [INFO] [stdout] --> src/main.rs:213:14 [INFO] [stdout] | [INFO] [stdout] 213 | macro_rules! vec { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:148:7 [INFO] [stdout] | [INFO] [stdout] 148 | let b = &a; // b: &Vec [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:149:7 [INFO] [stdout] | [INFO] [stdout] 149 | let c: &[u8] = &a; // c: &[u8] [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "b3f8f5aae773fd7066f9436d50d6ade3fb6a2ddb8bfc184ce646beb0344ec186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3f8f5aae773fd7066f9436d50d6ade3fb6a2ddb8bfc184ce646beb0344ec186", kill_on_drop: false }` [INFO] [stdout] b3f8f5aae773fd7066f9436d50d6ade3fb6a2ddb8bfc184ce646beb0344ec186