[INFO] crate build_metadata 0.1.0 is already in cache
[INFO] testing build_metadata-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate build_metadata 0.1.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate build_metadata 0.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate build_metadata 0.1.0
[INFO] finished tweaking crates.io crate build_metadata 0.1.0
[INFO] tweaked toml for crates.io crate build_metadata 0.1.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] daa95f13260f3f04f6bc4d9ecedf6422a88a2b817795f96d24da628d32e3ee61
[INFO] running `"docker" "start" "-a" "daa95f13260f3f04f6bc4d9ecedf6422a88a2b817795f96d24da628d32e3ee61"`
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling libgit2-sys v0.4.6
[INFO] [stderr]    Compiling git2 v0.4.4
[INFO] [stderr]    Compiling build_metadata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> src/lib.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 | use syntax::codemap::Span;
[INFO] [stderr]    |             ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `syntax::ext::build::AstBuilder`
[INFO] [stderr]   --> src/lib.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | use syntax::ext::build::AstBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:52:72
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn commit<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MacResult + 'a`
[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/lib.rs:59:70
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn head<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stderr]    |                                                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MacResult + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:66:78
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn current_time<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn MacResult + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / lazy_static! {
[INFO] [stderr] 42 | |     static ref METADATA: Metadata = Metadata::new();
[INFO] [stderr] 43 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `build_metadata`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "daa95f13260f3f04f6bc4d9ecedf6422a88a2b817795f96d24da628d32e3ee61"`
[INFO] running `"docker" "rm" "-f" "daa95f13260f3f04f6bc4d9ecedf6422a88a2b817795f96d24da628d32e3ee61"`
[INFO] [stdout] daa95f13260f3f04f6bc4d9ecedf6422a88a2b817795f96d24da628d32e3ee61