[INFO] fetching crate pcc 0.3.0... [INFO] testing pcc-0.3.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate pcc 0.3.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate pcc 0.3.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98b3954dcd351470c90a2faf117007ef39e8ef75fb64a5893f138f6ce6739ee0 [INFO] running `Command { std: "docker" "start" "-a" "98b3954dcd351470c90a2faf117007ef39e8ef75fb64a5893f138f6ce6739ee0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98b3954dcd351470c90a2faf117007ef39e8ef75fb64a5893f138f6ce6739ee0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98b3954dcd351470c90a2faf117007ef39e8ef75fb64a5893f138f6ce6739ee0", kill_on_drop: false }` [INFO] [stdout] 98b3954dcd351470c90a2faf117007ef39e8ef75fb64a5893f138f6ce6739ee0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 869420ae3a645078626110259e5a6da5b3f8b9a9f7547ec98eff3f89f7efdba1 [INFO] running `Command { std: "docker" "start" "-a" "869420ae3a645078626110259e5a6da5b3f8b9a9f7547ec98eff3f89f7efdba1", kill_on_drop: false }` [INFO] [stderr] Compiling pcc v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/companion_stack.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | &mut self, [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 221 | constructor: C, [INFO] [stdout] 222 | ) -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 222 | ) -> Result, Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/companion_stack.rs:276:9 [INFO] [stdout] | [INFO] [stdout] 276 | &mut self, [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 279 | ) -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 279 | ) -> Result, Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type 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" "869420ae3a645078626110259e5a6da5b3f8b9a9f7547ec98eff3f89f7efdba1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "869420ae3a645078626110259e5a6da5b3f8b9a9f7547ec98eff3f89f7efdba1", kill_on_drop: false }` [INFO] [stdout] 869420ae3a645078626110259e5a6da5b3f8b9a9f7547ec98eff3f89f7efdba1