[INFO] cloning repository https://github.com/zmrush/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zmrush/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmrush%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmrush%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ffd6f34d19a736b53c544a72fd3f1f089a4706f [INFO] checking zmrush/rust-learning against master#30840c53f414b753cb08f14620906572f88dda4b for pr-123531 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmrush%2Frust-learning" "/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/zmrush/rust-learning on toolchain 30840c53f414b753cb08f14620906572f88dda4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30840c53f414b753cb08f14620906572f88dda4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zmrush/rust-learning [INFO] finished tweaking git repo https://github.com/zmrush/rust-learning [INFO] tweaked toml for git repo https://github.com/zmrush/rust-learning written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zmrush/rust-learning 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" "+30840c53f414b753cb08f14620906572f88dda4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking zmrush/rust-learning against try#18fb860b8a8e7ca508746882328061d0fe352543 for pr-123531 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmrush%2Frust-learning" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zmrush/rust-learning on toolchain 18fb860b8a8e7ca508746882328061d0fe352543 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zmrush/rust-learning [INFO] finished tweaking git repo https://github.com/zmrush/rust-learning [INFO] tweaked toml for git repo https://github.com/zmrush/rust-learning written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zmrush/rust-learning 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" "+18fb860b8a8e7ca508746882328061d0fe352543" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91a1a899876358dc7f03087119900b933b66cddf1a41ac956e2856b8893548a8 [INFO] running `Command { std: "docker" "start" "-a" "91a1a899876358dc7f03087119900b933b66cddf1a41ac956e2856b8893548a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91a1a899876358dc7f03087119900b933b66cddf1a41ac956e2856b8893548a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91a1a899876358dc7f03087119900b933b66cddf1a41ac956e2856b8893548a8", kill_on_drop: false }` [INFO] [stdout] 91a1a899876358dc7f03087119900b933b66cddf1a41ac956e2856b8893548a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+18fb860b8a8e7ca508746882328061d0fe352543" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77587896a86a17d3556ae1935e992b5b1863a6728947036cf07112d6082e26d2 [INFO] running `Command { std: "docker" "start" "-a" "77587896a86a17d3556ae1935e992b5b1863a6728947036cf07112d6082e26d2", kill_on_drop: false }` [INFO] [stderr] Checking rust-learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> tests/test_trait_lifetime.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let g = G{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0597]: `b` does not live long enough [INFO] [stdout] --> tests/test_trait_lifetime.rs:54:18 [INFO] [stdout] | [INFO] [stdout] 40 | let mut b: Option> = Some(Box::new(XX)); [INFO] [stdout] | ----- binding `b` declared here [INFO] [stdout] ... [INFO] [stdout] 54 | mut_ref: b.as_deref_mut() [INFO] [stdout] | ^ borrowed value does not live long enough [INFO] [stdout] ... [INFO] [stdout] 61 | } [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | `b` dropped here while still borrowed [INFO] [stdout] | borrow might be used here, when `b` is dropped and runs the destructor for type `Option>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0597`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-learning` (test "test_trait_lifetime") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "77587896a86a17d3556ae1935e992b5b1863a6728947036cf07112d6082e26d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77587896a86a17d3556ae1935e992b5b1863a6728947036cf07112d6082e26d2", kill_on_drop: false }` [INFO] [stdout] 77587896a86a17d3556ae1935e992b5b1863a6728947036cf07112d6082e26d2