[INFO] cloning repository https://github.com/BurntSushi/rust-error-handling-case-study
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BurntSushi/rust-error-handling-case-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Frust-error-handling-case-study"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Frust-error-handling-case-study'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e2af66c6aa41387c578303253e6fac30b679d1d
[INFO] testing BurntSushi/rust-error-handling-case-study against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Frust-error-handling-case-study" "/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/BurntSushi/rust-error-handling-case-study on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/BurntSushi/rust-error-handling-case-study
[INFO] finished tweaking git repo https://github.com/BurntSushi/rust-error-handling-case-study
[INFO] tweaked toml for git repo https://github.com/BurntSushi/rust-error-handling-case-study written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/BurntSushi/rust-error-handling-case-study already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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" "+1.44.0" "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] d38f0b9e8822ebcb6e2b8745d089503f165dd9c1ec6ab54ba5a4fe1b63356b4c
[INFO] running `"docker" "start" "-a" "d38f0b9e8822ebcb6e2b8745d089503f165dd9c1ec6ab54ba5a4fe1b63356b4c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling city-pop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:102:41
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Some(ref file_path) => Box::new(try!(fs::File::open(file_path))),
[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/main.rs:106:19
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let row = try!(row);
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let input: Box<io::Read> = match *file_path {
[INFO] [stderr]     |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/main.rs:77:42
[INFO] [stderr]    |
[INFO] [stderr] 77 |             CliError::Io(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/main.rs:78:43
[INFO] [stderr]    |
[INFO] [stderr] 78 |             CliError::Csv(ref err) => err.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.93s
[INFO] running `"docker" "inspect" "d38f0b9e8822ebcb6e2b8745d089503f165dd9c1ec6ab54ba5a4fe1b63356b4c"`
[INFO] running `"docker" "rm" "-f" "d38f0b9e8822ebcb6e2b8745d089503f165dd9c1ec6ab54ba5a4fe1b63356b4c"`
[INFO] [stdout] d38f0b9e8822ebcb6e2b8745d089503f165dd9c1ec6ab54ba5a4fe1b63356b4c
[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" "+1.44.0" "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] 021d594e9a809a3d44956b73751487d753f043f94dc91e15c658da0d7b795b42
[INFO] running `"docker" "start" "-a" "021d594e9a809a3d44956b73751487d753f043f94dc91e15c658da0d7b795b42"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling city-pop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:102:41
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Some(ref file_path) => Box::new(try!(fs::File::open(file_path))),
[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/main.rs:106:19
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let row = try!(row);
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let input: Box<io::Read> = match *file_path {
[INFO] [stderr]     |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/main.rs:77:42
[INFO] [stderr]    |
[INFO] [stderr] 77 |             CliError::Io(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/main.rs:78:43
[INFO] [stderr]    |
[INFO] [stderr] 78 |             CliError::Csv(ref err) => err.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "021d594e9a809a3d44956b73751487d753f043f94dc91e15c658da0d7b795b42"`
[INFO] running `"docker" "rm" "-f" "021d594e9a809a3d44956b73751487d753f043f94dc91e15c658da0d7b795b42"`
[INFO] [stdout] 021d594e9a809a3d44956b73751487d753f043f94dc91e15c658da0d7b795b42
[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" "+1.44.0" "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] ed89cb40f7fd565c15f5cc42752f7fbc1a963ea3c63def820f6d20bfb90b13b3
[INFO] running `"docker" "start" "-a" "ed89cb40f7fd565c15f5cc42752f7fbc1a963ea3c63def820f6d20bfb90b13b3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:102:41
[INFO] [stderr]     |
[INFO] [stderr] 102 |         Some(ref file_path) => Box::new(try!(fs::File::open(file_path))),
[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/main.rs:106:19
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let row = try!(row);
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let input: Box<io::Read> = match *file_path {
[INFO] [stderr]     |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/main.rs:77:42
[INFO] [stderr]    |
[INFO] [stderr] 77 |             CliError::Io(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/main.rs:78:43
[INFO] [stderr]    |
[INFO] [stderr] 78 |             CliError::Csv(ref err) => err.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/city_pop-aa52f7bd54e04bc7
[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" "ed89cb40f7fd565c15f5cc42752f7fbc1a963ea3c63def820f6d20bfb90b13b3"`
[INFO] running `"docker" "rm" "-f" "ed89cb40f7fd565c15f5cc42752f7fbc1a963ea3c63def820f6d20bfb90b13b3"`
[INFO] [stdout] ed89cb40f7fd565c15f5cc42752f7fbc1a963ea3c63def820f6d20bfb90b13b3