[INFO] fetching crate never 0.1.0...
[INFO] testing never-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate never 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate never 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate never 0.1.0
[INFO] finished tweaking crates.io crate never 0.1.0
[INFO] tweaked toml for crates.io crate never 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a21c50c5b351648f6baf6a072b212772412ccb81b79d0d228e60688751ee10a
[INFO] running `Command { std: "docker" "start" "-a" "7a21c50c5b351648f6baf6a072b212772412ccb81b79d0d228e60688751ee10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a21c50c5b351648f6baf6a072b212772412ccb81b79d0d228e60688751ee10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a21c50c5b351648f6baf6a072b212772412ccb81b79d0d228e60688751ee10a", kill_on_drop: false }`
[INFO] [stdout] 7a21c50c5b351648f6baf6a072b212772412ccb81b79d0d228e60688751ee10a
[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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37af60e8bb2582b246f50954fa10cfae62d373a53c49a19abfd93b7b0a82c4fb
[INFO] running `Command { std: "docker" "start" "-a" "37af60e8bb2582b246f50954fa10cfae62d373a53c49a19abfd93b7b0a82c4fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling never v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "37af60e8bb2582b246f50954fa10cfae62d373a53c49a19abfd93b7b0a82c4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37af60e8bb2582b246f50954fa10cfae62d373a53c49a19abfd93b7b0a82c4fb", kill_on_drop: false }`
[INFO] [stdout] 37af60e8bb2582b246f50954fa10cfae62d373a53c49a19abfd93b7b0a82c4fb
[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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3030228d7d1e31d2eb65b2e0ffc41b68f6fb908393f4c07eaaa7f52c4664315
[INFO] running `Command { std: "docker" "start" "-a" "c3030228d7d1e31d2eb65b2e0ffc41b68f6fb908393f4c07eaaa7f52c4664315", kill_on_drop: false }`
[INFO] [stderr]    Compiling never v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "c3030228d7d1e31d2eb65b2e0ffc41b68f6fb908393f4c07eaaa7f52c4664315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3030228d7d1e31d2eb65b2e0ffc41b68f6fb908393f4c07eaaa7f52c4664315", kill_on_drop: false }`
[INFO] [stdout] c3030228d7d1e31d2eb65b2e0ffc41b68f6fb908393f4c07eaaa7f52c4664315
[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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b68e2ed1d18c8c78477c7585a41584b0dc184885648c222e2e6ef29c5eb1aec
[INFO] running `Command { std: "docker" "start" "-a" "0b68e2ed1d18c8c78477c7585a41584b0dc184885648c222e2e6ef29c5eb1aec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/never-fb6339941e2e4f92)
[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 never
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Never (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b68e2ed1d18c8c78477c7585a41584b0dc184885648c222e2e6ef29c5eb1aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b68e2ed1d18c8c78477c7585a41584b0dc184885648c222e2e6ef29c5eb1aec", kill_on_drop: false }`
[INFO] [stdout] 0b68e2ed1d18c8c78477c7585a41584b0dc184885648c222e2e6ef29c5eb1aec