[INFO] fetching crate cpp_to_rust_common 0.2.3...
[INFO] testing cpp_to_rust_common-0.2.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate cpp_to_rust_common 0.2.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cpp_to_rust_common 0.2.3 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 2be218801415df21224b57fab83b6437f85044c36bd9310c8522eab6ff14e160
[INFO] running `Command { std: "docker" "start" "-a" "2be218801415df21224b57fab83b6437f85044c36bd9310c8522eab6ff14e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2be218801415df21224b57fab83b6437f85044c36bd9310c8522eab6ff14e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be218801415df21224b57fab83b6437f85044c36bd9310c8522eab6ff14e160", kill_on_drop: false }`
[INFO] [stdout] 2be218801415df21224b57fab83b6437f85044c36bd9310c8522eab6ff14e160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] d4b72dfa14837167be628bf7ce5ac6cf0cb47835a1203f9db307b4350dcaa552
[INFO] running `Command { std: "docker" "start" "-a" "d4b72dfa14837167be628bf7ce5ac6cf0cb47835a1203f9db307b4350dcaa552", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling bincode v0.7.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling cpp_to_rust_common v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `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 associated function `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 associated function `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 47.24s
[INFO] running `Command { std: "docker" "inspect" "d4b72dfa14837167be628bf7ce5ac6cf0cb47835a1203f9db307b4350dcaa552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b72dfa14837167be628bf7ce5ac6cf0cb47835a1203f9db307b4350dcaa552", kill_on_drop: false }`
[INFO] [stdout] d4b72dfa14837167be628bf7ce5ac6cf0cb47835a1203f9db307b4350dcaa552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 098712927de4df33dba172f2763d4379f1c41b9b44abe9b9aa7116a5117f6a1f
[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" "098712927de4df33dba172f2763d4379f1c41b9b44abe9b9aa7116a5117f6a1f", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated constant `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 associated function `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 associated function `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] [stderr]    Compiling cpp_to_rust_common v0.2.3 (/opt/rustwide/workdir)
[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 constant `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 associated function `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 associated function `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 2.99s
[INFO] running `Command { std: "docker" "inspect" "098712927de4df33dba172f2763d4379f1c41b9b44abe9b9aa7116a5117f6a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "098712927de4df33dba172f2763d4379f1c41b9b44abe9b9aa7116a5117f6a1f", kill_on_drop: false }`
[INFO] [stdout] 098712927de4df33dba172f2763d4379f1c41b9b44abe9b9aa7116a5117f6a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8bcadc7648f48211a600c854207260de7201a041daa503145d89aef57a57cd5
[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" "c8bcadc7648f48211a600c854207260de7201a041daa503145d89aef57a57cd5", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `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 associated function `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 associated function `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 constant `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 associated function `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 associated function `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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cpp_to_rust_common-d765ba5f840f8411
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests cpp_to_rust_common
[INFO] [stdout] test tests::utils::case_operations ... ok
[INFO] [stdout] test tests::utils::join ... ok
[INFO] [stdout] test tests::utils::word_iterator ... ok
[INFO] [stdout] test tests::utils::path_buf_with_added ... ok
[INFO] [stdout] test tests::utils::word_iterator2 ... ok
[INFO] [stdout] test tests::utils::word_iterator3 ... 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" "c8bcadc7648f48211a600c854207260de7201a041daa503145d89aef57a57cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8bcadc7648f48211a600c854207260de7201a041daa503145d89aef57a57cd5", kill_on_drop: false }`
[INFO] [stdout] c8bcadc7648f48211a600c854207260de7201a041daa503145d89aef57a57cd5