[INFO] fetching crate const_power_of_two 1.0.0...
[INFO] testing const_power_of_two-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate const_power_of_two 1.0.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate const_power_of_two 1.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60ebe09ab156d753a8ac7941175b8d1ff371173c12bfd045404b21bf5193b5c1
[INFO] running `Command { std: "docker" "start" "-a" "60ebe09ab156d753a8ac7941175b8d1ff371173c12bfd045404b21bf5193b5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60ebe09ab156d753a8ac7941175b8d1ff371173c12bfd045404b21bf5193b5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ebe09ab156d753a8ac7941175b8d1ff371173c12bfd045404b21bf5193b5c1", kill_on_drop: false }`
[INFO] [stdout] 60ebe09ab156d753a8ac7941175b8d1ff371173c12bfd045404b21bf5193b5c1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13031e055487f000078fbf77a028f720464220fe7c444933df66fa5bd2f5c050
[INFO] running `Command { std: "docker" "start" "-a" "13031e055487f000078fbf77a028f720464220fe7c444933df66fa5bd2f5c050", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling prettyplease v0.2.37
[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 4.44s
[INFO] running `Command { std: "docker" "inspect" "13031e055487f000078fbf77a028f720464220fe7c444933df66fa5bd2f5c050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13031e055487f000078fbf77a028f720464220fe7c444933df66fa5bd2f5c050", kill_on_drop: false }`
[INFO] [stdout] 13031e055487f000078fbf77a028f720464220fe7c444933df66fa5bd2f5c050
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e717fae5a0e8477960c3170b7a658558b4a44fc69ec60373899be96a39f1b07
[INFO] running `Command { std: "docker" "start" "-a" "6e717fae5a0e8477960c3170b7a658558b4a44fc69ec60373899be96a39f1b07", kill_on_drop: false }`
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "6e717fae5a0e8477960c3170b7a658558b4a44fc69ec60373899be96a39f1b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e717fae5a0e8477960c3170b7a658558b4a44fc69ec60373899be96a39f1b07", kill_on_drop: false }`
[INFO] [stdout] 6e717fae5a0e8477960c3170b7a658558b4a44fc69ec60373899be96a39f1b07
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae58b3c05346011f90877b03f8afc3a47b786d268691e715cea487cebf299cf4
[INFO] running `Command { std: "docker" "start" "-a" "ae58b3c05346011f90877b03f8afc3a47b786d268691e715cea487cebf299cf4", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]    --> build.rs:152:24
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 152 |     fn implementations(&self) -> impl Iterator<Item = Implementation> + '_ {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                        ^^^^^                          ^^^^^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout] 
[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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/const_power_of_two-cd7862af9e12e690)
[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-244fed4b43efcad0/out/generated.rs - PowerOfTwoU16 (line 63) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU64 (line 177) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoUsize (line 435) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU32 (line 112) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU8 (line 22) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU8 (line 8) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU128 (line 274) - compile fail ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU128 (line 260) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU64 (line 163) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU32 (line 98) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/out/generated.rs - PowerOfTwoU16 (line 49) ... ok
[INFO] [stdout] test /opt/rustwide/target/debug/build/const_power_of_two-244fed4b43efcad0/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 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae58b3c05346011f90877b03f8afc3a47b786d268691e715cea487cebf299cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae58b3c05346011f90877b03f8afc3a47b786d268691e715cea487cebf299cf4", kill_on_drop: false }`
[INFO] [stdout] ae58b3c05346011f90877b03f8afc3a47b786d268691e715cea487cebf299cf4