[INFO] crate cpp_to_rust_common 0.2.3 is already in cache
[INFO] testing cpp_to_rust_common-0.2.3 against 1.45.2 for beta-1.46-1
[INFO] extracting crate cpp_to_rust_common 0.2.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cpp_to_rust_common 0.2.3 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpp_to_rust_common 0.2.3
[INFO] finished tweaking crates.io crate cpp_to_rust_common 0.2.3
[INFO] tweaked toml for crates.io crate cpp_to_rust_common 0.2.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cd0604dd01ac63cb62dd1eb7a779ac96144f16974ed2642af7ded7ae9b42b45
[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" "4cd0604dd01ac63cb62dd1eb7a779ac96144f16974ed2642af7ded7ae9b42b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd0604dd01ac63cb62dd1eb7a779ac96144f16974ed2642af7ded7ae9b42b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd0604dd01ac63cb62dd1eb7a779ac96144f16974ed2642af7ded7ae9b42b45", kill_on_drop: false }`
[INFO] [stdout] 4cd0604dd01ac63cb62dd1eb7a779ac96144f16974ed2642af7ded7ae9b42b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 697168bd26e2a3d3175c66152e0ae2760a38113fb4949cd0afa1e7cb19d062a9
[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" "697168bd26e2a3d3175c66152e0ae2760a38113fb4949cd0afa1e7cb19d062a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling bincode v0.7.0
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling cpp_to_rust_common v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/log.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | / lazy_static! {
[INFO] [stdout] 151 | |   pub static ref DEFAULT_LOGGER: Mutex<Logger> = Mutex::new(Logger::new());
[INFO] [stdout] 152 | |
[INFO] [stdout] 153 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |   foreign_links {
[INFO] [stdout] 10 | |     std::io::Error, IO;
[INFO] [stdout] 11 | |     ::regex::Error, Regex;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |   }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |   foreign_links {
[INFO] [stdout] 10 | |     std::io::Error, IO;
[INFO] [stdout] 11 | |     ::regex::Error, Regex;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |   }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/log.rs:129:11
[INFO] [stdout]     |
[INFO] [stdout] 129 |       let mut file = self.files.get_mut(&category).unwrap();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.49s
[INFO] running `Command { std: "docker" "inspect" "697168bd26e2a3d3175c66152e0ae2760a38113fb4949cd0afa1e7cb19d062a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697168bd26e2a3d3175c66152e0ae2760a38113fb4949cd0afa1e7cb19d062a9", kill_on_drop: false }`
[INFO] [stdout] 697168bd26e2a3d3175c66152e0ae2760a38113fb4949cd0afa1e7cb19d062a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1dd5ede01c08611221f967e6133bbfff1ca52e7235e0bb4b40fd8308d797ec5
[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" "e1dd5ede01c08611221f967e6133bbfff1ca52e7235e0bb4b40fd8308d797ec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_to_rust_common v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/log.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | / lazy_static! {
[INFO] [stdout] 151 | |   pub static ref DEFAULT_LOGGER: Mutex<Logger> = Mutex::new(Logger::new());
[INFO] [stdout] 152 | |
[INFO] [stdout] 153 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |   foreign_links {
[INFO] [stdout] 10 | |     std::io::Error, IO;
[INFO] [stdout] 11 | |     ::regex::Error, Regex;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |   }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |   foreign_links {
[INFO] [stdout] 10 | |     std::io::Error, IO;
[INFO] [stdout] 11 | |     ::regex::Error, Regex;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |   }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/log.rs:129:11
[INFO] [stdout]     |
[INFO] [stdout] 129 |       let mut file = self.files.get_mut(&category).unwrap();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/log.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | / lazy_static! {
[INFO] [stdout] 151 | |   pub static ref DEFAULT_LOGGER: Mutex<Logger> = Mutex::new(Logger::new());
[INFO] [stdout] 152 | |
[INFO] [stdout] 153 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |   foreign_links {
[INFO] [stdout] 10 | |     std::io::Error, IO;
[INFO] [stdout] 11 | |     ::regex::Error, Regex;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |   }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |   foreign_links {
[INFO] [stdout] 10 | |     std::io::Error, IO;
[INFO] [stdout] 11 | |     ::regex::Error, Regex;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |   }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/log.rs:129:11
[INFO] [stdout]     |
[INFO] [stdout] 129 |       let mut file = self.files.get_mut(&category).unwrap();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "e1dd5ede01c08611221f967e6133bbfff1ca52e7235e0bb4b40fd8308d797ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dd5ede01c08611221f967e6133bbfff1ca52e7235e0bb4b40fd8308d797ec5", kill_on_drop: false }`
[INFO] [stdout] e1dd5ede01c08611221f967e6133bbfff1ca52e7235e0bb4b40fd8308d797ec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] d27165f51d681100e7799329a657ca04077931c06209e2ed50d2bad8ec123484
[INFO] running `Command { std: "docker" "start" "-a" "d27165f51d681100e7799329a657ca04077931c06209e2ed50d2bad8ec123484", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/log.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | / lazy_static! {
[INFO] [stderr] 151 | |   pub static ref DEFAULT_LOGGER: Mutex<Logger> = Mutex::new(Logger::new());
[INFO] [stderr] 152 | |
[INFO] [stderr] 153 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |   foreign_links {
[INFO] [stderr] 10 | |     std::io::Error, IO;
[INFO] [stderr] 11 | |     ::regex::Error, Regex;
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |   }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |   foreign_links {
[INFO] [stderr] 10 | |     std::io::Error, IO;
[INFO] [stderr] 11 | |     ::regex::Error, Regex;
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |   }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/log.rs:129:11
[INFO] [stderr]     |
[INFO] [stderr] 129 |       let mut file = self.files.get_mut(&category).unwrap();
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/log.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | / lazy_static! {
[INFO] [stderr] 151 | |   pub static ref DEFAULT_LOGGER: Mutex<Logger> = Mutex::new(Logger::new());
[INFO] [stderr] 152 | |
[INFO] [stderr] 153 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |   foreign_links {
[INFO] [stderr] 10 | |     std::io::Error, IO;
[INFO] [stderr] 11 | |     ::regex::Error, Regex;
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |   }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |   foreign_links {
[INFO] [stderr] 10 | |     std::io::Error, IO;
[INFO] [stderr] 11 | |     ::regex::Error, Regex;
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |   }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/log.rs:129:11
[INFO] [stderr]     |
[INFO] [stderr] 129 |       let mut file = self.files.get_mut(&category).unwrap();
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cpp_to_rust_common-0bc3b0fa944274fc
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::utils::word_iterator ... ok
[INFO] [stdout] test tests::utils::word_iterator3 ... ok
[INFO] [stdout] test tests::utils::path_buf_with_added ... ok
[INFO] [stdout] test tests::utils::join ... ok
[INFO] [stdout] test tests::utils::word_iterator2 ... ok
[INFO] [stderr]    Doc-tests cpp_to_rust_common
[INFO] [stdout] test tests::utils::case_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "d27165f51d681100e7799329a657ca04077931c06209e2ed50d2bad8ec123484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d27165f51d681100e7799329a657ca04077931c06209e2ed50d2bad8ec123484", kill_on_drop: false }`
[INFO] [stdout] d27165f51d681100e7799329a657ca04077931c06209e2ed50d2bad8ec123484