[INFO] crate nu 0.2.0 is already in cache
[INFO] testing nu-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate nu 0.2.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate nu 0.2.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nu 0.2.0
[INFO] finished tweaking crates.io crate nu 0.2.0
[INFO] tweaked toml for crates.io crate nu 0.2.0 written to work/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate nu 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 919d1c1b1e8fbd545d7c75ba3c9cd632a3e057582818a2d7c3401f7af491042b
[INFO] running `"docker" "start" "-a" "919d1c1b1e8fbd545d7c75ba3c9cd632a3e057582818a2d7c3401f7af491042b"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling heim-common v0.0.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling safemem v0.3.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling heim-host v0.0.6
[INFO] [stderr]    Compiling static_assertions v0.3.3
[INFO] [stderr]    Compiling sysinfo v0.9.1
[INFO] [stderr]    Compiling platforms v0.2.0
[INFO] [stderr]    Compiling battery v0.7.4
[INFO] [stderr]    Compiling macaddr v0.1.1
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling encode_unicode v0.3.5
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling dunce v1.0.0
[INFO] [stderr]    Compiling byte-unit v3.0.1
[INFO] [stderr]    Compiling pretty-hex v0.1.0
[INFO] [stderr]    Compiling enum_derive v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.12.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling roxmltree v0.7.0
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]    Compiling enum-utils-from-str v0.1.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling crossterm_utils v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling subprocess v0.1.18
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling render-tree v0.1.1
[INFO] [stderr]    Compiling uom v0.23.1
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling crossterm_screen v0.2.5
[INFO] [stderr]    Compiling crossterm_cursor v0.2.6
[INFO] [stderr]    Compiling crossterm_style v0.4.1
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossterm_input v0.3.9
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling crossterm_terminal v0.2.6
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.3/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=36d1bf3efd45b7f2 -C extra-filename=-36d1bf3efd45b7f2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-922c7f856c1c99d6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a48387ecf40eae4d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-7157d860fec2ae23.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.43/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=c146a31a864253b9 -C extra-filename=-c146a31a864253b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f408edb9ab31238d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6b63b49845ea559a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a5c98a5dc11241a7.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "919d1c1b1e8fbd545d7c75ba3c9cd632a3e057582818a2d7c3401f7af491042b"`
[INFO] running `"docker" "rm" "-f" "919d1c1b1e8fbd545d7c75ba3c9cd632a3e057582818a2d7c3401f7af491042b"`
[INFO] [stdout] 919d1c1b1e8fbd545d7c75ba3c9cd632a3e057582818a2d7c3401f7af491042b