[INFO] fetching crate bumpalo_try 0.1.0...
[INFO] testing bumpalo_try-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate bumpalo_try 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate bumpalo_try 0.1.0
[INFO] finished tweaking crates.io crate bumpalo_try 0.1.0
[INFO] tweaked toml for crates.io crate bumpalo_try 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bumpalo_try 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc630de95209d22c957918147613b05d71e9020b069be5a3eca728807c05582f
[INFO] running `Command { std: "docker" "start" "-a" "cc630de95209d22c957918147613b05d71e9020b069be5a3eca728807c05582f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc630de95209d22c957918147613b05d71e9020b069be5a3eca728807c05582f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc630de95209d22c957918147613b05d71e9020b069be5a3eca728807c05582f", kill_on_drop: false }`
[INFO] [stdout] cc630de95209d22c957918147613b05d71e9020b069be5a3eca728807c05582f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a238a01cc9b10d3b7985fddeb1ab1990d269fc8b080e87fef24e90ad2d39d4
[INFO] running `Command { std: "docker" "start" "-a" "a2a238a01cc9b10d3b7985fddeb1ab1990d269fc8b080e87fef24e90ad2d39d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling bumpalo_try v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a2a238a01cc9b10d3b7985fddeb1ab1990d269fc8b080e87fef24e90ad2d39d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a238a01cc9b10d3b7985fddeb1ab1990d269fc8b080e87fef24e90ad2d39d4", kill_on_drop: false }`
[INFO] [stdout] a2a238a01cc9b10d3b7985fddeb1ab1990d269fc8b080e87fef24e90ad2d39d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa94414495c31994e440f8beedb96567ec1c93a9a12a2c8714b525255511c3db
[INFO] running `Command { std: "docker" "start" "-a" "fa94414495c31994e440f8beedb96567ec1c93a9a12a2c8714b525255511c3db", kill_on_drop: false }`
[INFO] [stderr]    Compiling bumpalo_try v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "fa94414495c31994e440f8beedb96567ec1c93a9a12a2c8714b525255511c3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa94414495c31994e440f8beedb96567ec1c93a9a12a2c8714b525255511c3db", kill_on_drop: false }`
[INFO] [stdout] fa94414495c31994e440f8beedb96567ec1c93a9a12a2c8714b525255511c3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eef57935f80b933578a6804e58bd4dd6be825ab94e36e5989674fc79aa6c2abd
[INFO] running `Command { std: "docker" "start" "-a" "eef57935f80b933578a6804e58bd4dd6be825ab94e36e5989674fc79aa6c2abd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bumpalo_try-d015b090f85bd0f9)
[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 bumpalo_try
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_with_option (line 47) ... ok
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_with_result (line 18) ... ok
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_iter_option (line 115) ... FAILED
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_with_option (line 54) ... ok
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_iter_option (line 122) ... ok
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_iter_result (line 87) ... ok
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_iter_result (line 80) ... ok
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_with_result (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - BumpaloExtend::alloc_slice_fill_iter_option (line 115) stdout ----
[INFO] [stdout] error[E0689]: can't call method `checked_pow` on ambiguous numeric type `{integer}`
[INFO] [stdout]    --> src/lib.rs:119:99
[INFO] [stdout]     |
[INFO] [stdout] 119 | let x: Option<&mut [i32]> = bump.alloc_slice_fill_iter_option([2, 3, 5].iter().cloned().map(|i| i.checked_pow(2)));
[INFO] [stdout]     |                                                                                              -    ^^^^^^^^^^^
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              you must specify a type for this binding, like `i32`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0689`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - BumpaloExtend::alloc_slice_fill_iter_option (line 115)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "eef57935f80b933578a6804e58bd4dd6be825ab94e36e5989674fc79aa6c2abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef57935f80b933578a6804e58bd4dd6be825ab94e36e5989674fc79aa6c2abd", kill_on_drop: false }`
[INFO] [stdout] eef57935f80b933578a6804e58bd4dd6be825ab94e36e5989674fc79aa6c2abd