[INFO] fetching crate fwdlist 0.3.0...
[INFO] testing fwdlist-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fwdlist 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fwdlist 0.3.0 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 fwdlist 0.3.0
[INFO] finished tweaking crates.io crate fwdlist 0.3.0
[INFO] tweaked toml for crates.io crate fwdlist 0.3.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bb8ef4ef1998063fc2975a25f0b893f22f5447369d443f5f3d0cdbdf9ae96229
[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" "bb8ef4ef1998063fc2975a25f0b893f22f5447369d443f5f3d0cdbdf9ae96229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8ef4ef1998063fc2975a25f0b893f22f5447369d443f5f3d0cdbdf9ae96229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8ef4ef1998063fc2975a25f0b893f22f5447369d443f5f3d0cdbdf9ae96229", kill_on_drop: false }`
[INFO] [stdout] bb8ef4ef1998063fc2975a25f0b893f22f5447369d443f5f3d0cdbdf9ae96229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 18b9228871844b90fc9e66c29eb88ca6a0fd9cd1122217e9eef390fed53b3bb8
[INFO] running `Command { std: "docker" "start" "-a" "18b9228871844b90fc9e66c29eb88ca6a0fd9cd1122217e9eef390fed53b3bb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwdlist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "18b9228871844b90fc9e66c29eb88ca6a0fd9cd1122217e9eef390fed53b3bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b9228871844b90fc9e66c29eb88ca6a0fd9cd1122217e9eef390fed53b3bb8", kill_on_drop: false }`
[INFO] [stdout] 18b9228871844b90fc9e66c29eb88ca6a0fd9cd1122217e9eef390fed53b3bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] f87f766a879347a72adce6bc7a4884163d5214829cea8594a94a8611ad51d87d
[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" "f87f766a879347a72adce6bc7a4884163d5214829cea8594a94a8611ad51d87d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwdlist v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "f87f766a879347a72adce6bc7a4884163d5214829cea8594a94a8611ad51d87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87f766a879347a72adce6bc7a4884163d5214829cea8594a94a8611ad51d87d", kill_on_drop: false }`
[INFO] [stdout] f87f766a879347a72adce6bc7a4884163d5214829cea8594a94a8611ad51d87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5ce9b6786bc0a2c332bdf1c804b6ee20b0c766060c67b27f237c945b8d215c2a
[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" "5ce9b6786bc0a2c332bdf1c804b6ee20b0c766060c67b27f237c945b8d215c2a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fwdlist-529346655a628db5
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test cursor::minimal ... ok
[INFO] [stdout] test cursor::next ... ok
[INFO] [stdout] test cursor::checkpoint ... ok
[INFO] [stdout] test cursor::truncate ... ok
[INFO] [stdout] test iter::ref_iter ... ok
[INFO] [stdout] test iter::ref_iter_clone ... ok
[INFO] [stdout] test itermut::extra::mutref_iter_advanced ... ok
[INFO] [stdout] test itermut::mutref_iter ... ok
[INFO] [stdout] test cursor::splice ... ok
[INFO] [stdout] test cursor::split ... ok
[INFO] [stdout] test ops::core::basics ... ok
[INFO] [stdout] test cursor::remove_n ... ok
[INFO] [stdout] test cursor::remove ... ok
[INFO] [stdout] test cursor::merge_sort ... ok
[INFO] [stdout] test cursor::last ... ok
[INFO] [stdout] test cursor::insert ... ok
[INFO] [stdout] test ops::extra::append ... ok
[INFO] [stdout] test ops::extra::split_off ... ok
[INFO] [stdout] test cursor::nth ... ok
[INFO] [stdout] test cursor::end ... ok
[INFO] [stdout] test cursor::append ... ok
[INFO] [stdout] test intoiter::into_iter ... ok
[INFO] [stderr]    Doc-tests fwdlist
[INFO] [stdout] test ops::extra::split_off_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/cursor.rs - cursor::Cursor::split (line 159) ... ignored
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Cursor (line 127) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ce9b6786bc0a2c332bdf1c804b6ee20b0c766060c67b27f237c945b8d215c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce9b6786bc0a2c332bdf1c804b6ee20b0c766060c67b27f237c945b8d215c2a", kill_on_drop: false }`
[INFO] [stdout] 5ce9b6786bc0a2c332bdf1c804b6ee20b0c766060c67b27f237c945b8d215c2a