[INFO] fetching crate pcc 0.3.0... [INFO] testing pcc-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate pcc 0.3.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate pcc 0.3.0 [INFO] finished tweaking crates.io crate pcc 0.3.0 [INFO] tweaked toml for crates.io crate pcc 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate pcc 0.3.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate pcc 0.3.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad0c2e161d2eb4536789b124234b7ee84a88de152b9c2177752b054538fca8e2 [INFO] running `Command { std: "docker" "start" "-a" "ad0c2e161d2eb4536789b124234b7ee84a88de152b9c2177752b054538fca8e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad0c2e161d2eb4536789b124234b7ee84a88de152b9c2177752b054538fca8e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad0c2e161d2eb4536789b124234b7ee84a88de152b9c2177752b054538fca8e2", kill_on_drop: false }` [INFO] [stdout] ad0c2e161d2eb4536789b124234b7ee84a88de152b9c2177752b054538fca8e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 5a8afcb816c0cacabf4cdb25b036a83b3ad29ac5977c1379aca16de936865e1b [INFO] running `Command { std: "docker" "start" "-a" "5a8afcb816c0cacabf4cdb25b036a83b3ad29ac5977c1379aca16de936865e1b", kill_on_drop: false }` [INFO] [stderr] Compiling pcc v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/companion_stack.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] 221 | constructor: C, [INFO] [stdout] 222 | ) -> Result, Error> { [INFO] [stdout] | --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | warnings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 222 | ) -> Result, Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/companion_stack.rs:276:9 [INFO] [stdout] | [INFO] [stdout] 276 | &mut self, [INFO] [stdout] | ^^^^^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 279 | ) -> Result, Error> { [INFO] [stdout] | ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 279 | ) -> Result, Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/companion_stack.rs:332:33 [INFO] [stdout] | [INFO] [stdout] 332 | pub fn push_slice(&mut self, slice: &[T]) -> Option> { [INFO] [stdout] | ^^^^^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 332 | pub fn push_slice(&mut self, slice: &[T]) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pcc` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "5a8afcb816c0cacabf4cdb25b036a83b3ad29ac5977c1379aca16de936865e1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a8afcb816c0cacabf4cdb25b036a83b3ad29ac5977c1379aca16de936865e1b", kill_on_drop: false }` [INFO] [stdout] 5a8afcb816c0cacabf4cdb25b036a83b3ad29ac5977c1379aca16de936865e1b