[INFO] cloning repository https://github.com/cangSDARM/rust-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cangSDARM/rust-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcangSDARM%2Frust-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcangSDARM%2Frust-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1603ff5fc4301c2c4d0188a89f2f60688d51c722 [INFO] testing cangSDARM/rust-scratch against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcangSDARM%2Frust-scratch" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cangSDARM/rust-scratch on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cangSDARM/rust-scratch [INFO] finished tweaking git repo https://github.com/cangSDARM/rust-scratch [INFO] tweaked toml for git repo https://github.com/cangSDARM/rust-scratch written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cangSDARM/rust-scratch 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef1e40d1f5e972d7ba35b6361e702373440c733cadad7af7c0444930959171cd [INFO] running `Command { std: "docker" "start" "-a" "ef1e40d1f5e972d7ba35b6361e702373440c733cadad7af7c0444930959171cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef1e40d1f5e972d7ba35b6361e702373440c733cadad7af7c0444930959171cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef1e40d1f5e972d7ba35b6361e702373440c733cadad7af7c0444930959171cd", kill_on_drop: false }` [INFO] [stdout] ef1e40d1f5e972d7ba35b6361e702373440c733cadad7af7c0444930959171cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c17f752463c81f8a3d8b05531162424a3b5d98a95aafcb82d88890aca9a818d [INFO] running `Command { std: "docker" "start" "-a" "2c17f752463c81f8a3d8b05531162424a3b5d98a95aafcb82d88890aca9a818d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rust-scratch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `derive` [INFO] [stdout] --> src/traits.rs:125:7 [INFO] [stdout] | [INFO] [stdout] 125 | #[cfg(feature = "derive")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `derive` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_coordinates` is never used [INFO] [stdout] --> src/main.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn print_coordinates(&(x, y): &(i32, i32)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Add` is never used [INFO] [stdout] --> src/generics.rs:67:7 [INFO] [stdout] | [INFO] [stdout] 67 | trait Add { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/generics.rs:72:20 [INFO] [stdout] | [INFO] [stdout] 72 | struct Millimeters(u32); [INFO] [stdout] | ----------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Meters` is never constructed [INFO] [stdout] --> src/generics.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | struct Meters(u32); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `summarize` and `summary` are never used [INFO] [stdout] --> src/traits.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait Summary { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 9 | /// 方法签名, 必须实现的方法 [INFO] [stdout] 10 | fn summarize(&self) -> String; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn summary(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `News` is never constructed [INFO] [stdout] --> src/traits.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct News { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tweet` is never constructed [INFO] [stdout] --> src/traits.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct Tweet { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Wrapper` is never constructed [INFO] [stdout] --> src/traits.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct Wrapper(Vec); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `OutlinePrint` is never used [INFO] [stdout] --> src/traits.rs:133:7 [INFO] [stdout] | [INFO] [stdout] 133 | trait OutlinePrint: Display { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `next` is never used [INFO] [stdout] --> src/traits.rs:146:6 [INFO] [stdout] | [INFO] [stdout] 143 | pub trait AssociatedTypes { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 146 | fn next(&mut self) -> Option; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lifecricle.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | format!("{}", another); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s [INFO] running `Command { std: "docker" "inspect" "2c17f752463c81f8a3d8b05531162424a3b5d98a95aafcb82d88890aca9a818d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c17f752463c81f8a3d8b05531162424a3b5d98a95aafcb82d88890aca9a818d", kill_on_drop: false }` [INFO] [stdout] 2c17f752463c81f8a3d8b05531162424a3b5d98a95aafcb82d88890aca9a818d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2c497aa633f4e9cd46181cec6a60592508ec8fdb3df6e44d6bb470cbe60d9de [INFO] running `Command { std: "docker" "start" "-a" "e2c497aa633f4e9cd46181cec6a60592508ec8fdb3df6e44d6bb470cbe60d9de", kill_on_drop: false }` [INFO] [stderr] Compiling rust-scratch v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/rust-scratch-847d47cd6ea57844/invoked.timestamp` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] running `Command { std: "docker" "inspect" "e2c497aa633f4e9cd46181cec6a60592508ec8fdb3df6e44d6bb470cbe60d9de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2c497aa633f4e9cd46181cec6a60592508ec8fdb3df6e44d6bb470cbe60d9de", kill_on_drop: false }` [INFO] [stdout] e2c497aa633f4e9cd46181cec6a60592508ec8fdb3df6e44d6bb470cbe60d9de