[INFO] fetching crate rlocc 0.2.1...
[INFO] testing rlocc-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rlocc 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rlocc 0.2.1 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 rlocc 0.2.1
[INFO] finished tweaking crates.io crate rlocc 0.2.1
[INFO] tweaked toml for crates.io crate rlocc 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rlocc 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 1261a67f45d4bc17b55142e30e28bbd3733bc7f675aa8fe68f6fb8fe6c800663
[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" "1261a67f45d4bc17b55142e30e28bbd3733bc7f675aa8fe68f6fb8fe6c800663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1261a67f45d4bc17b55142e30e28bbd3733bc7f675aa8fe68f6fb8fe6c800663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1261a67f45d4bc17b55142e30e28bbd3733bc7f675aa8fe68f6fb8fe6c800663", kill_on_drop: false }`
[INFO] [stdout] 1261a67f45d4bc17b55142e30e28bbd3733bc7f675aa8fe68f6fb8fe6c800663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 89d180bc3512bbb3d9320df8f371380b89958daded33d28d155a554ba6275860
[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" "89d180bc3512bbb3d9320df8f371380b89958daded33d28d155a554ba6275860", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rlocc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `Command { std: "docker" "inspect" "89d180bc3512bbb3d9320df8f371380b89958daded33d28d155a554ba6275860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d180bc3512bbb3d9320df8f371380b89958daded33d28d155a554ba6275860", kill_on_drop: false }`
[INFO] [stdout] 89d180bc3512bbb3d9320df8f371380b89958daded33d28d155a554ba6275860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 036b50e940dffc879e92ccf24784b4b6643a9dc52b6f5145a09c5e1fb82518a6
[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" "036b50e940dffc879e92ccf24784b4b6643a9dc52b6f5145a09c5e1fb82518a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlocc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/locc/states.rs:468:12
[INFO] [stdout]     |
[INFO] [stdout] 468 |         fn new(lang: &'static Language) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `state_initial_empty_line`
[INFO] [stdout]    --> src/locc/states.rs:480:8
[INFO] [stdout]     |
[INFO] [stdout] 480 |     fn state_initial_empty_line() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "036b50e940dffc879e92ccf24784b4b6643a9dc52b6f5145a09c5e1fb82518a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036b50e940dffc879e92ccf24784b4b6643a9dc52b6f5145a09c5e1fb82518a6", kill_on_drop: false }`
[INFO] [stdout] 036b50e940dffc879e92ccf24784b4b6643a9dc52b6f5145a09c5e1fb82518a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 1026309689f1215b05ef921cd398cecf50d3c071ed2536be3c60ebbe69cedaff
[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" "1026309689f1215b05ef921cd398cecf50d3c071ed2536be3c60ebbe69cedaff", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/locc/states.rs:468:12
[INFO] [stderr]     |
[INFO] [stderr] 468 |         fn new(lang: &'static Language) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `state_initial_empty_line`
[INFO] [stderr]    --> src/locc/states.rs:480:8
[INFO] [stderr]     |
[INFO] [stderr] 480 |     fn state_initial_empty_line() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlocc-9c6f1fa22cc2cb0b
[INFO] [stdout] running 4 tests
[INFO] [stdout] test locc::config::tests::test_default ... ok
[INFO] [stdout] test locc::languages::tests::print_lang_array ... ok
[INFO] [stdout] test locc::languages::tests::dummy_check_hashmap ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlocc-4c9e90c966b2034e
[INFO] [stdout] test locc::languages::tests::print_in_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rlocc
[INFO] [stdout] test tests::skip_arg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "1026309689f1215b05ef921cd398cecf50d3c071ed2536be3c60ebbe69cedaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1026309689f1215b05ef921cd398cecf50d3c071ed2536be3c60ebbe69cedaff", kill_on_drop: false }`
[INFO] [stdout] 1026309689f1215b05ef921cd398cecf50d3c071ed2536be3c60ebbe69cedaff