[INFO] fetching crate focus 0.1.1...
[INFO] testing focus-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate focus 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate focus 0.1.1 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 focus 0.1.1
[INFO] finished tweaking crates.io crate focus 0.1.1
[INFO] tweaked toml for crates.io crate focus 0.1.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 8b337e991e83e78d27c908742f2ad7569189f302b2ca92ff4287a5a5741e8a91
[INFO] running `Command { std: "docker" "start" "-a" "8b337e991e83e78d27c908742f2ad7569189f302b2ca92ff4287a5a5741e8a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b337e991e83e78d27c908742f2ad7569189f302b2ca92ff4287a5a5741e8a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b337e991e83e78d27c908742f2ad7569189f302b2ca92ff4287a5a5741e8a91", kill_on_drop: false }`
[INFO] [stdout] 8b337e991e83e78d27c908742f2ad7569189f302b2ca92ff4287a5a5741e8a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 773e191087e6252792302d570edafe45d55f0f8bf5e6729a66f289702d5f8175
[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" "773e191087e6252792302d570edafe45d55f0f8bf5e6729a66f289702d5f8175", kill_on_drop: false }`
[INFO] [stderr]    Compiling focus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `rerr`
[INFO] [stdout]  --> src/events/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rerr() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "773e191087e6252792302d570edafe45d55f0f8bf5e6729a66f289702d5f8175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773e191087e6252792302d570edafe45d55f0f8bf5e6729a66f289702d5f8175", kill_on_drop: false }`
[INFO] [stdout] 773e191087e6252792302d570edafe45d55f0f8bf5e6729a66f289702d5f8175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deef5e2368326a74ce2e95f9e0fc8a057887f6e7678c22e78f93abd50dea2e8d
[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" "deef5e2368326a74ce2e95f9e0fc8a057887f6e7678c22e78f93abd50dea2e8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling focus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `rerr`
[INFO] [stdout]  --> src/events/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rerr() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rerr`
[INFO] [stdout]  --> src/events/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rerr() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "deef5e2368326a74ce2e95f9e0fc8a057887f6e7678c22e78f93abd50dea2e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deef5e2368326a74ce2e95f9e0fc8a057887f6e7678c22e78f93abd50dea2e8d", kill_on_drop: false }`
[INFO] [stdout] deef5e2368326a74ce2e95f9e0fc8a057887f6e7678c22e78f93abd50dea2e8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 56fba977fe56fcee2c5be17077eb29ef11afa531392e848bc44f9dbf272ce479
[INFO] running `Command { std: "docker" "start" "-a" "56fba977fe56fcee2c5be17077eb29ef11afa531392e848bc44f9dbf272ce479", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `rerr`
[INFO] [stderr]  --> src/events/mod.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn rerr() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rerr`
[INFO] [stderr]  --> src/events/mod.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn rerr() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/focus-346e2eb4d7cee188
[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] [stderr]    Doc-tests focus
[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" "56fba977fe56fcee2c5be17077eb29ef11afa531392e848bc44f9dbf272ce479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fba977fe56fcee2c5be17077eb29ef11afa531392e848bc44f9dbf272ce479", kill_on_drop: false }`
[INFO] [stdout] 56fba977fe56fcee2c5be17077eb29ef11afa531392e848bc44f9dbf272ce479