[INFO] fetching crate quick-csv 0.1.6...
[INFO] testing quick-csv-0.1.6 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate quick-csv 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate quick-csv 0.1.6 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 quick-csv 0.1.6
[INFO] finished tweaking crates.io crate quick-csv 0.1.6
[INFO] tweaked toml for crates.io crate quick-csv 0.1.6 written to /workspace/builds/worker-2/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] 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] dd301387270690ac8e12cc8ce8fe9d0adfdb72e7759df71b5f4c474221ae43d3
[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" "dd301387270690ac8e12cc8ce8fe9d0adfdb72e7759df71b5f4c474221ae43d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd301387270690ac8e12cc8ce8fe9d0adfdb72e7759df71b5f4c474221ae43d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd301387270690ac8e12cc8ce8fe9d0adfdb72e7759df71b5f4c474221ae43d3", kill_on_drop: false }`
[INFO] [stdout] dd301387270690ac8e12cc8ce8fe9d0adfdb72e7759df71b5f4c474221ae43d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 9e79d455309f2b7f995870d9feb819bab47113418b7d3ebdabf59b16a9b48358
[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" "9e79d455309f2b7f995870d9feb819bab47113418b7d3ebdabf59b16a9b48358", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling quick-csv v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:140:19
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let col = try!(self.next().ok_or(Error::EOL));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let i = try!(self
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let col = try!(self.peek().ok_or(Error::EOL));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:37
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let reader = BufReader::new(try!(File::open(path)));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let mut columns = try!(self.columns());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     if try!(reader.fill_buf()).starts_with(UTF8_BOM) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "9e79d455309f2b7f995870d9feb819bab47113418b7d3ebdabf59b16a9b48358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e79d455309f2b7f995870d9feb819bab47113418b7d3ebdabf59b16a9b48358", kill_on_drop: false }`
[INFO] [stdout] 9e79d455309f2b7f995870d9feb819bab47113418b7d3ebdabf59b16a9b48358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e9e15ab3857ffb62bb5d755f032f7e622470342805b66b2bea8b2732f52323e
[INFO] running `Command { std: "docker" "start" "-a" "5e9e15ab3857ffb62bb5d755f032f7e622470342805b66b2bea8b2732f52323e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-csv v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:140:19
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let col = try!(self.next().ok_or(Error::EOL));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let i = try!(self
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let col = try!(self.peek().ok_or(Error::EOL));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:37
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let reader = BufReader::new(try!(File::open(path)));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let mut columns = try!(self.columns());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     if try!(reader.fill_buf()).starts_with(UTF8_BOM) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:140:19
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let col = try!(self.next().ok_or(Error::EOL));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let i = try!(self
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/columns.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let col = try!(self.peek().ok_or(Error::EOL));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/test.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 | decodes_to!(decode_char, "a", (char), vec![('a')]);
[INFO] [stdout]     |                               ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:190:37
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let reader = BufReader::new(try!(File::open(path)));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:265:27
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let mut columns = try!(self.columns());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     if try!(reader.fill_buf()).starts_with(UTF8_BOM) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "5e9e15ab3857ffb62bb5d755f032f7e622470342805b66b2bea8b2732f52323e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9e15ab3857ffb62bb5d755f032f7e622470342805b66b2bea8b2732f52323e", kill_on_drop: false }`
[INFO] [stdout] 5e9e15ab3857ffb62bb5d755f032f7e622470342805b66b2bea8b2732f52323e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8902d95ae6fb8342c2a5c63e7e414e3c8d09235063bd6bbeaee170bd1dbe67b9
[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" "8902d95ae6fb8342c2a5c63e7e414e3c8d09235063bd6bbeaee170bd1dbe67b9", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/columns.rs:140:19
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let col = try!(self.next().ok_or(Error::EOL));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/columns.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let i = try!(self
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/columns.rs:204:19
