[INFO] fetching crate rcrefcell 1.0.7...
[INFO] checking rcrefcell-1.0.7 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rcrefcell 1.0.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rcrefcell 1.0.7
[INFO] finished tweaking crates.io crate rcrefcell 1.0.7
[INFO] tweaked toml for crates.io crate rcrefcell 1.0.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcrefcell 1.0.7 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60a5160d091962bab0e47d01a2dee7cd6f3cdab64149d75be6b6f9bbf02fda84
[INFO] running `Command { std: "docker" "start" "-a" "60a5160d091962bab0e47d01a2dee7cd6f3cdab64149d75be6b6f9bbf02fda84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60a5160d091962bab0e47d01a2dee7cd6f3cdab64149d75be6b6f9bbf02fda84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a5160d091962bab0e47d01a2dee7cd6f3cdab64149d75be6b6f9bbf02fda84", kill_on_drop: false }`
[INFO] [stdout] 60a5160d091962bab0e47d01a2dee7cd6f3cdab64149d75be6b6f9bbf02fda84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2215a1b730cf99edad9f115a59e927e6bce3109b8dde95ce0c9ed2fdee0d3c
[INFO] running `Command { std: "docker" "start" "-a" "ff2215a1b730cf99edad9f115a59e927e6bce3109b8dde95ce0c9ed2fdee0d3c", kill_on_drop: false }`
[INFO] [stderr] Checking rcrefcell v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] --> src/lib.rs:32:17
[INFO] [stdout] |
[INFO] [stdout] 32 | pub fn borrow(&self) -> Ref {
[INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_`
[INFO] [stdout] | |
[INFO] [stdout] | this lifetime flows to the output
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout] |
[INFO] [stdout] 32 | pub fn borrow(&self) -> Ref<'_, A> {
[INFO] [stdout] | +++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] --> src/lib.rs:36:21
[INFO] [stdout] |
[INFO] [stdout] 36 | pub fn borrow_mut(&self) -> RefMut {
[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] 36 | pub fn borrow_mut(&self) -> RefMut<'_, A> {
[INFO] [stdout] | +++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] --> src/lib.rs:32:17
[INFO] [stdout] |
[INFO] [stdout] 32 | pub fn borrow(&self) -> Ref {
[INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_`
[INFO] [stdout] | |
[INFO] [stdout] | this lifetime flows to the output
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout] |
[INFO] [stdout] 32 | pub fn borrow(&self) -> Ref<'_, A> {
[INFO] [stdout] | +++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout] --> src/lib.rs:36:21
[INFO] [stdout] |
[INFO] [stdout] 36 | pub fn borrow_mut(&self) -> RefMut {
[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] 36 | pub fn borrow_mut(&self) -> RefMut<'_, A> {
[INFO] [stdout] | +++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "ff2215a1b730cf99edad9f115a59e927e6bce3109b8dde95ce0c9ed2fdee0d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2215a1b730cf99edad9f115a59e927e6bce3109b8dde95ce0c9ed2fdee0d3c", kill_on_drop: false }`
[INFO] [stdout] ff2215a1b730cf99edad9f115a59e927e6bce3109b8dde95ce0c9ed2fdee0d3c