[INFO] fetching crate iter_from_fn 1.0.0...
[INFO] testing iter_from_fn-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate iter_from_fn 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate iter_from_fn 1.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter_from_fn 1.0.0
[INFO] finished tweaking crates.io crate iter_from_fn 1.0.0
[INFO] tweaked toml for crates.io crate iter_from_fn 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2f1d16785eb741fdf943b0d2a97f73c7190de5a3ac829a0e114fa5758bfdfbb
[INFO] running `Command { std: "docker" "start" "-a" "e2f1d16785eb741fdf943b0d2a97f73c7190de5a3ac829a0e114fa5758bfdfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f1d16785eb741fdf943b0d2a97f73c7190de5a3ac829a0e114fa5758bfdfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f1d16785eb741fdf943b0d2a97f73c7190de5a3ac829a0e114fa5758bfdfbb", kill_on_drop: false }`
[INFO] [stdout] e2f1d16785eb741fdf943b0d2a97f73c7190de5a3ac829a0e114fa5758bfdfbb
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c575990fa054567809f0db92d7646e667fa001ecb0c84dd8b24ad46a68d3ad2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c575990fa054567809f0db92d7646e667fa001ecb0c84dd8b24ad46a68d3ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_from_fn v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "5c575990fa054567809f0db92d7646e667fa001ecb0c84dd8b24ad46a68d3ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c575990fa054567809f0db92d7646e667fa001ecb0c84dd8b24ad46a68d3ad2", kill_on_drop: false }`
[INFO] [stdout] 5c575990fa054567809f0db92d7646e667fa001ecb0c84dd8b24ad46a68d3ad2
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77eaf89ed389f62d2c433ada6e8496addf7d15352e71a913680f432c07ef428d
[INFO] running `Command { std: "docker" "start" "-a" "77eaf89ed389f62d2c433ada6e8496addf7d15352e71a913680f432c07ef428d", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_from_fn v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "77eaf89ed389f62d2c433ada6e8496addf7d15352e71a913680f432c07ef428d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77eaf89ed389f62d2c433ada6e8496addf7d15352e71a913680f432c07ef428d", kill_on_drop: false }`
[INFO] [stdout] 77eaf89ed389f62d2c433ada6e8496addf7d15352e71a913680f432c07ef428d
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8fcae2040ace2edfabbc8c50854302a2a8bdc03eb0219fbe4e9fc2dee8bb4d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8fcae2040ace2edfabbc8c50854302a2a8bdc03eb0219fbe4e9fc2dee8bb4d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_from_fn-7bb3710940925fdf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_inside_for ... ok
[INFO] [stdout] test tests::test_mutable ... ok
[INFO] [stdout] test tests::test_ones ... ok
[INFO] [stderr]    Doc-tests iter_from_fn
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "d8fcae2040ace2edfabbc8c50854302a2a8bdc03eb0219fbe4e9fc2dee8bb4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fcae2040ace2edfabbc8c50854302a2a8bdc03eb0219fbe4e9fc2dee8bb4d7", kill_on_drop: false }`
[INFO] [stdout] d8fcae2040ace2edfabbc8c50854302a2a8bdc03eb0219fbe4e9fc2dee8bb4d7