[INFO] fetching crate reusing-vec 0.2.0...
[INFO] testing reusing-vec-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate reusing-vec 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate reusing-vec 0.2.0
[INFO] finished tweaking crates.io crate reusing-vec 0.2.0
[INFO] tweaked toml for crates.io crate reusing-vec 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reusing-vec 0.2.0 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] crate crates.io crate reusing-vec 0.2.0 already has a lockfile, it will not be regenerated
[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] 8b609c3adf07a9a49c4b65f00746d49c53a770ad83d4af3d339a5c5d08afc362
[INFO] running `Command { std: "docker" "start" "-a" "8b609c3adf07a9a49c4b65f00746d49c53a770ad83d4af3d339a5c5d08afc362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b609c3adf07a9a49c4b65f00746d49c53a770ad83d4af3d339a5c5d08afc362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b609c3adf07a9a49c4b65f00746d49c53a770ad83d4af3d339a5c5d08afc362", kill_on_drop: false }`
[INFO] [stdout] 8b609c3adf07a9a49c4b65f00746d49c53a770ad83d4af3d339a5c5d08afc362
[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] 6582df2fe8d062cc799891413c929ef2a5179e5e9c0d3c8efe2d0a15e19b65d6
[INFO] running `Command { std: "docker" "start" "-a" "6582df2fe8d062cc799891413c929ef2a5179e5e9c0d3c8efe2d0a15e19b65d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling reusing-vec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "6582df2fe8d062cc799891413c929ef2a5179e5e9c0d3c8efe2d0a15e19b65d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6582df2fe8d062cc799891413c929ef2a5179e5e9c0d3c8efe2d0a15e19b65d6", kill_on_drop: false }`
[INFO] [stdout] 6582df2fe8d062cc799891413c929ef2a5179e5e9c0d3c8efe2d0a15e19b65d6
[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] 20212f2e6ea9486bfa59be69b0a23e4708e9af1ad696e3888659ced79194bb6b
[INFO] running `Command { std: "docker" "start" "-a" "20212f2e6ea9486bfa59be69b0a23e4708e9af1ad696e3888659ced79194bb6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling reusing-vec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "20212f2e6ea9486bfa59be69b0a23e4708e9af1ad696e3888659ced79194bb6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20212f2e6ea9486bfa59be69b0a23e4708e9af1ad696e3888659ced79194bb6b", kill_on_drop: false }`
[INFO] [stdout] 20212f2e6ea9486bfa59be69b0a23e4708e9af1ad696e3888659ced79194bb6b
[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] 35289320b55ee8c5d053b730a2d67c1f7a25642915582a97cb906ae89df242de
[INFO] running `Command { std: "docker" "start" "-a" "35289320b55ee8c5d053b730a2d67c1f7a25642915582a97cb906ae89df242de", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reusing_vec-c83b6141be954de2)
[INFO] [stdout] test queue::queue_test ... 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 reusing_vec
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] error[E0599]: no method named `push_empty` found for struct `ReusingVec<String>` in the current scope
[INFO] [stdout]   --> src/lib.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |             words_vec.push_empty();
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `is_empty` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 23 -             words_vec.push_empty();
[INFO] [stdout] 23 +             words_vec.is_empty();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "35289320b55ee8c5d053b730a2d67c1f7a25642915582a97cb906ae89df242de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35289320b55ee8c5d053b730a2d67c1f7a25642915582a97cb906ae89df242de", kill_on_drop: false }`
[INFO] [stdout] 35289320b55ee8c5d053b730a2d67c1f7a25642915582a97cb906ae89df242de