[INFO] fetching crate ixlist 0.1.0...
[INFO] testing ixlist-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ixlist 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ixlist 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ixlist 0.1.0
[INFO] finished tweaking crates.io crate ixlist 0.1.0
[INFO] tweaked toml for crates.io crate ixlist 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2022-04-10" "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] cb655d7157c96616c90226bec838bde8a6f02eb046d231ae4c1d0dd84feb857e
[INFO] running `Command { std: "docker" "start" "-a" "cb655d7157c96616c90226bec838bde8a6f02eb046d231ae4c1d0dd84feb857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb655d7157c96616c90226bec838bde8a6f02eb046d231ae4c1d0dd84feb857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb655d7157c96616c90226bec838bde8a6f02eb046d231ae4c1d0dd84feb857e", kill_on_drop: false }`
[INFO] [stdout] cb655d7157c96616c90226bec838bde8a6f02eb046d231ae4c1d0dd84feb857e
[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" "+beta-2022-04-10" "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] 7ab41edab24ece7d142407dc7968268cad196bb88645ee92ad1be548cfbd4ef8
[INFO] running `Command { std: "docker" "start" "-a" "7ab41edab24ece7d142407dc7968268cad196bb88645ee92ad1be548cfbd4ef8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ixlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "7ab41edab24ece7d142407dc7968268cad196bb88645ee92ad1be548cfbd4ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab41edab24ece7d142407dc7968268cad196bb88645ee92ad1be548cfbd4ef8", kill_on_drop: false }`
[INFO] [stdout] 7ab41edab24ece7d142407dc7968268cad196bb88645ee92ad1be548cfbd4ef8
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80181341fbe26b1dfd74ec678266898c4f08ec9b18c5104862bdc0883727676e
[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" "80181341fbe26b1dfd74ec678266898c4f08ec9b18c5104862bdc0883727676e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling ixlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.21s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ixlist-4a06c6aac3d0eefd)
[INFO] [stderr]   Executable tests/list.rs (/opt/rustwide/target/debug/deps/list-cd3616fee6b07b85)
[INFO] running `Command { std: "docker" "inspect" "80181341fbe26b1dfd74ec678266898c4f08ec9b18c5104862bdc0883727676e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80181341fbe26b1dfd74ec678266898c4f08ec9b18c5104862bdc0883727676e", kill_on_drop: false }`
[INFO] [stdout] 80181341fbe26b1dfd74ec678266898c4f08ec9b18c5104862bdc0883727676e
[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" "+beta-2022-04-10" "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] 51aa3e97cefc43f40b383be9fcfda5e8213f7bf96aab3097dd72daeb0372c0c8
[INFO] running `Command { std: "docker" "start" "-a" "51aa3e97cefc43f40b383be9fcfda5e8213f7bf96aab3097dd72daeb0372c0c8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ixlist-4a06c6aac3d0eefd)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/list.rs (/opt/rustwide/target/debug/deps/list-cd3616fee6b07b85)
[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 6 tests
[INFO] [stdout] test from_iter ... ok
[INFO] [stderr]    Doc-tests ixlist
[INFO] [stdout] test cursor ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test push_pop ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test extend ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - List (line 49) ... ignored
[INFO] [stdout] test src/lib.rs - List (line 59) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51aa3e97cefc43f40b383be9fcfda5e8213f7bf96aab3097dd72daeb0372c0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51aa3e97cefc43f40b383be9fcfda5e8213f7bf96aab3097dd72daeb0372c0c8", kill_on_drop: false }`
[INFO] [stdout] 51aa3e97cefc43f40b383be9fcfda5e8213f7bf96aab3097dd72daeb0372c0c8