[INFO] fetching crate const_power_of_two 1.0.0...
[INFO] testing const_power_of_two-1.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate const_power_of_two 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate const_power_of_two 1.0.0
[INFO] finished tweaking crates.io crate const_power_of_two 1.0.0
[INFO] tweaked toml for crates.io crate const_power_of_two 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate const_power_of_two 1.0.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 5 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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3ca2e742a0a4557ca723862bb9a940899f9602ed32e8ca5994e61a0ab0bce27
[INFO] running `Command { std: "docker" "start" "-a" "f3ca2e742a0a4557ca723862bb9a940899f9602ed32e8ca5994e61a0ab0bce27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3ca2e742a0a4557ca723862bb9a940899f9602ed32e8ca5994e61a0ab0bce27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ca2e742a0a4557ca723862bb9a940899f9602ed32e8ca5994e61a0ab0bce27", kill_on_drop: false }`
[INFO] [stdout] f3ca2e742a0a4557ca723862bb9a940899f9602ed32e8ca5994e61a0ab0bce27
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01d4d43637bc8611169cb32317002372fb8010a551299b1173adaa603c3723ae
[INFO] running `Command { std: "docker" "start" "-a" "01d4d43637bc8611169cb32317002372fb8010a551299b1173adaa603c3723ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling const_power_of_two v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> build.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn implementations(&self) -> impl Iterator<Item = Implementation> + '_ {
[INFO] [stdout]     |                        ^^^^^                          ^^^^^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                              |
[INFO] [stdout]     |                        |                              the same lifetime is hidden here
[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] 152 |     fn implementations(&self) -> impl Iterator<Item = Implementation<'_>> + '_ {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "01d4d43637bc8611169cb32317002372fb8010a551299b1173adaa603c3723ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d4d43637bc8611169cb32317002372fb8010a551299b1173adaa603c3723ae", kill_on_drop: false }`
[INFO] [stdout] 01d4d43637bc8611169cb32317002372fb8010a551299b1173adaa603c3723ae
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77d5e2d85b530d2815d1444f597165b946afe2a7530c458b552db90228dd78a5
[INFO] running `Command { std: "docker" "start" "-a" "77d5e2d85b530d2815d1444f597165b946afe2a7530c458b552db90228dd78a5", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> build.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn implementations(&self) -> impl Iterator<Item = Implementation> + '_ {
[INFO] [stdout]     |                        ^^^^^                          ^^^^^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                              |
[INFO] [stdout]     |                        |                              the same lifetime is hidden here
[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] 152 |     fn implementations(&self) -> impl Iterator<Item = Implementation<'_>> + '_ {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling const_power_of_two v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "77d5e2d85b530d2815d1444f597165b946afe2a7530c458b552db90228dd78a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d5e2d85b530d2815d1444f597165b946afe2a7530c458b552db90228dd78a5", kill_on_drop: false }`
[INFO] [stdout] 77d5e2d85b530d2815d1444f597165b946afe2a7530c458b552db90228dd78a5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 632e313d06a79b8e033eac1d157e34dcfe67311849e98cf81f8588138c8b9ffc
[INFO] running `Command { std: "docker" "start" "-a" "632e313d06a79b8e033eac1d157e34dcfe67311849e98cf81f8588138c8b9ffc", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> build.rs:152:24
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn implementations(&self) -> impl Iterator<Item = Implementation> + '_ {
[INFO] [stderr]     |                        ^^^^^                          ^^^^^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stderr]     |                        |                              |
[INFO] [stderr]     |                        |                              the same lifetime is hidden here
[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] 152 |     fn implementations(&self) -> impl Iterator<Item = Implementation<'_>> + '_ {
[INFO] [stderr]     |                                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `const_power_of_two` (build script) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/const_power_of_two-0e6ee849e0591934)
[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]    Doc-tests const_power_of_two
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU16 (line 63) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU8 (line 22) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoUsize (line 435) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU128 (line 274) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU64 (line 177) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU8 (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU64 (line 163) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU32 (line 112) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU32 (line 98) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU128 (line 260) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoU16 (line 49) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-1e97809c68dc59e5/out/generated.rs - PowerOfTwoUsize (line 421) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "632e313d06a79b8e033eac1d157e34dcfe67311849e98cf81f8588138c8b9ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632e313d06a79b8e033eac1d157e34dcfe67311849e98cf81f8588138c8b9ffc", kill_on_drop: false }`
[INFO] [stdout] 632e313d06a79b8e033eac1d157e34dcfe67311849e98cf81f8588138c8b9ffc