[INFO] fetching crate log-once 0.4.1... [INFO] testing log-once-0.4.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate log-once 0.4.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate log-once 0.4.1 [INFO] finished tweaking crates.io crate log-once 0.4.1 [INFO] tweaked toml for crates.io crate log-once 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate log-once 0.4.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54591f80cb9de7853039377a2b5855b2656a7d209545f85cd04df039d391892e [INFO] running `Command { std: "docker" "start" "-a" "54591f80cb9de7853039377a2b5855b2656a7d209545f85cd04df039d391892e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54591f80cb9de7853039377a2b5855b2656a7d209545f85cd04df039d391892e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54591f80cb9de7853039377a2b5855b2656a7d209545f85cd04df039d391892e", kill_on_drop: false }` [INFO] [stdout] 54591f80cb9de7853039377a2b5855b2656a7d209545f85cd04df039d391892e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc15f8e5a56a9376c5d142686d4076ee9099e18a08dfacbe933972dddb195827 [INFO] running `Command { std: "docker" "start" "-a" "fc15f8e5a56a9376c5d142686d4076ee9099e18a08dfacbe933972dddb195827", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling log-once v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 78 | ) -> Result>, PoisonError>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 78 | ) -> Result>, PoisonError>>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "fc15f8e5a56a9376c5d142686d4076ee9099e18a08dfacbe933972dddb195827", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc15f8e5a56a9376c5d142686d4076ee9099e18a08dfacbe933972dddb195827", kill_on_drop: false }` [INFO] [stdout] fc15f8e5a56a9376c5d142686d4076ee9099e18a08dfacbe933972dddb195827 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ccc212ab33e61cb0f4657f7a49235282ffb054ebda3885f78d2d1f7fc8050b6 [INFO] running `Command { std: "docker" "start" "-a" "6ccc212ab33e61cb0f4657f7a49235282ffb054ebda3885f78d2d1f7fc8050b6", kill_on_drop: false }` [INFO] [stderr] Compiling log-once v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 78 | ) -> Result>, PoisonError>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 78 | ) -> Result>, PoisonError>>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 78 | ) -> Result>, PoisonError>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [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: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 78 | ) -> Result>, PoisonError>>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "6ccc212ab33e61cb0f4657f7a49235282ffb054ebda3885f78d2d1f7fc8050b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ccc212ab33e61cb0f4657f7a49235282ffb054ebda3885f78d2d1f7fc8050b6", kill_on_drop: false }` [INFO] [stdout] 6ccc212ab33e61cb0f4657f7a49235282ffb054ebda3885f78d2d1f7fc8050b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fbbb32cfa5b1e0d5bb54a797a573803d3e8f7660ac236a5af1b9880c9a334d4e [INFO] running `Command { std: "docker" "start" "-a" "fbbb32cfa5b1e0d5bb54a797a573803d3e8f7660ac236a5af1b9880c9a334d4e", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | &self, [INFO] [stderr] | ^^^^^ the lifetime is elided here [INFO] [stderr] 78 | ) -> Result>, PoisonError>>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the same lifetime is hidden 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] 78 | ) -> Result>, PoisonError>>> { [INFO] [stderr] | +++ +++ [INFO] [stderr] [INFO] [stderr] warning: `log-once` (lib) generated 1 warning (run `cargo fix --lib -p log-once` to apply 1 suggestion) [INFO] [stderr] warning: `log-once` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/log_once-685b77b519157afc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::called_once ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/captured-identifiers-format-strings.rs (/opt/rustwide/target/debug/deps/captured_identifiers_format_strings-1ac023724c993207) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test info ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/debug.rs (/opt/rustwide/target/debug/deps/debug-69dd308311886d48) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test debug ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/error.rs (/opt/rustwide/target/debug/deps/error-956ee2b11c767ab2) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test error ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/info.rs (/opt/rustwide/target/debug/deps/info-fb116ba5ccdb2b56) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test info ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/trace.rs (/opt/rustwide/target/debug/deps/trace-c107f303fa138dcc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test trace ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/warn.rs (/opt/rustwide/target/debug/deps/warn-e78275611d6fd981) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test warn ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests log_once [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 20) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fbbb32cfa5b1e0d5bb54a797a573803d3e8f7660ac236a5af1b9880c9a334d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbbb32cfa5b1e0d5bb54a797a573803d3e8f7660ac236a5af1b9880c9a334d4e", kill_on_drop: false }` [INFO] [stdout] fbbb32cfa5b1e0d5bb54a797a573803d3e8f7660ac236a5af1b9880c9a334d4e