[INFO] crate rustc-serialize2 0.3.25 is already in cache
[INFO] extracting crate rustc-serialize2 0.3.25 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/rustc-serialize2/0.3.25
[INFO] extracting crate rustc-serialize2 0.3.25 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/rustc-serialize2/0.3.25
[INFO] validating manifest of rustc-serialize2-0.3.25 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustc-serialize2-0.3.25 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustc-serialize2-0.3.25
[INFO] finished frobbing rustc-serialize2-0.3.25
[INFO] frobbed toml for rustc-serialize2-0.3.25 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/rustc-serialize2/0.3.25/Cargo.toml
[INFO] started frobbing rustc-serialize2-0.3.25
[INFO] finished frobbing rustc-serialize2-0.3.25
[INFO] frobbed toml for rustc-serialize2-0.3.25 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/rustc-serialize2/0.3.25/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rustc-serialize2-0.3.25 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/rustc-serialize2/0.3.25:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2fa497c932fa86c0752faee6f8f06d97fec94f7b5712fe2ba851f8422596339c
[INFO] running `"docker" "start" "-a" "2fa497c932fa86c0752faee6f8f06d97fec94f7b5712fe2ba851f8422596339c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustc-serialize2 v0.3.25 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:417:32
[INFO] [stderr]     |
[INFO] [stderr] 417 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:473:24
[INFO] [stderr]     |
[INFO] [stderr] 473 | fn escape_str(wr: &mut fmt::Write, v: &str) -> EncodeResult<()> {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:535:29
[INFO] [stderr]     |
[INFO] [stderr] 535 | fn escape_char(writer: &mut fmt::Write, v: char) -> EncodeResult<()> {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:536:37
[INFO] [stderr]     |
[INFO] [stderr] 536 |     struct EscapeWriter<'a>(&'a mut fmt::Write);
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:553:20
[INFO] [stderr]     |
[INFO] [stderr] 553 | fn spaces(wr: &mut fmt::Write, n: u32) -> EncodeResult<()> {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:602:22
[INFO] [stderr]     |
[INFO] [stderr] 602 |     writer: &'a mut (fmt::Write+'a),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write+'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:610:39
[INFO] [stderr]     |
[INFO] [stderr] 610 |     pub fn new_pretty(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:623:32
[INFO] [stderr]     |
[INFO] [stderr] 623 |     pub fn new(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:984:34
[INFO] [stderr]     |
[INFO] [stderr] 984 |     pub fn from_reader(rdr: &mut io::Read) -> Result<Self, BuilderError> {
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1568:25
[INFO] [stderr]      |
[INFO] [stderr] 1568 |                     '0' ... '9' => return self.error(InvalidNumber),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1572:17
[INFO] [stderr]      |
[INFO] [stderr] 1572 |             '1' ... '9' => {
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1575:33
[INFO] [stderr]      |
[INFO] [stderr] 1575 |                         c @ '0' ... '9' => {
[INFO] [stderr]      |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1604:17
[INFO] [stderr]      |
[INFO] [stderr] 1604 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1612:25
[INFO] [stderr]      |
[INFO] [stderr] 1612 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1641:17
[INFO] [stderr]      |
[INFO] [stderr] 1641 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1646:25
[INFO] [stderr]      |
[INFO] [stderr] 1646 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1673:25
[INFO] [stderr]      |
[INFO] [stderr] 1673 |                 c @ '0' ... '9' => n * 16 + ((c as u16) - ('0' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1674:25
[INFO] [stderr]      |
[INFO] [stderr] 1674 |                 c @ 'a' ... 'f' => n * 16 + (10 + (c as u16) - ('a' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1675:25
[INFO] [stderr]      |
[INFO] [stderr] 1675 |                 c @ 'A' ... 'F' => n * 16 + (10 + (c as u16) - ('A' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1706:32
[INFO] [stderr]      |
[INFO] [stderr] 1706 |                         0xDC00 ... 0xDFFF => {
[INFO] [stderr]      |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1712:37
