[INFO] updating cached repository https://github.com/sandhose/rust-todo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c058b04a64b0b8433d51d8a6c70e71a046369fb9
[INFO] testing sandhose/rust-todo against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandhose%2Frust-todo" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sandhose/rust-todo 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 git repo https://github.com/sandhose/rust-todo
[INFO] finished tweaking git repo https://github.com/sandhose/rust-todo
[INFO] tweaked toml for git repo https://github.com/sandhose/rust-todo written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sandhose/rust-todo already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 97a5309cf5c1de447ea5b057f3bbba673b4709551bb87675b922f87bc0761ef1
[INFO] running `"docker" "start" "-a" "97a5309cf5c1de447ea5b057f3bbba673b4709551bb87675b922f87bc0761ef1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling xdg v2.0.0
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling clap v2.18.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/todo/list.rs:83:24
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut file = try!(File::open(path).map_err(Error::IOError));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/todo/list.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(file.read_to_string(&mut r).map_err(Error::IOError));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut file: File = try!(File::create(path).map_err(Error::IOError));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.encode(&mut encoder).map_err(Error::EncodeError));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:117:20
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let path = try!(Self::get_default_path());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/todo/list.rs:161:32
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:150:57
[INFO] [stderr]     |
[INFO] [stderr] 150 |             Error::BaseDirectoriesError(ref err) => err.description(),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:151:48
[INFO] [stderr]     |
[INFO] [stderr] 151 |             Error::DecodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:152:48
[INFO] [stderr]     |
[INFO] [stderr] 152 |             Error::EncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:153:44
[INFO] [stderr]     |
[INFO] [stderr] 153 |             Error::IOError(ref err) => err.description(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:155:47
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 Some(&(_, _, ref err)) => err.description(),
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/todo/list.rs:167:90
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Error::ParserError(ref errs) => errs.first().and_then(|&(_, _, ref err)| err.cause()),
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_todo`
[INFO] [stderr]   --> src/todo/list.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn find_todo(&self, todo: &Todo) -> Option<usize> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]    --> src/todo/list.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn load() -> Result<Self, Error> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save`
[INFO] [stderr]    --> src/todo/list.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn save(&self) -> Result<(), Error> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `"docker" "inspect" "97a5309cf5c1de447ea5b057f3bbba673b4709551bb87675b922f87bc0761ef1"`
[INFO] running `"docker" "rm" "-f" "97a5309cf5c1de447ea5b057f3bbba673b4709551bb87675b922f87bc0761ef1"`
[INFO] [stdout] 97a5309cf5c1de447ea5b057f3bbba673b4709551bb87675b922f87bc0761ef1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 152a86653586655339dcc638b67c955127db4a54ef8a86b7128b778aaeca60ba
[INFO] running `"docker" "start" "-a" "152a86653586655339dcc638b67c955127db4a54ef8a86b7128b778aaeca60ba"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/todo/list.rs:83:24
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut file = try!(File::open(path).map_err(Error::IOError));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/todo/list.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(file.read_to_string(&mut r).map_err(Error::IOError));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut file: File = try!(File::create(path).map_err(Error::IOError));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.encode(&mut encoder).map_err(Error::EncodeError));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:117:20
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let path = try!(Self::get_default_path());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/todo/list.rs:161:32
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:150:57
[INFO] [stderr]     |
[INFO] [stderr] 150 |             Error::BaseDirectoriesError(ref err) => err.description(),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:151:48
[INFO] [stderr]     |
[INFO] [stderr] 151 |             Error::DecodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:152:48
[INFO] [stderr]     |
[INFO] [stderr] 152 |             Error::EncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:153:44
[INFO] [stderr]     |
[INFO] [stderr] 153 |             Error::IOError(ref err) => err.description(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:155:47
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 Some(&(_, _, ref err)) => err.description(),
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/todo/list.rs:167:90
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Error::ParserError(ref errs) => errs.first().and_then(|&(_, _, ref err)| err.cause()),
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_todo`
[INFO] [stderr]   --> src/todo/list.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn find_todo(&self, todo: &Todo) -> Option<usize> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]    --> src/todo/list.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn load() -> Result<Self, Error> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save`
[INFO] [stderr]    --> src/todo/list.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn save(&self) -> Result<(), Error> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `"docker" "inspect" "152a86653586655339dcc638b67c955127db4a54ef8a86b7128b778aaeca60ba"`
[INFO] running `"docker" "rm" "-f" "152a86653586655339dcc638b67c955127db4a54ef8a86b7128b778aaeca60ba"`
[INFO] [stdout] 152a86653586655339dcc638b67c955127db4a54ef8a86b7128b778aaeca60ba
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d02be279f27b234b6c37245940ddccea97f927e797c90a9801f03b3ad02ee45b
[INFO] running `"docker" "start" "-a" "d02be279f27b234b6c37245940ddccea97f927e797c90a9801f03b3ad02ee45b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/todo/list.rs:83:24
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let mut file = try!(File::open(path).map_err(Error::IOError));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/todo/list.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         try!(file.read_to_string(&mut r).map_err(Error::IOError));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut file: File = try!(File::create(path).map_err(Error::IOError));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         try!(self.encode(&mut encoder).map_err(Error::EncodeError));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/todo/list.rs:117:20
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let path = try!(Self::get_default_path());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/todo/list.rs:161:32
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:150:57
[INFO] [stderr]     |
[INFO] [stderr] 150 |             Error::BaseDirectoriesError(ref err) => err.description(),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:151:48
[INFO] [stderr]     |
[INFO] [stderr] 151 |             Error::DecodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:152:48
[INFO] [stderr]     |
[INFO] [stderr] 152 |             Error::EncodeError(ref err) => err.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:153:44
[INFO] [stderr]     |
[INFO] [stderr] 153 |             Error::IOError(ref err) => err.description(),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/todo/list.rs:155:47
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 Some(&(_, _, ref err)) => err.description(),
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/todo/list.rs:167:90
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Error::ParserError(ref errs) => errs.first().and_then(|&(_, _, ref err)| err.cause()),
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_todo`
[INFO] [stderr]   --> src/todo/list.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn find_todo(&self, todo: &Todo) -> Option<usize> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `load`
[INFO] [stderr]    --> src/todo/list.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn load() -> Result<Self, Error> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save`
[INFO] [stderr]    --> src/todo/list.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn save(&self) -> Result<(), Error> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/todo-270ca4e1c3bb3bca
[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" "d02be279f27b234b6c37245940ddccea97f927e797c90a9801f03b3ad02ee45b"`
[INFO] running `"docker" "rm" "-f" "d02be279f27b234b6c37245940ddccea97f927e797c90a9801f03b3ad02ee45b"`
[INFO] [stdout] d02be279f27b234b6c37245940ddccea97f927e797c90a9801f03b3ad02ee45b