[INFO] fetching crate vec_vec 0.5.1...
[INFO] testing vec_vec-0.5.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate vec_vec 0.5.1 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec_vec 0.5.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 859f82d669aaa01aed8afe672d74970687b08240c67328ae0e2fe1eb930a49fe
[INFO] running `Command { std: "docker" "start" "-a" "859f82d669aaa01aed8afe672d74970687b08240c67328ae0e2fe1eb930a49fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "859f82d669aaa01aed8afe672d74970687b08240c67328ae0e2fe1eb930a49fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859f82d669aaa01aed8afe672d74970687b08240c67328ae0e2fe1eb930a49fe", kill_on_drop: false }`
[INFO] [stdout] 859f82d669aaa01aed8afe672d74970687b08240c67328ae0e2fe1eb930a49fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e84053800e95bbfd7f184f815a51d4a10235a864224af5bd40f4e619efbb171
[INFO] running `Command { std: "docker" "start" "-a" "9e84053800e95bbfd7f184f815a51d4a10235a864224af5bd40f4e619efbb171", kill_on_drop: false }`
[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 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 macro_rules_attribute v0.1.3
[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 1.02s
[INFO] running `Command { std: "docker" "inspect" "9e84053800e95bbfd7f184f815a51d4a10235a864224af5bd40f4e619efbb171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e84053800e95bbfd7f184f815a51d4a10235a864224af5bd40f4e619efbb171", kill_on_drop: false }`
[INFO] [stdout] 9e84053800e95bbfd7f184f815a51d4a10235a864224af5bd40f4e619efbb171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90b3baacc052453d7617afb90b8302b28482bf605ea32a179978d956c0f4eb93
[INFO] running `Command { std: "docker" "start" "-a" "90b3baacc052453d7617afb90b8302b28482bf605ea32a179978d956c0f4eb93", 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "90b3baacc052453d7617afb90b8302b28482bf605ea32a179978d956c0f4eb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b3baacc052453d7617afb90b8302b28482bf605ea32a179978d956c0f4eb93", kill_on_drop: false }`
[INFO] [stdout] 90b3baacc052453d7617afb90b8302b28482bf605ea32a179978d956c0f4eb93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c4397f2d1c58980d8358e31aa7290807fef1ee018568272159c718faea3208a
[INFO] running `Command { std: "docker" "start" "-a" "4c4397f2d1c58980d8358e31aa7290807fef1ee018568272159c718faea3208a", 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/vec_vec-6b3d47e891af9358)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lending_iter::tests::general_case ... ok
[INFO] [stdout] test lending_iter_mut::tests::for_empty_outer ... ok
[INFO] [stdout] test popping_iter::tests::it_works ... ok
[INFO] [stdout] test lending_iter_mut::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::tests::for_empty_outer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_vec
[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 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c4397f2d1c58980d8358e31aa7290807fef1ee018568272159c718faea3208a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4397f2d1c58980d8358e31aa7290807fef1ee018568272159c718faea3208a", kill_on_drop: false }`
[INFO] [stdout] 4c4397f2d1c58980d8358e31aa7290807fef1ee018568272159c718faea3208a