[INFO] updating cached repository rjosephwright/saytshen-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rjosephwright/saytshen-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rjosephwright/saytshen-rust" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rjosephwright/saytshen-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rjosephwright/saytshen-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rjosephwright/saytshen-rust" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rjosephwright/saytshen-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rjosephwright/saytshen-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f17b7f93c3d708aedb5ac53a72a4004cdbe4ff52
[INFO] sha for GitHub repo rjosephwright/saytshen-rust: f17b7f93c3d708aedb5ac53a72a4004cdbe4ff52
[INFO] validating manifest of rjosephwright/saytshen-rust on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rjosephwright/saytshen-rust on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rjosephwright/saytshen-rust
[INFO] finished frobbing rjosephwright/saytshen-rust
[INFO] frobbed toml for rjosephwright/saytshen-rust written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rjosephwright/saytshen-rust/Cargo.toml
[INFO] started frobbing rjosephwright/saytshen-rust
[INFO] finished frobbing rjosephwright/saytshen-rust
[INFO] frobbed toml for rjosephwright/saytshen-rust written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rjosephwright/saytshen-rust/Cargo.toml
[INFO] crate rjosephwright/saytshen-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rjosephwright/saytshen-rust against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-2/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rjosephwright/saytshen-rust:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 75a11892ced2e68057709081c119429848597289b9ddf6e4156d57cb8cae18d2
[INFO] running `"docker" "start" "-a" "75a11892ced2e68057709081c119429848597289b9ddf6e4156d57cb8cae18d2"`
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.1
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.12.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]    Compiling serde_derive v0.9.5
[INFO] [stderr]     Checking serde_yaml v0.6.0
[INFO] [stderr]     Checking saytshen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/scan.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[derive(Debug, RustcEncodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/scan.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[derive(Debug, RustcEncodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `saytshen`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `saytshen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "75a11892ced2e68057709081c119429848597289b9ddf6e4156d57cb8cae18d2"`
[INFO] running `"docker" "rm" "-f" "75a11892ced2e68057709081c119429848597289b9ddf6e4156d57cb8cae18d2"`
[INFO] [stdout] 75a11892ced2e68057709081c119429848597289b9ddf6e4156d57cb8cae18d2