[INFO] crate target_build_utils 0.3.1 is already in cache
[INFO] testing target_build_utils-0.3.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate target_build_utils 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate target_build_utils 0.3.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate target_build_utils 0.3.1
[INFO] finished tweaking crates.io crate target_build_utils 0.3.1
[INFO] tweaked toml for crates.io crate target_build_utils 0.3.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] cbb15429cdd0d280cd99e81a329e98ad98b2a41fbcef891b8fb7bbbfe4ef2d0c
[INFO] running `"docker" "start" "-a" "cbb15429cdd0d280cd99e81a329e98ad98b2a41fbcef891b8fb7bbbfe4ef2d0c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling target_build_utils v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let f = try!(File::open(path).map_err(|e| Error::Io(e)));
[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/lib.rs:153:34
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let json: s::Value = try!(s::from_reader(f).map_err(|_| Error::InvalidSpec));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:34
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 arch: Cow::Owned(try!(req("arch")).into()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:32
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 os: Cow::Owned(try!(req("os")).into()),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:162:36
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 endian: Cow::Owned(try!(req("target-endian")).into()),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 pointer_width: Cow::Owned(try!(req("target-pointer-width")).into()),
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |     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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:80:36
[INFO] [stderr]    |
[INFO] [stderr] 80 |             ref e => fmt.write_str(std::error::Error::description(e)),
[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/lib.rs:91:35
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Error::Io(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.08s
[INFO] running `"docker" "inspect" "cbb15429cdd0d280cd99e81a329e98ad98b2a41fbcef891b8fb7bbbfe4ef2d0c"`
[INFO] running `"docker" "rm" "-f" "cbb15429cdd0d280cd99e81a329e98ad98b2a41fbcef891b8fb7bbbfe4ef2d0c"`
[INFO] [stdout] cbb15429cdd0d280cd99e81a329e98ad98b2a41fbcef891b8fb7bbbfe4ef2d0c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 8feb0fc75fb0af84bc0388fefb7fb0252be0791da5bc62fc007f8aa3d0ce4089
[INFO] running `"docker" "start" "-a" "8feb0fc75fb0af84bc0388fefb7fb0252be0791da5bc62fc007f8aa3d0ce4089"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling target_build_utils v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let f = try!(File::open(path).map_err(|e| Error::Io(e)));
[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/lib.rs:153:34
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let json: s::Value = try!(s::from_reader(f).map_err(|_| Error::InvalidSpec));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:34
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 arch: Cow::Owned(try!(req("arch")).into()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:32
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 os: Cow::Owned(try!(req("os")).into()),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:162:36
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 endian: Cow::Owned(try!(req("target-endian")).into()),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 pointer_width: Cow::Owned(try!(req("target-pointer-width")).into()),
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |     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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:80:36
[INFO] [stderr]    |
[INFO] [stderr] 80 |             ref e => fmt.write_str(std::error::Error::description(e)),
[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/lib.rs:91:35
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Error::Io(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let f = try!(File::open(path).map_err(|e| Error::Io(e)));
[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/lib.rs:153:34
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let json: s::Value = try!(s::from_reader(f).map_err(|_| Error::InvalidSpec));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:34
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 arch: Cow::Owned(try!(req("arch")).into()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:32
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 os: Cow::Owned(try!(req("os")).into()),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:162:36
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 endian: Cow::Owned(try!(req("target-endian")).into()),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 pointer_width: Cow::Owned(try!(req("target-pointer-width")).into()),
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |     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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:80:36
[INFO] [stderr]    |
[INFO] [stderr] 80 |             ref e => fmt.write_str(std::error::Error::description(e)),
[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/lib.rs:91:35
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Error::Io(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "8feb0fc75fb0af84bc0388fefb7fb0252be0791da5bc62fc007f8aa3d0ce4089"`
[INFO] running `"docker" "rm" "-f" "8feb0fc75fb0af84bc0388fefb7fb0252be0791da5bc62fc007f8aa3d0ce4089"`
[INFO] [stdout] 8feb0fc75fb0af84bc0388fefb7fb0252be0791da5bc62fc007f8aa3d0ce4089
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3b5fbd3e52e46ecd3ea58e89adce4e6daee3a75715c6f1989ad095f5f7560540
[INFO] running `"docker" "start" "-a" "3b5fbd3e52e46ecd3ea58e89adce4e6daee3a75715c6f1989ad095f5f7560540"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let f = try!(File::open(path).map_err(|e| Error::Io(e)));
[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/lib.rs:153:34
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let json: s::Value = try!(s::from_reader(f).map_err(|_| Error::InvalidSpec));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:34
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 arch: Cow::Owned(try!(req("arch")).into()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:32
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 os: Cow::Owned(try!(req("os")).into()),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:162:36
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 endian: Cow::Owned(try!(req("target-endian")).into()),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 pointer_width: Cow::Owned(try!(req("target-pointer-width")).into()),
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |     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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:80:36
[INFO] [stderr]    |
[INFO] [stderr] 80 |             ref e => fmt.write_str(std::error::Error::description(e)),
[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/lib.rs:91:35
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Error::Io(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let f = try!(File::open(path).map_err(|e| Error::Io(e)));
[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/lib.rs:153:34
[INFO] [stderr]     |
[INFO] [stderr] 153 |             let json: s::Value = try!(s::from_reader(f).map_err(|_| Error::InvalidSpec));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:159:34
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 arch: Cow::Owned(try!(req("arch")).into()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:160:32
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 os: Cow::Owned(try!(req("os")).into()),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:162:36
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 endian: Cow::Owned(try!(req("target-endian")).into()),
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 pointer_width: Cow::Owned(try!(req("target-pointer-width")).into()),
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |     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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:80:36
[INFO] [stderr]    |
[INFO] [stderr] 80 |             ref e => fmt.write_str(std::error::Error::description(e)),
[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/lib.rs:91:35
[INFO] [stderr]    |
[INFO] [stderr] 91 |             Error::Io(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/target_build_utils-af82a0d346f9667b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::correct_os ... ok
[INFO] [stdout] test tests::correct_vendors ... ok
[INFO] [stdout] test tests::external_work ... ok
[INFO] [stdout] test tests::external_search_work ... ok
[INFO] [stdout] test tests::correct_env ... ok
[INFO] [stderr]    Doc-tests target_build_utils
[INFO] [stdout] test tests::correct_archs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - TargetInfo::from_str (line 142) ... ok
[INFO] [stdout] test src/lib.rs - TargetInfo::new (line 128) ... ok
[INFO] [stdout] test src/lib.rs -  (line 36) ... ok
[INFO] [stdout] test src/lib.rs - TargetInfo::target_cfg (line 255) ... ok
[INFO] [stdout] test src/lib.rs - TargetInfo::target_cfg_value (line 271) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3b5fbd3e52e46ecd3ea58e89adce4e6daee3a75715c6f1989ad095f5f7560540"`
[INFO] running `"docker" "rm" "-f" "3b5fbd3e52e46ecd3ea58e89adce4e6daee3a75715c6f1989ad095f5f7560540"`
[INFO] [stdout] 3b5fbd3e52e46ecd3ea58e89adce4e6daee3a75715c6f1989ad095f5f7560540