[INFO] crate i3switcher 0.3.1 is already in cache
[INFO] testing i3switcher-0.3.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate i3switcher 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate i3switcher 0.3.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate i3switcher 0.3.1
[INFO] finished tweaking crates.io crate i3switcher 0.3.1
[INFO] tweaked toml for crates.io crate i3switcher 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46b88993d172d4b733d077459111504d41407ef83c82d189b1072d4d780e58a4
[INFO] running `"docker" "start" "-a" "46b88993d172d4b733d077459111504d41407ef83c82d189b1072d4d780e58a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling i3ipc v0.8.4
[INFO] [stderr]    Compiling i3switcher v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let search_iter: Box<Iterator<Item = &Workspace>> = match direction {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Workspace>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `"docker" "inspect" "46b88993d172d4b733d077459111504d41407ef83c82d189b1072d4d780e58a4"`
[INFO] running `"docker" "rm" "-f" "46b88993d172d4b733d077459111504d41407ef83c82d189b1072d4d780e58a4"`
[INFO] [stdout] 46b88993d172d4b733d077459111504d41407ef83c82d189b1072d4d780e58a4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c43ea1bc8b0d38ae3d60feeb7610ee93a0cc13e5f975bc89d27d4c82b4b22701
[INFO] running `"docker" "start" "-a" "c43ea1bc8b0d38ae3d60feeb7610ee93a0cc13e5f975bc89d27d4c82b4b22701"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling i3switcher v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let search_iter: Box<Iterator<Item = &Workspace>> = match direction {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Workspace>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c43ea1bc8b0d38ae3d60feeb7610ee93a0cc13e5f975bc89d27d4c82b4b22701"`
[INFO] running `"docker" "rm" "-f" "c43ea1bc8b0d38ae3d60feeb7610ee93a0cc13e5f975bc89d27d4c82b4b22701"`
[INFO] [stdout] c43ea1bc8b0d38ae3d60feeb7610ee93a0cc13e5f975bc89d27d4c82b4b22701
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a7625fefda271262dfac52d8d2fed28ee44b1bea312f670b31d5145b04dedff
[INFO] running `"docker" "start" "-a" "8a7625fefda271262dfac52d8d2fed28ee44b1bea312f670b31d5145b04dedff"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let search_iter: Box<Iterator<Item = &Workspace>> = match direction {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Workspace>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i3switcher-3709f17dfa9463fe
[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 `"docker" "inspect" "8a7625fefda271262dfac52d8d2fed28ee44b1bea312f670b31d5145b04dedff"`
[INFO] running `"docker" "rm" "-f" "8a7625fefda271262dfac52d8d2fed28ee44b1bea312f670b31d5145b04dedff"`
[INFO] [stdout] 8a7625fefda271262dfac52d8d2fed28ee44b1bea312f670b31d5145b04dedff