[INFO] fetching crate galvanize 0.0.1... [INFO] checking galvanize-0.0.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] extracting crate galvanize 0.0.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate galvanize 0.0.1 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate galvanize 0.0.1 [INFO] finished tweaking crates.io crate galvanize 0.0.1 [INFO] tweaked toml for crates.io crate galvanize 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-serialize v0.3.25 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b836214bf1dcf46c2aa360ca736e69ed3d5553ac608f8f7167e7c6e2a1d97fa [INFO] running `Command { std: "docker" "start" "-a" "5b836214bf1dcf46c2aa360ca736e69ed3d5553ac608f8f7167e7c6e2a1d97fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b836214bf1dcf46c2aa360ca736e69ed3d5553ac608f8f7167e7c6e2a1d97fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b836214bf1dcf46c2aa360ca736e69ed3d5553ac608f8f7167e7c6e2a1d97fa", kill_on_drop: false }` [INFO] [stdout] 5b836214bf1dcf46c2aa360ca736e69ed3d5553ac608f8f7167e7c6e2a1d97fa [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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a0e34c00d31a57182b0a7fe0b12260b055ff1ab280c2a0475aa02da7b5c6f4f [INFO] running `Command { std: "docker" "start" "-a" "0a0e34c00d31a57182b0a7fe0b12260b055ff1ab280c2a0475aa02da7b5c6f4f", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking galvanize v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs [INFO] [stdout] --> src/writer.rs:121:21 [INFO] [stdout] | [INFO] [stdout] 47 | impl<'a, F: Write + Read + Seek + 'a> Writer<'a, F> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 121 | Reader::new(self.file) [INFO] [stdout] | ------------^^^^^^^^^- returning this value requires that `*self.file` is borrowed for `'a` [INFO] [stdout] 122 | } [INFO] [stdout] | - here, drop of `self` needs exclusive access to `*self.file`, because the type `Writer<'_, F>` implements the `Drop` trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0713`. [INFO] [stdout] [INFO] [stderr] error: could not compile `galvanize` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs [INFO] [stdout] --> src/writer.rs:121:21 [INFO] [stdout] | [INFO] [stdout] 47 | impl<'a, F: Write + Read + Seek + 'a> Writer<'a, F> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] ... [INFO] [stdout] 121 | Reader::new(self.file) [INFO] [stdout] | ------------^^^^^^^^^- returning this value requires that `*self.file` is borrowed for `'a` [INFO] [stdout] 122 | } [INFO] [stdout] | - here, drop of `self` needs exclusive access to `*self.file`, because the type `Writer<'_, F>` implements the `Drop` trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0713`. [INFO] [stdout] [INFO] [stderr] error: could not compile `galvanize` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0a0e34c00d31a57182b0a7fe0b12260b055ff1ab280c2a0475aa02da7b5c6f4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a0e34c00d31a57182b0a7fe0b12260b055ff1ab280c2a0475aa02da7b5c6f4f", kill_on_drop: false }` [INFO] [stdout] 0a0e34c00d31a57182b0a7fe0b12260b055ff1ab280c2a0475aa02da7b5c6f4f