[INFO] cloning repository https://github.com/cuiyiming1998/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cuiyiming1998/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiyiming1998%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiyiming1998%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2712b2eee53474291641692b3caa8f945c26ec22 [INFO] building cuiyiming1998/learning-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%2Fcuiyiming1998%2Flearning-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cuiyiming1998/learning-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/cuiyiming1998/learning-rust [INFO] finished tweaking git repo https://github.com/cuiyiming1998/learning-rust [INFO] tweaked toml for git repo https://github.com/cuiyiming1998/learning-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cuiyiming1998/learning-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4a7603650c41ede71ef6264c21d4ac3c5de0631e8962a7a2c33429eab0c6593e [INFO] running `Command { std: "docker" "start" "-a" "4a7603650c41ede71ef6264c21d4ac3c5de0631e8962a7a2c33429eab0c6593e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a7603650c41ede71ef6264c21d4ac3c5de0631e8962a7a2c33429eab0c6593e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a7603650c41ede71ef6264c21d4ac3c5de0631e8962a7a2c33429eab0c6593e", kill_on_drop: false }` [INFO] [stdout] 4a7603650c41ede71ef6264c21d4ac3c5de0631e8962a7a2c33429eab0c6593e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8447809c54a3422a4b151a6d206080d37305eebb14523b76950a229c7c75cef5 [INFO] running `Command { std: "docker" "start" "-a" "8447809c54a3422a4b151a6d206080d37305eebb14523b76950a229c7c75cef5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `summarize` is never used [INFO] [stdout] --> src/traits.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Summary { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 2 | fn summarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/traits.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/traits.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/traits.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn largest(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "8447809c54a3422a4b151a6d206080d37305eebb14523b76950a229c7c75cef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8447809c54a3422a4b151a6d206080d37305eebb14523b76950a229c7c75cef5", kill_on_drop: false }` [INFO] [stdout] 8447809c54a3422a4b151a6d206080d37305eebb14523b76950a229c7c75cef5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9346b2dacca281d996ec0a64ee398cfda8d4ecd1d871117688e7b10866565552 [INFO] running `Command { std: "docker" "start" "-a" "9346b2dacca281d996ec0a64ee398cfda8d4ecd1d871117688e7b10866565552", kill_on_drop: false }` [INFO] [stderr] Compiling learning-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `summarize` is never used [INFO] [stdout] --> src/traits.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Summary { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 2 | fn summarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/traits.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/traits.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/traits.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn largest(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "9346b2dacca281d996ec0a64ee398cfda8d4ecd1d871117688e7b10866565552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9346b2dacca281d996ec0a64ee398cfda8d4ecd1d871117688e7b10866565552", kill_on_drop: false }` [INFO] [stdout] 9346b2dacca281d996ec0a64ee398cfda8d4ecd1d871117688e7b10866565552