[INFO] fetching crate lookaround 0.1.6...
[INFO] testing lookaround-0.1.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lookaround 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lookaround 0.1.6 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 lookaround 0.1.6
[INFO] finished tweaking crates.io crate lookaround 0.1.6
[INFO] tweaked toml for crates.io crate lookaround 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate lookaround 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mac_address v1.1.2
[INFO] [stderr]   Downloaded configparser v3.0.0
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] [stderr]   Downloaded nix v0.22.2
[INFO] [stderr]   Downloaded tokio v1.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 84b19e18b244d74d299aecad26602cf3ad83ac12709b1de260fe6dca2704e1f2
[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" "84b19e18b244d74d299aecad26602cf3ad83ac12709b1de260fe6dca2704e1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84b19e18b244d74d299aecad26602cf3ad83ac12709b1de260fe6dca2704e1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b19e18b244d74d299aecad26602cf3ad83ac12709b1de260fe6dca2704e1f2", kill_on_drop: false }`
[INFO] [stdout] 84b19e18b244d74d299aecad26602cf3ad83ac12709b1de260fe6dca2704e1f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 952d140a51c545023bf81b5c0c41c074dec48ad566686bdf2c3c283d032929ed
[INFO] running `Command { std: "docker" "start" "-a" "952d140a51c545023bf81b5c0c41c074dec48ad566686bdf2c3c283d032929ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling configparser v3.0.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.22.2
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling mac_address v1.1.2
[INFO] [stderr]    Compiling lookaround v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.49s
[INFO] running `Command { std: "docker" "inspect" "952d140a51c545023bf81b5c0c41c074dec48ad566686bdf2c3c283d032929ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952d140a51c545023bf81b5c0c41c074dec48ad566686bdf2c3c283d032929ed", kill_on_drop: false }`
[INFO] [stdout] 952d140a51c545023bf81b5c0c41c074dec48ad566686bdf2c3c283d032929ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ddaa4cf0b17b7c4e383308af41cec2d348a597eb7aeb3a0df632978161c7221c
[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" "ddaa4cf0b17b7c4e383308af41cec2d348a597eb7aeb3a0df632978161c7221c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lookaround v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "ddaa4cf0b17b7c4e383308af41cec2d348a597eb7aeb3a0df632978161c7221c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaa4cf0b17b7c4e383308af41cec2d348a597eb7aeb3a0df632978161c7221c", kill_on_drop: false }`
[INFO] [stdout] ddaa4cf0b17b7c4e383308af41cec2d348a597eb7aeb3a0df632978161c7221c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c9ad9f12fc3e398c47dce5a049dfe2d93aac6bd75ce80006c0bd2e2ccad3808e
[INFO] running `Command { std: "docker" "start" "-a" "c9ad9f12fc3e398c47dce5a049dfe2d93aac6bd75ce80006c0bd2e2ccad3808e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lookaround-622d9834dca2e882)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test client::test::test_nicknames ... ok
[INFO] [stdout] test message::test::test_read_2 ... ok
[INFO] [stdout] test message::test::test_write_2 ... ok
[INFO] [stdout] test tlv::test::test_1 ... ok
[INFO] [stdout] test message::test::test_write_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9ad9f12fc3e398c47dce5a049dfe2d93aac6bd75ce80006c0bd2e2ccad3808e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ad9f12fc3e398c47dce5a049dfe2d93aac6bd75ce80006c0bd2e2ccad3808e", kill_on_drop: false }`
[INFO] [stdout] c9ad9f12fc3e398c47dce5a049dfe2d93aac6bd75ce80006c0bd2e2ccad3808e