[INFO] fetching crate peeknth 0.3.0...
[INFO] testing peeknth-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate peeknth 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate peeknth 0.3.0
[INFO] finished tweaking crates.io crate peeknth 0.3.0
[INFO] tweaked toml for crates.io crate peeknth 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate peeknth 0.3.0 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 peeknth 0.3.0 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] ef7181e3f444190c44e315f7cfbf0e661cc11cf4263cbb1385d4acdb52dc8813
[INFO] running `Command { std: "docker" "start" "-a" "ef7181e3f444190c44e315f7cfbf0e661cc11cf4263cbb1385d4acdb52dc8813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef7181e3f444190c44e315f7cfbf0e661cc11cf4263cbb1385d4acdb52dc8813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7181e3f444190c44e315f7cfbf0e661cc11cf4263cbb1385d4acdb52dc8813", kill_on_drop: false }`
[INFO] [stdout] ef7181e3f444190c44e315f7cfbf0e661cc11cf4263cbb1385d4acdb52dc8813
[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] 5525855ec3bab561b7e33019b8cd0416707685bed1c32e74fc5526c5bb198517
[INFO] running `Command { std: "docker" "start" "-a" "5525855ec3bab561b7e33019b8cd0416707685bed1c32e74fc5526c5bb198517", kill_on_drop: false }`
[INFO] [stderr]    Compiling peeknth v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "5525855ec3bab561b7e33019b8cd0416707685bed1c32e74fc5526c5bb198517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5525855ec3bab561b7e33019b8cd0416707685bed1c32e74fc5526c5bb198517", kill_on_drop: false }`
[INFO] [stdout] 5525855ec3bab561b7e33019b8cd0416707685bed1c32e74fc5526c5bb198517
[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] 65b7a698e2baabc7ca6b7d7066bad0b8e43da72d841664bcf951d9c2312e2d76
[INFO] running `Command { std: "docker" "start" "-a" "65b7a698e2baabc7ca6b7d7066bad0b8e43da72d841664bcf951d9c2312e2d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling peeknth v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "65b7a698e2baabc7ca6b7d7066bad0b8e43da72d841664bcf951d9c2312e2d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b7a698e2baabc7ca6b7d7066bad0b8e43da72d841664bcf951d9c2312e2d76", kill_on_drop: false }`
[INFO] [stdout] 65b7a698e2baabc7ca6b7d7066bad0b8e43da72d841664bcf951d9c2312e2d76
[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] c1771cb5b2e2412fa91902bcf59824ea06cd083448cd97301dd85ddfa2cef19a
[INFO] running `Command { std: "docker" "start" "-a" "c1771cb5b2e2412fa91902bcf59824ea06cd083448cd97301dd85ddfa2cef19a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/peeknth-de19ed65a6b1b7ac)
[INFO] [stderr]    Doc-tests peeknth
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN (line 22) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::next_if (line 379) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::next_if_eq (line 402) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::peek (line 244) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::peek_nth_mut (line 212) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::peek_mut (line 260) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::with_capacity (line 156) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::peek_nth (line 180) ... ok
[INFO] [stdout] test src/peekn/sizedpeekn.rs - peekn::sizedpeekn::SizedPeekN (line 27) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<I>::peek_range (line 287) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::PeekN<Peekable<I>> (line 517) ... ok
[INFO] [stdout] test src/peekn/core.rs - peekn::core::peekn (line 532) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1771cb5b2e2412fa91902bcf59824ea06cd083448cd97301dd85ddfa2cef19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1771cb5b2e2412fa91902bcf59824ea06cd083448cd97301dd85ddfa2cef19a", kill_on_drop: false }`
[INFO] [stdout] c1771cb5b2e2412fa91902bcf59824ea06cd083448cd97301dd85ddfa2cef19a