[INFO] crate rtdlib 0.2.1 is already in cache
[INFO] extracting crate rtdlib 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/rtdlib/0.2.1
[INFO] extracting crate rtdlib 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rtdlib/0.2.1
[INFO] validating manifest of rtdlib-0.2.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rtdlib-0.2.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rtdlib-0.2.1
[INFO] finished frobbing rtdlib-0.2.1
[INFO] frobbed toml for rtdlib-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rtdlib/0.2.1/Cargo.toml
[INFO] started frobbing rtdlib-0.2.1
[INFO] finished frobbing rtdlib-0.2.1
[INFO] frobbed toml for rtdlib-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rtdlib/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rtdlib-0.2.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rtdlib/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] cfd1b4b1c36f0c7551827c5cdb4e9967c0937a098cef1bf92023ffc1df9c75f5
[INFO] running `"docker" "start" "-a" "cfd1b4b1c36f0c7551827c5cdb4e9967c0937a098cef1bf92023ffc1df9c75f5"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling unic-common v0.7.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling ego-tree v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling rstring-builder v0.1.4
[INFO] [stderr]    Compiling text-reader v0.2.1
[INFO] [stderr]    Compiling toolkit v0.1.1
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unic-char-property v0.7.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling unic-ucd-segment v0.7.0
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling socket2 v0.3.10
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling unic-segment v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling cssparser v0.25.8
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling typetag-impl v0.1.3
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling inventory v0.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling erased-serde v0.3.9
[INFO] [stderr]    Compiling typetag v0.1.3
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling tera v0.11.20
[INFO] [stderr]    Compiling scraper v0.10.1
[INFO] [stderr]    Compiling rtdlib v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> build/build.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> build/build.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `OpenOptions`
[INFO] [stderr]  --> build/bog.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> build/bog.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> build/bog.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> build/ctgo/tdapibuilder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `OpenOptions`
[INFO] [stderr]  --> build/ctgo/tdapibuilder.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> build/ctgo/tdapibuilder.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `apipe`
[INFO] [stderr]    --> build/ctgo/parser.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn td_type_fill(apipe: &Apipe, tdtype: &mut TdType) {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_apipe`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> build/bog.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   Warning,
[INFO] [stderr]   |   ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]   --> build/bog.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   Error
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warning`
[INFO] [stderr]   --> build/bog.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn warning<S: AsRef<str>>(log: S) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `error`
[INFO] [stderr]   --> build/bog.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn error<S: AsRef<str>>(log: S) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]    --> build/ctgo/apipe.rs:265:3
[INFO] [stderr]     |
[INFO] [stderr] 265 |   fn path<S: AsRef<str>>(&self, name: S) -> Option<PathBuf> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `last_coma` is assigned to, but never used
[INFO] [stderr]   --> src/tdkit.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut last_coma = false;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr]    = note: consider using `_last_coma` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_coma` is never read
[INFO] [stderr]   --> src/tdkit.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |           last_coma = true;
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ch`
[INFO] [stderr]   --> src/tdkit.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Some(ch) => {},
[INFO] [stderr]    |                  ^^ help: consider prefixing with an underscore: `_ch`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rtdlib`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name rtdlib src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=0c20e4d6a947f7ff -C extra-filename=-0c20e4d6a947f7ff --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern libc=/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib --extern rstring_builder=/opt/crater/target/debug/deps/librstring_builder-f323febd5385caac.rlib --extern serde=/opt/crater/target/debug/deps/libserde-99d48646c1da17bf.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-5c80648928fdc360.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-2daade39ee632f9d.rlib --extern strum=/opt/crater/target/debug/deps/libstrum-a927fe860eb27ba7.rlib --extern strum_macros=/opt/crater/target/debug/deps/libstrum_macros-5771cd42b6967366.so --extern text_reader=/opt/crater/target/debug/deps/libtext_reader-127c1c90bc1de0fb.rlib --extern typetag=/opt/crater/target/debug/deps/libtypetag-4046d26bacabd00a.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "cfd1b4b1c36f0c7551827c5cdb4e9967c0937a098cef1bf92023ffc1df9c75f5"`
[INFO] running `"docker" "rm" "-f" "cfd1b4b1c36f0c7551827c5cdb4e9967c0937a098cef1bf92023ffc1df9c75f5"`
[INFO] [stdout] cfd1b4b1c36f0c7551827c5cdb4e9967c0937a098cef1bf92023ffc1df9c75f5