[INFO] fetching crate pushback-iter 0.2.0...
[INFO] testing pushback-iter-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate pushback-iter 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pushback-iter 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pushback-iter 0.2.0
[INFO] finished tweaking crates.io crate pushback-iter 0.2.0
[INFO] tweaked toml for crates.io crate pushback-iter 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f4b696cda25d5ceda0eeb940152c0531d5255bb038bd68be0cc2730ba76944c
[INFO] running `Command { std: "docker" "start" "-a" "7f4b696cda25d5ceda0eeb940152c0531d5255bb038bd68be0cc2730ba76944c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f4b696cda25d5ceda0eeb940152c0531d5255bb038bd68be0cc2730ba76944c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4b696cda25d5ceda0eeb940152c0531d5255bb038bd68be0cc2730ba76944c", kill_on_drop: false }`
[INFO] [stdout] 7f4b696cda25d5ceda0eeb940152c0531d5255bb038bd68be0cc2730ba76944c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87f2ee939076b6ffe4083c99fd4f970eabfd6b7d3768fc72ae0a324ea205a46f
[INFO] running `Command { std: "docker" "start" "-a" "87f2ee939076b6ffe4083c99fd4f970eabfd6b7d3768fc72ae0a324ea205a46f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pushback-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "87f2ee939076b6ffe4083c99fd4f970eabfd6b7d3768fc72ae0a324ea205a46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f2ee939076b6ffe4083c99fd4f970eabfd6b7d3768fc72ae0a324ea205a46f", kill_on_drop: false }`
[INFO] [stdout] 87f2ee939076b6ffe4083c99fd4f970eabfd6b7d3768fc72ae0a324ea205a46f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e6f775f7377351e8560a60cc4410dba245203861c99f8a6b066c9ab7a21cbe
[INFO] running `Command { std: "docker" "start" "-a" "b1e6f775f7377351e8560a60cc4410dba245203861c99f8a6b066c9ab7a21cbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling pushback-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b1e6f775f7377351e8560a60cc4410dba245203861c99f8a6b066c9ab7a21cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e6f775f7377351e8560a60cc4410dba245203861c99f8a6b066c9ab7a21cbe", kill_on_drop: false }`
[INFO] [stdout] b1e6f775f7377351e8560a60cc4410dba245203861c99f8a6b066c9ab7a21cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce08956d50a0e34a20085f2a6f30795c1266dfa63d1367309d3692b282daed20
[INFO] running `Command { std: "docker" "start" "-a" "ce08956d50a0e34a20085f2a6f30795c1266dfa63d1367309d3692b282daed20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pushback_iter-861e6bee4981bb7f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::peek_nth ... ok
[INFO] [stdout] test tests::push_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pushback-iter
[INFO] [stderr] warning: lint `broken_intra_doc_links` has been renamed to `rustdoc::broken_intra_doc_links`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     broken_intra_doc_links
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::broken_intra_doc_links`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce08956d50a0e34a20085f2a6f30795c1266dfa63d1367309d3692b282daed20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce08956d50a0e34a20085f2a6f30795c1266dfa63d1367309d3692b282daed20", kill_on_drop: false }`
[INFO] [stdout] ce08956d50a0e34a20085f2a6f30795c1266dfa63d1367309d3692b282daed20