[INFO] fetching crate peek-nth 0.2.0...
[INFO] testing peek-nth-0.2.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate peek-nth 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate peek-nth 0.2.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peek-nth 0.2.0
[INFO] finished tweaking crates.io crate peek-nth 0.2.0
[INFO] tweaked toml for crates.io crate peek-nth 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52d99cd3f5c96dda5b44f4d7713c989ad1f81c80bd3e404d114e00d25cf74274
[INFO] running `Command { std: "docker" "start" "-a" "52d99cd3f5c96dda5b44f4d7713c989ad1f81c80bd3e404d114e00d25cf74274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52d99cd3f5c96dda5b44f4d7713c989ad1f81c80bd3e404d114e00d25cf74274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d99cd3f5c96dda5b44f4d7713c989ad1f81c80bd3e404d114e00d25cf74274", kill_on_drop: false }`
[INFO] [stdout] 52d99cd3f5c96dda5b44f4d7713c989ad1f81c80bd3e404d114e00d25cf74274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1256ac3fe05748ea309691cf90eb972fcb9fc7f2484a6b953f78c51a934e40cf
[INFO] running `Command { std: "docker" "start" "-a" "1256ac3fe05748ea309691cf90eb972fcb9fc7f2484a6b953f78c51a934e40cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling peek-nth v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "1256ac3fe05748ea309691cf90eb972fcb9fc7f2484a6b953f78c51a934e40cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1256ac3fe05748ea309691cf90eb972fcb9fc7f2484a6b953f78c51a934e40cf", kill_on_drop: false }`
[INFO] [stdout] 1256ac3fe05748ea309691cf90eb972fcb9fc7f2484a6b953f78c51a934e40cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 111134ff98b11e23f25a8a931ebbb5ea24ec32aae42e4ac356aff46b10fa3c0b
[INFO] running `Command { std: "docker" "start" "-a" "111134ff98b11e23f25a8a931ebbb5ea24ec32aae42e4ac356aff46b10fa3c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling peek-nth v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "111134ff98b11e23f25a8a931ebbb5ea24ec32aae42e4ac356aff46b10fa3c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111134ff98b11e23f25a8a931ebbb5ea24ec32aae42e4ac356aff46b10fa3c0b", kill_on_drop: false }`
[INFO] [stdout] 111134ff98b11e23f25a8a931ebbb5ea24ec32aae42e4ac356aff46b10fa3c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84c706b5c5c2da447a2f65fd3f38d82b21b190fc8a4bc8db61657a010c4650e8
[INFO] running `Command { std: "docker" "start" "-a" "84c706b5c5c2da447a2f65fd3f38d82b21b190fc8a4bc8db61657a010c4650e8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peek_nth-ac2f7b4e920d2a3c)
[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] [stderr]    Doc-tests peek-nth
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84c706b5c5c2da447a2f65fd3f38d82b21b190fc8a4bc8db61657a010c4650e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c706b5c5c2da447a2f65fd3f38d82b21b190fc8a4bc8db61657a010c4650e8", kill_on_drop: false }`
[INFO] [stdout] 84c706b5c5c2da447a2f65fd3f38d82b21b190fc8a4bc8db61657a010c4650e8