[INFO] fetching crate rcrefcell 1.0.7... [INFO] testing rcrefcell-1.0.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate rcrefcell 1.0.7 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rcrefcell 1.0.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4f4ace661207328910bc6729432b9814095c83f4c5e9cc91d02c985c4589e48 [INFO] running `Command { std: "docker" "start" "-a" "b4f4ace661207328910bc6729432b9814095c83f4c5e9cc91d02c985c4589e48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4f4ace661207328910bc6729432b9814095c83f4c5e9cc91d02c985c4589e48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4f4ace661207328910bc6729432b9814095c83f4c5e9cc91d02c985c4589e48", kill_on_drop: false }` [INFO] [stdout] b4f4ace661207328910bc6729432b9814095c83f4c5e9cc91d02c985c4589e48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2667f692519a8e980a8962e045372de20b346219fe47bd54d4b8c096e3106012 [INFO] running `Command { std: "docker" "start" "-a" "2667f692519a8e980a8962e045372de20b346219fe47bd54d4b8c096e3106012", kill_on_drop: false }` [INFO] [stderr] Compiling rcrefcell v1.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow(&self) -> Ref { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow(&self) -> Ref<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:36:21 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn borrow_mut(&self) -> RefMut { [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] 36 | pub fn borrow_mut(&self) -> RefMut<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "2667f692519a8e980a8962e045372de20b346219fe47bd54d4b8c096e3106012", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2667f692519a8e980a8962e045372de20b346219fe47bd54d4b8c096e3106012", kill_on_drop: false }` [INFO] [stdout] 2667f692519a8e980a8962e045372de20b346219fe47bd54d4b8c096e3106012 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78dc70ae3ae508dd0305d3cedf0b94ac736a2c7b909b25bf80c010688059a074 [INFO] running `Command { std: "docker" "start" "-a" "78dc70ae3ae508dd0305d3cedf0b94ac736a2c7b909b25bf80c010688059a074", kill_on_drop: false }` [INFO] [stderr] Compiling rcrefcell v1.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow(&self) -> Ref { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow(&self) -> Ref<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:36:21 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn borrow_mut(&self) -> RefMut { [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] 36 | pub fn borrow_mut(&self) -> RefMut<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:32:17 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow(&self) -> Ref { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow(&self) -> Ref<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:36:21 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn borrow_mut(&self) -> RefMut { [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] 36 | pub fn borrow_mut(&self) -> RefMut<'_, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "78dc70ae3ae508dd0305d3cedf0b94ac736a2c7b909b25bf80c010688059a074", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78dc70ae3ae508dd0305d3cedf0b94ac736a2c7b909b25bf80c010688059a074", kill_on_drop: false }` [INFO] [stdout] 78dc70ae3ae508dd0305d3cedf0b94ac736a2c7b909b25bf80c010688059a074 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2a4f3fb62471cceec1f8e618ad983cc55f89e51d903fe60e28b18e20863bece4 [INFO] running `Command { std: "docker" "start" "-a" "2a4f3fb62471cceec1f8e618ad983cc55f89e51d903fe60e28b18e20863bece4", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:32:17 [INFO] [stdout] running 3 tests [INFO] [stderr] | [INFO] [stdout] test tests::example ... ok [INFO] [stderr] 32 | pub fn borrow(&self) -> Ref { [INFO] [stdout] test tests::multiple_writers ... ok [INFO] [stderr] | ^^^^^ ------ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 32 | pub fn borrow(&self) -> Ref<'_, A> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:36:21 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stderr] | ^^^^^ --------- the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 36 | pub fn borrow_mut(&self) -> RefMut<'_, A> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `rcrefcell` (lib) generated 2 warnings (run `cargo fix --lib -p rcrefcell` to apply 2 suggestions) [INFO] [stderr] warning: `rcrefcell` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcrefcell-1af0aac3257eeeea) [INFO] [stderr] Doc-tests rcrefcell [INFO] [stdout] test tests::multiple_readers ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2a4f3fb62471cceec1f8e618ad983cc55f89e51d903fe60e28b18e20863bece4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a4f3fb62471cceec1f8e618ad983cc55f89e51d903fe60e28b18e20863bece4", kill_on_drop: false }` [INFO] [stdout] 2a4f3fb62471cceec1f8e618ad983cc55f89e51d903fe60e28b18e20863bece4