[INFO] fetching crate bumpalo_try 0.1.0...
[INFO] testing bumpalo_try-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate bumpalo_try 0.1.0 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bumpalo_try 0.1.0 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 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 742d1e3c2b524cb173f5889ee82f4a523949da2ea613bb8160ae9c0444d34a08
[INFO] running `Command { std: "docker" "start" "-a" "742d1e3c2b524cb173f5889ee82f4a523949da2ea613bb8160ae9c0444d34a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "742d1e3c2b524cb173f5889ee82f4a523949da2ea613bb8160ae9c0444d34a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742d1e3c2b524cb173f5889ee82f4a523949da2ea613bb8160ae9c0444d34a08", kill_on_drop: false }`
[INFO] [stdout] 742d1e3c2b524cb173f5889ee82f4a523949da2ea613bb8160ae9c0444d34a08
[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] f99bfea9ba84798ea1c380907fff8d0aca53270beee2f6310895b9585b89a436
[INFO] running `Command { std: "docker" "start" "-a" "f99bfea9ba84798ea1c380907fff8d0aca53270beee2f6310895b9585b89a436", 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "f99bfea9ba84798ea1c380907fff8d0aca53270beee2f6310895b9585b89a436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99bfea9ba84798ea1c380907fff8d0aca53270beee2f6310895b9585b89a436", kill_on_drop: false }`
[INFO] [stdout] f99bfea9ba84798ea1c380907fff8d0aca53270beee2f6310895b9585b89a436
[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] 395d40ea519f0bd842671b79817a755873ebdd1241ac411df3ef495730ab3653
[INFO] running `Command { std: "docker" "start" "-a" "395d40ea519f0bd842671b79817a755873ebdd1241ac411df3ef495730ab3653", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "395d40ea519f0bd842671b79817a755873ebdd1241ac411df3ef495730ab3653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395d40ea519f0bd842671b79817a755873ebdd1241ac411df3ef495730ab3653", kill_on_drop: false }`
[INFO] [stdout] 395d40ea519f0bd842671b79817a755873ebdd1241ac411df3ef495730ab3653
[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] 1e5a059b4181da26bd0a5bfea664356f7b86e99a207bf2041b5eeffb9ed4220e
[INFO] running `Command { std: "docker" "start" "-a" "1e5a059b4181da26bd0a5bfea664356f7b86e99a207bf2041b5eeffb9ed4220e", 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_iter_option (line 115) ... FAILED
[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_result (line 80) ... ok
[INFO] [stdout] test src/lib.rs - BumpaloExtend::alloc_slice_fill_with_result (line 25) ... 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_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_with_option (line 47) ... 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] 7 | 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 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1e5a059b4181da26bd0a5bfea664356f7b86e99a207bf2041b5eeffb9ed4220e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5a059b4181da26bd0a5bfea664356f7b86e99a207bf2041b5eeffb9ed4220e", kill_on_drop: false }`
[INFO] [stdout] 1e5a059b4181da26bd0a5bfea664356f7b86e99a207bf2041b5eeffb9ed4220e