[INFO] fetching crate vec_vec 0.5.1...
[INFO] testing vec_vec-0.5.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate vec_vec 0.5.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate vec_vec 0.5.1
[INFO] finished tweaking crates.io crate vec_vec 0.5.1
[INFO] tweaked toml for crates.io crate vec_vec 0.5.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec_vec 0.5.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lending-iterator-proc_macros v0.1.7
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded stack-trait v0.3.0
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded nougat-proc_macros v0.2.4
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded lending-iterator v0.1.7
[INFO] [stderr]   Downloaded nougat v0.2.4
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 976aa55df244d04bb508d8a33a3fa28f8a795eb7f8ddc706b5e5262242d4b182
[INFO] running `Command { std: "docker" "start" "-a" "976aa55df244d04bb508d8a33a3fa28f8a795eb7f8ddc706b5e5262242d4b182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "976aa55df244d04bb508d8a33a3fa28f8a795eb7f8ddc706b5e5262242d4b182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976aa55df244d04bb508d8a33a3fa28f8a795eb7f8ddc706b5e5262242d4b182", kill_on_drop: false }`
[INFO] [stdout] 976aa55df244d04bb508d8a33a3fa28f8a795eb7f8ddc706b5e5262242d4b182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d997ad5520d8121fca3a3fc1c4cd1d6c8dd2907c76aa8d43e4593ffdac8d3c17
[INFO] running `Command { std: "docker" "start" "-a" "d997ad5520d8121fca3a3fc1c4cd1d6c8dd2907c76aa8d43e4593ffdac8d3c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling polonius-the-crab v0.2.1
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling stack-trait v0.3.0
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling nougat-proc_macros v0.2.4
[INFO] [stderr]    Compiling lending-iterator-proc_macros v0.1.7
[INFO] [stderr]    Compiling ext-trait v1.0.1
[INFO] [stderr]    Compiling extension-traits v1.0.1
[INFO] [stderr]    Compiling nougat v0.2.4
[INFO] [stderr]    Compiling lending-iterator v0.1.7
[INFO] [stderr]    Compiling vec_vec v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "d997ad5520d8121fca3a3fc1c4cd1d6c8dd2907c76aa8d43e4593ffdac8d3c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d997ad5520d8121fca3a3fc1c4cd1d6c8dd2907c76aa8d43e4593ffdac8d3c17", kill_on_drop: false }`
[INFO] [stdout] d997ad5520d8121fca3a3fc1c4cd1d6c8dd2907c76aa8d43e4593ffdac8d3c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b07bb48f6d5813816b63275e795cc5c1845425f17af86004a562bf7777cc47d
[INFO] running `Command { std: "docker" "start" "-a" "1b07bb48f6d5813816b63275e795cc5c1845425f17af86004a562bf7777cc47d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_vec v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "1b07bb48f6d5813816b63275e795cc5c1845425f17af86004a562bf7777cc47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b07bb48f6d5813816b63275e795cc5c1845425f17af86004a562bf7777cc47d", kill_on_drop: false }`
[INFO] [stdout] 1b07bb48f6d5813816b63275e795cc5c1845425f17af86004a562bf7777cc47d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] faa09682eec57243e0add032818ba7cfdad4bc30e3397c9f58a8d6faca89d36b
[INFO] running `Command { std: "docker" "start" "-a" "faa09682eec57243e0add032818ba7cfdad4bc30e3397c9f58a8d6faca89d36b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vec_vec-12b17e070c7ca43f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_vec
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lending_iter::tests::for_empty_outer ... ok
[INFO] [stdout] test lending_iter::tests::general_case ... ok
[INFO] [stdout] test lending_iter::tests::for_empty_inner ... ok
[INFO] [stdout] test lending_iter_mut::tests::for_empty_inner ... ok
[INFO] [stdout] test lending_iter_mut::tests::for_empty_outer ... ok
[INFO] [stdout] test lending_iter_mut::tests::general_case ... ok
[INFO] [stdout] test popping_iter::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/popping_iter.rs - popping_iter::PoppingIter (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faa09682eec57243e0add032818ba7cfdad4bc30e3397c9f58a8d6faca89d36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa09682eec57243e0add032818ba7cfdad4bc30e3397c9f58a8d6faca89d36b", kill_on_drop: false }`
[INFO] [stdout] faa09682eec57243e0add032818ba7cfdad4bc30e3397c9f58a8d6faca89d36b