[INFO] fetching crate iter-trait 0.3.1...
[INFO] testing iter-trait-0.3.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate iter-trait 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate iter-trait 0.3.1 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-trait 0.3.1
[INFO] finished tweaking crates.io crate iter-trait 0.3.1
[INFO] tweaked toml for crates.io crate iter-trait 0.3.1 written to /workspace/builds/worker-7/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-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21a7e3af3008c4ef3939e98d211661f670fa88f799beb5ec6488d208c4d11ed1
[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" "21a7e3af3008c4ef3939e98d211661f670fa88f799beb5ec6488d208c4d11ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21a7e3af3008c4ef3939e98d211661f670fa88f799beb5ec6488d208c4d11ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a7e3af3008c4ef3939e98d211661f670fa88f799beb5ec6488d208c4d11ed1", kill_on_drop: false }`
[INFO] [stdout] 21a7e3af3008c4ef3939e98d211661f670fa88f799beb5ec6488d208c4d11ed1
[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=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] 62b115a7fc2d9bf01ca646d6535ff4159c3de02b9d49239b2d84b32632eed5ed
[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" "62b115a7fc2d9bf01ca646d6535ff4159c3de02b9d49239b2d84b32632eed5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-trait v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "62b115a7fc2d9bf01ca646d6535ff4159c3de02b9d49239b2d84b32632eed5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b115a7fc2d9bf01ca646d6535ff4159c3de02b9d49239b2d84b32632eed5ed", kill_on_drop: false }`
[INFO] [stdout] 62b115a7fc2d9bf01ca646d6535ff4159c3de02b9d49239b2d84b32632eed5ed
[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=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] [stdout] dfcb6a8d0ad1c0c7dd68a96dd2dbce931d583d96ce5d47c8e386fd49b03c6a8e
[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" "dfcb6a8d0ad1c0c7dd68a96dd2dbce931d583d96ce5d47c8e386fd49b03c6a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-trait v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "dfcb6a8d0ad1c0c7dd68a96dd2dbce931d583d96ce5d47c8e386fd49b03c6a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcb6a8d0ad1c0c7dd68a96dd2dbce931d583d96ce5d47c8e386fd49b03c6a8e", kill_on_drop: false }`
[INFO] [stdout] dfcb6a8d0ad1c0c7dd68a96dd2dbce931d583d96ce5d47c8e386fd49b03c6a8e
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4dd6aac3f10e39196b1462a58b76b1f87d1c1a2b56c92575462b011884432616
[INFO] running `Command { std: "docker" "start" "-a" "4dd6aac3f10e39196b1462a58b76b1f87d1c1a2b56c92575462b011884432616", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_trait-862b35e7f95fad9a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter-trait
[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 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" "4dd6aac3f10e39196b1462a58b76b1f87d1c1a2b56c92575462b011884432616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd6aac3f10e39196b1462a58b76b1f87d1c1a2b56c92575462b011884432616", kill_on_drop: false }`
[INFO] [stdout] 4dd6aac3f10e39196b1462a58b76b1f87d1c1a2b56c92575462b011884432616