[INFO] fetching crate iterdir 0.1.0...
[INFO] testing iterdir-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iterdir 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate iterdir 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iterdir 0.1.0
[INFO] finished tweaking crates.io crate iterdir 0.1.0
[INFO] tweaked toml for crates.io crate iterdir 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee4bc9560709ce4c5841662b04b424a2b53553fe185e3cf9fa4023a8045b1aca
[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" "ee4bc9560709ce4c5841662b04b424a2b53553fe185e3cf9fa4023a8045b1aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee4bc9560709ce4c5841662b04b424a2b53553fe185e3cf9fa4023a8045b1aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4bc9560709ce4c5841662b04b424a2b53553fe185e3cf9fa4023a8045b1aca", kill_on_drop: false }`
[INFO] [stdout] ee4bc9560709ce4c5841662b04b424a2b53553fe185e3cf9fa4023a8045b1aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] eca5353b060e7054d040f8749a98a60dbc9d7d1b5c687a3abf5bd6dfafbfa470
[INFO] running `Command { std: "docker" "start" "-a" "eca5353b060e7054d040f8749a98a60dbc9d7d1b5c687a3abf5bd6dfafbfa470", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterdir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "eca5353b060e7054d040f8749a98a60dbc9d7d1b5c687a3abf5bd6dfafbfa470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca5353b060e7054d040f8749a98a60dbc9d7d1b5c687a3abf5bd6dfafbfa470", kill_on_drop: false }`
[INFO] [stdout] eca5353b060e7054d040f8749a98a60dbc9d7d1b5c687a3abf5bd6dfafbfa470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 44e4bbe7bfa3080c1e8a4e467936a14fb0c7d3a6da61c1a91e9df33bdb8ee356
[INFO] running `Command { std: "docker" "start" "-a" "44e4bbe7bfa3080c1e8a4e467936a14fb0c7d3a6da61c1a91e9df33bdb8ee356", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterdir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "44e4bbe7bfa3080c1e8a4e467936a14fb0c7d3a6da61c1a91e9df33bdb8ee356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e4bbe7bfa3080c1e8a4e467936a14fb0c7d3a6da61c1a91e9df33bdb8ee356", kill_on_drop: false }`
[INFO] [stdout] 44e4bbe7bfa3080c1e8a4e467936a14fb0c7d3a6da61c1a91e9df33bdb8ee356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fd12d48f259df9fe494ca9861774b1006a446b4ac35b4460aa36f843ce868ed
[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" "6fd12d48f259df9fe494ca9861774b1006a446b4ac35b4460aa36f843ce868ed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterdir-91fec4d6a9762056
[INFO] [stderr]    Doc-tests iterdir
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fd12d48f259df9fe494ca9861774b1006a446b4ac35b4460aa36f843ce868ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd12d48f259df9fe494ca9861774b1006a446b4ac35b4460aa36f843ce868ed", kill_on_drop: false }`
[INFO] [stdout] 6fd12d48f259df9fe494ca9861774b1006a446b4ac35b4460aa36f843ce868ed