[INFO] fetching crate gll 0.0.2...
[INFO] extracting crate gll 0.0.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/gll/0.0.2
[INFO] extracting crate gll 0.0.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/gll/0.0.2
[INFO] validating manifest of gll-0.0.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gll-0.0.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gll-0.0.2
[INFO] finished frobbing gll-0.0.2
[INFO] frobbed toml for gll-0.0.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/gll/0.0.2/Cargo.toml
[INFO] started frobbing gll-0.0.2
[INFO] finished frobbing gll-0.0.2
[INFO] frobbed toml for gll-0.0.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/gll/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gll-0.0.2 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/gll/0.0.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] fc7d03eccd0a2e0ea52d84ad4f0d23934c0c820f0f9a69555a848517e3f68fd3
[INFO] running `"docker" "start" "-a" "fc7d03eccd0a2e0ea52d84ad4f0d23934c0c820f0f9a69555a848517e3f68fd3"`
[INFO] [stderr]    Compiling indexing v0.3.2
[INFO] [stderr]    Compiling gll v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/generate/rust.rs:1477:21
[INFO] [stderr]      |
[INFO] [stderr] 1477 | /                     write!(
[INFO] [stderr] 1478 | |                         s,
[INFO] [stderr] 1479 | |                         "{} _{}: {} => {},",
[INFO] [stderr] 1480 | |                         i,
[INFO] [stderr] ...    |
[INFO] [stderr] 1483 | |                         rule.generate_traverse_shape(true, parse_nodes)
[INFO] [stderr] 1484 | |                     );
[INFO] [stderr]      | |______________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/generate/rust.rs:1486:17
[INFO] [stderr]      |
[INFO] [stderr] 1486 |                 write!(s, " }}");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/runtime.rs:425:43
[INFO] [stderr]     |
[INFO] [stderr] 425 |     pub fn dump_graphviz(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[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/runtime.rs:575:43
[INFO] [stderr]     |
[INFO] [stderr] 575 |     pub fn dump_graphviz(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stderr]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/generate/rust.rs:1477:21
[INFO] [stderr]      |
[INFO] [stderr] 1477 | /                     write!(
[INFO] [stderr] 1478 | |                         s,
[INFO] [stderr] 1479 | |                         "{} _{}: {} => {},",
[INFO] [stderr] 1480 | |                         i,
[INFO] [stderr] ...    |
[INFO] [stderr] 1483 | |                         rule.generate_traverse_shape(true, parse_nodes)
[INFO] [stderr] 1484 | |                     );
[INFO] [stderr]      | |______________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/generate/rust.rs:1486:17
[INFO] [stderr]      |
[INFO] [stderr] 1486 |                 write!(s, " }}");
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[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]     Finished dev [unoptimized + debuginfo] target(s) in 18.81s
[INFO] running `"docker" "inspect" "fc7d03eccd0a2e0ea52d84ad4f0d23934c0c820f0f9a69555a848517e3f68fd3"`
[INFO] running `"docker" "rm" "-f" "fc7d03eccd0a2e0ea52d84ad4f0d23934c0c820f0f9a69555a848517e3f68fd3"`
[INFO] [stdout] fc7d03eccd0a2e0ea52d84ad4f0d23934c0c820f0f9a69555a848517e3f68fd3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/gll/0.0.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 507dc5ae9695f30b3671c0bf6704a98036c2ab780b1a8230634b0d4f073da2d5
[INFO] running `"docker" "start" "-a" "507dc5ae9695f30b3671c0bf6704a98036c2ab780b1a8230634b0d4f073da2d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `"docker" "inspect" "507dc5ae9695f30b3671c0bf6704a98036c2ab780b1a8230634b0d4f073da2d5"`
[INFO] running `"docker" "rm" "-f" "507dc5ae9695f30b3671c0bf6704a98036c2ab780b1a8230634b0d4f073da2d5"`
[INFO] [stdout] 507dc5ae9695f30b3671c0bf6704a98036c2ab780b1a8230634b0d4f073da2d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/gll/0.0.2:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 02bde63de8fff11d74ed88f491aaef7a90cd50648e6d84d4b1ed5f89595c9c1e
[INFO] running `"docker" "start" "-a" "02bde63de8fff11d74ed88f491aaef7a90cd50648e6d84d4b1ed5f89595c9c1e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `"docker" "inspect" "02bde63de8fff11d74ed88f491aaef7a90cd50648e6d84d4b1ed5f89595c9c1e"`
[INFO] running `"docker" "rm" "-f" "02bde63de8fff11d74ed88f491aaef7a90cd50648e6d84d4b1ed5f89595c9c1e"`
[INFO] [stdout] 02bde63de8fff11d74ed88f491aaef7a90cd50648e6d84d4b1ed5f89595c9c1e