[INFO] fetching crate soak 0.2.0... [INFO] testing soak-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate soak 0.2.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate soak 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate soak 0.2.0 [INFO] finished tweaking crates.io crate soak 0.2.0 [INFO] tweaked toml for crates.io crate soak 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ee1c0f0044afb7802b454168c116b15dbf8f13477a0acbf9f86a8fb31f78919 [INFO] running `Command { std: "docker" "start" "-a" "7ee1c0f0044afb7802b454168c116b15dbf8f13477a0acbf9f86a8fb31f78919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ee1c0f0044afb7802b454168c116b15dbf8f13477a0acbf9f86a8fb31f78919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ee1c0f0044afb7802b454168c116b15dbf8f13477a0acbf9f86a8fb31f78919", kill_on_drop: false }` [INFO] [stdout] 7ee1c0f0044afb7802b454168c116b15dbf8f13477a0acbf9f86a8fb31f78919 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c222814196e39e3e527557c74c07e1f33f66a8345576ba71e25cca120cad4446 [INFO] running `Command { std: "docker" "start" "-a" "c222814196e39e3e527557c74c07e1f33f66a8345576ba71e25cca120cad4446", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling dioptre-derive v0.1.0 [INFO] [stderr] Compiling soak-derive v0.2.0 [INFO] [stderr] Compiling dioptre v0.1.0 [INFO] [stderr] Compiling soak v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | mem::replace(self, table); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.91s [INFO] running `Command { std: "docker" "inspect" "c222814196e39e3e527557c74c07e1f33f66a8345576ba71e25cca120cad4446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c222814196e39e3e527557c74c07e1f33f66a8345576ba71e25cca120cad4446", kill_on_drop: false }` [INFO] [stdout] c222814196e39e3e527557c74c07e1f33f66a8345576ba71e25cca120cad4446 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68fd7c69fdee8af2b817beb410e0f139c10812a2def283b95a4937463bf4b4c6 [INFO] running `Command { std: "docker" "start" "-a" "68fd7c69fdee8af2b817beb410e0f139c10812a2def283b95a4937463bf4b4c6", kill_on_drop: false }` [INFO] [stderr] Compiling soak v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | mem::replace(self, table); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | mem::replace(self, table); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "68fd7c69fdee8af2b817beb410e0f139c10812a2def283b95a4937463bf4b4c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68fd7c69fdee8af2b817beb410e0f139c10812a2def283b95a4937463bf4b4c6", kill_on_drop: false }` [INFO] [stdout] 68fd7c69fdee8af2b817beb410e0f139c10812a2def283b95a4937463bf4b4c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fe5b3c569e3ba96f7d9436141a852c9232fc6f7a91d60ae1bd9f8a8f77109503 [INFO] running `Command { std: "docker" "start" "-a" "fe5b3c569e3ba96f7d9436141a852c9232fc6f7a91d60ae1bd9f8a8f77109503", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | mem::replace(self, table); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | mem::replace(self, table); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/soak-8eba4f8ab1a753b1) [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] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-7fe6c5c8ad79ad81) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test layout ... 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] Doc-tests soak [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 23) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fe5b3c569e3ba96f7d9436141a852c9232fc6f7a91d60ae1bd9f8a8f77109503", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe5b3c569e3ba96f7d9436141a852c9232fc6f7a91d60ae1bd9f8a8f77109503", kill_on_drop: false }` [INFO] [stdout] fe5b3c569e3ba96f7d9436141a852c9232fc6f7a91d60ae1bd9f8a8f77109503