[INFO] crate rust_erl_ext 0.2.1 is already in cache
[INFO] extracting crate rust_erl_ext 0.2.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rust_erl_ext/0.2.1
[INFO] extracting crate rust_erl_ext 0.2.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust_erl_ext/0.2.1
[INFO] validating manifest of rust_erl_ext-0.2.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust_erl_ext-0.2.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust_erl_ext-0.2.1
[INFO] finished frobbing rust_erl_ext-0.2.1
[INFO] frobbed toml for rust_erl_ext-0.2.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rust_erl_ext/0.2.1/Cargo.toml
[INFO] started frobbing rust_erl_ext-0.2.1
[INFO] finished frobbing rust_erl_ext-0.2.1
[INFO] frobbed toml for rust_erl_ext-0.2.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust_erl_ext/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking rust_erl_ext-0.2.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust_erl_ext/0.2.1:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0607bbfba24d328994e17968397fb680990b06b6b652af8e355e7e52413c7122
[INFO] running `"docker" "start" "-a" "0607bbfba24d328994e17968397fb680990b06b6b652af8e355e7e52413c7122"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/erl_ext.rs` was erroneously implicitly accepted for library `erl_ext`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Checking rust_erl_ext v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Error` in `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:185:24
[INFO] [stderr]     |
[INFO] [stderr] 185 |             byteorder::Error::Io(ioe) => Error::Io(ioe),
[INFO] [stderr]     |                        ^^^^^ could not find `Error` in `byteorder`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Error` in `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:186:24
[INFO] [stderr]     |
[INFO] [stderr] 186 |             byteorder::Error::UnexpectedEOF => Error::ByteorderUnexpectedEOF
[INFO] [stderr]     |                        ^^^^^ could not find `Error` in `byteorder`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:182:22
[INFO] [stderr]     |
[INFO] [stderr] 182 | impl From<byteorder::Error> for Error {
[INFO] [stderr]     |                      ^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:183:30
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn from (err: byteorder::Error) -> Error {
[INFO] [stderr]     |                              ^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:324:59
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn _decode_small_tuple_arity(&mut self) -> byteorder::Result<u8> {
[INFO] [stderr]     |                                                           ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:337:59
[INFO] [stderr]     |
[INFO] [stderr] 337 |     fn _decode_large_tuple_arity(&mut self) -> byteorder::Result<u32> {
[INFO] [stderr]     |                                                           ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:350:51
[INFO] [stderr]     |
[INFO] [stderr] 350 |     fn _decode_map_arity(&mut self) -> byteorder::Result<u32> {
[INFO] [stderr]     |                                                   ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:371:50
[INFO] [stderr]     |
[INFO] [stderr] 371 |     fn _decode_list_len(&mut self) -> byteorder::Result<u32> {
[INFO] [stderr]     |                                                  ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/erl_ext.rs:200:32
[INFO] [stderr]     |
[INFO] [stderr] 200 |     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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/erl_ext.rs:575:20
[INFO] [stderr]     |
[INFO] [stderr] 575 |     wrtr: &'a mut (io::Write + 'a),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/erl_ext.rs:586:32
[INFO] [stderr]     |
[INFO] [stderr] 586 |     pub fn new(writer: &'a mut io::Write, utf8_atoms: bool, small_atoms: bool, fair_new_fun: bool) -> Encoder<'a> {
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Error` in `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:185:24
[INFO] [stderr]     |
[INFO] [stderr] 185 |             byteorder::Error::Io(ioe) => Error::Io(ioe),
[INFO] [stderr]     |                        ^^^^^ could not find `Error` in `byteorder`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Error` in `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:186:24
[INFO] [stderr]     |
[INFO] [stderr] 186 |             byteorder::Error::UnexpectedEOF => Error::ByteorderUnexpectedEOF
[INFO] [stderr]     |                        ^^^^^ could not find `Error` in `byteorder`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:182:22
[INFO] [stderr]     |
[INFO] [stderr] 182 | impl From<byteorder::Error> for Error {
[INFO] [stderr]     |                      ^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Error` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:183:30
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn from (err: byteorder::Error) -> Error {
[INFO] [stderr]     |                              ^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::error::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Error;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Error;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:324:59
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn _decode_small_tuple_arity(&mut self) -> byteorder::Result<u8> {
[INFO] [stderr]     |                                                           ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:337:59
[INFO] [stderr]     |
[INFO] [stderr] 337 |     fn _decode_large_tuple_arity(&mut self) -> byteorder::Result<u32> {
[INFO] [stderr]     |                                                           ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:350:51
[INFO] [stderr]     |
[INFO] [stderr] 350 |     fn _decode_map_arity(&mut self) -> byteorder::Result<u32> {
[INFO] [stderr]     |                                                   ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Result` in crate `byteorder`
[INFO] [stderr]    --> src/erl_ext.rs:371:50
[INFO] [stderr]     |
[INFO] [stderr] 371 |     fn _decode_list_len(&mut self) -> byteorder::Result<u32> {
[INFO] [stderr]     |                                                  ^^^^^^ not found in `byteorder`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::fmt::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::prelude::v1::Result;
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::result::Result;
[INFO] [stderr]     |
[INFO] [stderr] and 1 other candidates
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/erl_ext.rs:200:32
[INFO] [stderr]     |
[INFO] [stderr] 200 |     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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/erl_ext.rs:575:20
[INFO] [stderr]     |
[INFO] [stderr] 575 |     wrtr: &'a mut (io::Write + 'a),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/erl_ext.rs:586:32
[INFO] [stderr]     |
[INFO] [stderr] 586 |     pub fn new(writer: &'a mut io::Write, utf8_atoms: bool, small_atoms: bool, fair_new_fun: bool) -> Encoder<'a> {
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/erl_ext.rs:202:39
[INFO] [stderr]     |
[INFO] [stderr] 202 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/erl_ext.rs:202:39
[INFO] [stderr]     |
[INFO] [stderr] 202 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::FromPrimitive`
[INFO] [stderr]   --> src/erl_ext.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use num::FromPrimitive;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `rust_erl_ext`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `num::FromPrimitive`
[INFO] [stderr]   --> src/erl_ext.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use num::FromPrimitive;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `rust_erl_ext`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0607bbfba24d328994e17968397fb680990b06b6b652af8e355e7e52413c7122"`
[INFO] running `"docker" "rm" "-f" "0607bbfba24d328994e17968397fb680990b06b6b652af8e355e7e52413c7122"`
[INFO] [stdout] 0607bbfba24d328994e17968397fb680990b06b6b652af8e355e7e52413c7122