[INFO] [stderr]      |
[INFO] [stderr] 1712 |                         n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]      |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1942:17
[INFO] [stderr]      |
[INFO] [stderr] 1942 |             '0' ... '9' | '-' => self.parse_number(),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:45:24
[INFO] [stderr]     |
[INFO] [stderr] 45  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(ellipsis_inclusive_range_patterns)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:417:32
[INFO] [stderr]     |
[INFO] [stderr] 417 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:45:24
[INFO] [stderr]     |
[INFO] [stderr] 45  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:473:24
[INFO] [stderr]     |
[INFO] [stderr] 473 | fn escape_str(wr: &mut fmt::Write, v: &str) -> EncodeResult<()> {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:535:29
[INFO] [stderr]     |
[INFO] [stderr] 535 | fn escape_char(writer: &mut fmt::Write, v: char) -> EncodeResult<()> {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:536:37
[INFO] [stderr]     |
[INFO] [stderr] 536 |     struct EscapeWriter<'a>(&'a mut fmt::Write);
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:553:20
[INFO] [stderr]     |
[INFO] [stderr] 553 | fn spaces(wr: &mut fmt::Write, n: u32) -> EncodeResult<()> {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:602:22
[INFO] [stderr]     |
[INFO] [stderr] 602 |     writer: &'a mut (fmt::Write+'a),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write+'a`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:610:39
[INFO] [stderr]     |
[INFO] [stderr] 610 |     pub fn new_pretty(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:623:32
[INFO] [stderr]     |
[INFO] [stderr] 623 |     pub fn new(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:984:34
[INFO] [stderr]     |
[INFO] [stderr] 984 |     pub fn from_reader(rdr: &mut io::Read) -> Result<Self, BuilderError> {
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1568:25
[INFO] [stderr]      |
[INFO] [stderr] 1568 |                     '0' ... '9' => return self.error(InvalidNumber),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1572:17
[INFO] [stderr]      |
[INFO] [stderr] 1572 |             '1' ... '9' => {
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1575:33
[INFO] [stderr]      |
[INFO] [stderr] 1575 |                         c @ '0' ... '9' => {
[INFO] [stderr]      |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1604:17
[INFO] [stderr]      |
[INFO] [stderr] 1604 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1612:25
[INFO] [stderr]      |
[INFO] [stderr] 1612 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1641:17
[INFO] [stderr]      |
[INFO] [stderr] 1641 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1646:25
[INFO] [stderr]      |
[INFO] [stderr] 1646 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1673:25
[INFO] [stderr]      |
[INFO] [stderr] 1673 |                 c @ '0' ... '9' => n * 16 + ((c as u16) - ('0' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1674:25
[INFO] [stderr]      |
[INFO] [stderr] 1674 |                 c @ 'a' ... 'f' => n * 16 + (10 + (c as u16) - ('a' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1675:25
[INFO] [stderr]      |
[INFO] [stderr] 1675 |                 c @ 'A' ... 'F' => n * 16 + (10 + (c as u16) - ('A' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1706:32
[INFO] [stderr]      |
[INFO] [stderr] 1706 |                         0xDC00 ... 0xDFFF => {
[INFO] [stderr]      |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1712:37
[INFO] [stderr]      |
[INFO] [stderr] 1712 |                         n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]      |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1942:17
[INFO] [stderr]      |
[INFO] [stderr] 1942 |             '0' ... '9' | '-' => self.parse_number(),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 25 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustc-serialize2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2fa497c932fa86c0752faee6f8f06d97fec94f7b5712fe2ba851f8422596339c"`
[INFO] running `"docker" "rm" "-f" "2fa497c932fa86c0752faee6f8f06d97fec94f7b5712fe2ba851f8422596339c"`
[INFO] [stdout] 2fa497c932fa86c0752faee6f8f06d97fec94f7b5712fe2ba851f8422596339c