[INFO] fetching crate prepeek 0.1.2...
[INFO] testing prepeek-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate prepeek 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate prepeek 0.1.2
[INFO] finished tweaking crates.io crate prepeek 0.1.2
[INFO] tweaked toml for crates.io crate prepeek 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prepeek 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41f613f43c4bf8b8e33394f5ac9773ee0473d51817765cff0a7b233b1950585b
[INFO] running `Command { std: "docker" "start" "-a" "41f613f43c4bf8b8e33394f5ac9773ee0473d51817765cff0a7b233b1950585b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41f613f43c4bf8b8e33394f5ac9773ee0473d51817765cff0a7b233b1950585b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f613f43c4bf8b8e33394f5ac9773ee0473d51817765cff0a7b233b1950585b", kill_on_drop: false }`
[INFO] [stdout] 41f613f43c4bf8b8e33394f5ac9773ee0473d51817765cff0a7b233b1950585b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3bafb53e7b8713a4b3724f575cc0c607d3d203302a8c471c129ab9332eb9cc7
[INFO] running `Command { std: "docker" "start" "-a" "c3bafb53e7b8713a4b3724f575cc0c607d3d203302a8c471c129ab9332eb9cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling prepeek v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "c3bafb53e7b8713a4b3724f575cc0c607d3d203302a8c471c129ab9332eb9cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bafb53e7b8713a4b3724f575cc0c607d3d203302a8c471c129ab9332eb9cc7", kill_on_drop: false }`
[INFO] [stdout] c3bafb53e7b8713a4b3724f575cc0c607d3d203302a8c471c129ab9332eb9cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e7758461a633a40378c479b77246868745aec84a0e1a9fffec7bd5130191c9e
[INFO] running `Command { std: "docker" "start" "-a" "6e7758461a633a40378c479b77246868745aec84a0e1a9fffec7bd5130191c9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling prepeek v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "6e7758461a633a40378c479b77246868745aec84a0e1a9fffec7bd5130191c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7758461a633a40378c479b77246868745aec84a0e1a9fffec7bd5130191c9e", kill_on_drop: false }`
[INFO] [stdout] 6e7758461a633a40378c479b77246868745aec84a0e1a9fffec7bd5130191c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80f1f0de1194a571b22d3f606017b93020adb494293b03e281bdd02631b9e73b
[INFO] running `Command { std: "docker" "start" "-a" "80f1f0de1194a571b22d3f606017b93020adb494293b03e281bdd02631b9e73b", 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/prepeek-213d50ad6f0b9b0f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_no_prefetch ... ok
[INFO] [stdout] test tests::test_overallocated ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prepeek
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Prepeek<I,L>::peek (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Prepeek<I,L>::peek_nth (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80f1f0de1194a571b22d3f606017b93020adb494293b03e281bdd02631b9e73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f1f0de1194a571b22d3f606017b93020adb494293b03e281bdd02631b9e73b", kill_on_drop: false }`
[INFO] [stdout] 80f1f0de1194a571b22d3f606017b93020adb494293b03e281bdd02631b9e73b