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let col = try!(self.peek().ok_or(Error::EOL));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:37
[INFO] [stderr]     |
[INFO] [stderr] 190 |         let reader = BufReader::new(try!(File::open(path)));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:265:27
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let mut columns = try!(self.columns());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:377:8
[INFO] [stderr]     |
[INFO] [stderr] 377 |     if try!(reader.fill_buf()).starts_with(UTF8_BOM) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/columns.rs:140:19
[INFO] [stderr]     |
[INFO] [stderr] 140 |         let col = try!(self.next().ok_or(Error::EOL));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/columns.rs:155:17
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let i = try!(self
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/columns.rs:204:19
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let col = try!(self.peek().ok_or(Error::EOL));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/test.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 | decodes_to!(decode_char, "a", (char), vec![('a')]);
[INFO] [stderr]     |                               ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:190:37
[INFO] [stderr]     |
[INFO] [stderr] 190 |         let reader = BufReader::new(try!(File::open(path)));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:265:27
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let mut columns = try!(self.columns());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:377:8
[INFO] [stderr]     |
[INFO] [stderr] 377 |     if try!(reader.fill_buf()).starts_with(UTF8_BOM) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quick_csv-fc8255e2c081a29e
[INFO] [stdout] 
[INFO] [stdout] running 58 tests
[INFO] [stdout] test test::decode_char ... ok
[INFO] [stdout] test test::decode_many_int ... ok
[INFO] [stdout] test test::byte_strings_invalid_utf8 ... ok
[INFO] [stdout] test test::byte_strings ... ok
[INFO] [stdout] test test::decode_opt_empty ... ok
[INFO] [stdout] test test::decode_opt_float ... ok
[INFO] [stdout] test test::decode_opt_int ... ok
[INFO] [stdout] test test::decode_float ... ok
[INFO] [stdout] test test::decode_myenum ... ok
[INFO] [stdout] test test::decode_opt_char ... ok
[INFO] [stdout] test test::decode_opt_val ... ok
[INFO] [stdout] test test::headers_absent ... ok
[INFO] [stdout] test test::decode_tail ... ok
[INFO] [stdout] test test::empty_string_headers ... ok
[INFO] [stdout] test test::flexible_rows ... ok
[INFO] [stdout] test test::delimiter_weird ... ok
[INFO] [stdout] test test::empty_string_no_headers ... ok
[INFO] [stdout] test test::decode_int ... ok
[INFO] [stdout] test test::flexible_rows2 ... ok
[INFO] [stdout] test test::empty_lines ... ok
[INFO] [stdout] test test::many_rows_one_field_crlf ... ok
[INFO] [stdout] test test::many_rows_one_field_lf ... ok
[INFO] [stdout] test test::many_rows_trailing_comma ... ok
[INFO] [stdout] test test::no_headers_first_record ... ok
[INFO] [stdout] test test::no_headers_no_skip_one_record ... ok
[INFO] [stdout] test test::many_rows_many_fields_lf ... ok
[INFO] [stdout] test test::many_rows_trailing_comma_crlf ... ok
[INFO] [stdout] test test::many_rows_one_field ... ok
[INFO] [stdout] test test::delimiter_tabs ... ok
[INFO] [stdout] test test::one_row_many_fields ... ok
[INFO] [stdout] test test::no_headers_no_skip ... ok
[INFO] [stdout] test test::many_rows_trailing_comma_lf ... ok
[INFO] [stdout] test test::one_row_one_field_cr ... ok
[INFO] [stdout] test test::one_row_many_fields_lf ... ok
[INFO] [stdout] test test::one_row_one_field_lf ... ok
[INFO] [stdout] test test::one_row_one_field_crlf ... ok
[INFO] [stdout] test test::one_row_many_fields_crlf ... ok
[INFO] [stdout] test test::one_row_trailing_comma ... ok
[INFO] [stdout] test test::one_row_trailing_comma_cr ... ok
[INFO] [stdout] test test::one_row_trailing_comma_crlf ... ok
[INFO] [stdout] test test::one_row_trailing_comma_lf ... ok
[INFO] [stdout] test test::quote_empty ... ok
[INFO] [stdout] test test::quote_inner_quote ... ok
[INFO] [stdout] test test::quote_inner_space ... ok
[INFO] [stdout] test test::quote_lf ... ok
[INFO] [stdout] test test::quote_space ... ok
[INFO] [stdout] test test::seeking ... ok
[INFO] [stdout] test test::utf8_bom_quotes ... ok
[INFO] [stdout] test test::decode_str ... ok
[INFO] [stdout] test test::many_rows_many_fields ... ok
[INFO] [stdout] test test::many_rows_many_fields_crlf ... ok
[INFO] [stdout] test test::one_row_many_fields_cr ... ok
[INFO] [stdout] test test::one_row_one_field ... ok
[INFO] [stdout] test test::inner_quote_without_quoted_column ... ok
[INFO] [stdout] test test::nonflexible ... ok
[INFO] [stdout] test test::invalid_utf8 ... ok
[INFO] [stdout] test test::nonflexible2 ... ok
[INFO] [stdout] test test::quote_outer_space ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 58 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quick-csv
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - Csv (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8902d95ae6fb8342c2a5c63e7e414e3c8d09235063bd6bbeaee170bd1dbe67b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8902d95ae6fb8342c2a5c63e7e414e3c8d09235063bd6bbeaee170bd1dbe67b9", kill_on_drop: false }`
[INFO] [stdout] 8902d95ae6fb8342c2a5c63e7e414e3c8d09235063bd6bbeaee170bd1dbe67b9