[INFO] crate gll 0.0.2 is already in cache
[INFO] extracting crate gll 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/gll/0.0.2
[INFO] extracting crate gll 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gll/0.0.2
[INFO] validating manifest of gll-0.0.2 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 gll-0.0.2 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 gll-0.0.2
[INFO] finished frobbing gll-0.0.2
[INFO] frobbed toml for gll-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/gll/0.0.2/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 gll-0.0.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7c1c12b4fcef1a00eca2bd35e9e03f325e5f7c2dfaa9171c3e3699403e5e8870
[INFO] running `"docker" "start" "-a" "7c1c12b4fcef1a00eca2bd35e9e03f325e5f7c2dfaa9171c3e3699403e5e8870"`
[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 16.80s
[INFO] running `"docker" "inspect" "7c1c12b4fcef1a00eca2bd35e9e03f325e5f7c2dfaa9171c3e3699403e5e8870"`
[INFO] running `"docker" "rm" "-f" "7c1c12b4fcef1a00eca2bd35e9e03f325e5f7c2dfaa9171c3e3699403e5e8870"`
[INFO] [stdout] 7c1c12b4fcef1a00eca2bd35e9e03f325e5f7c2dfaa9171c3e3699403e5e8870
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b22a769649e137162fc322cb4996058946510f116a0fc3e583b3c80f026cfecb
[INFO] running `"docker" "start" "-a" "b22a769649e137162fc322cb4996058946510f116a0fc3e583b3c80f026cfecb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `"docker" "inspect" "b22a769649e137162fc322cb4996058946510f116a0fc3e583b3c80f026cfecb"`
[INFO] running `"docker" "rm" "-f" "b22a769649e137162fc322cb4996058946510f116a0fc3e583b3c80f026cfecb"`
[INFO] [stdout] b22a769649e137162fc322cb4996058946510f116a0fc3e583b3c80f026cfecb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] aa4958fbdce32e01ddca5fc10fd70ae96cae38ca4817658cf5e196d3128f0745
[INFO] running `"docker" "start" "-a" "aa4958fbdce32e01ddca5fc10fd70ae96cae38ca4817658cf5e196d3128f0745"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `"docker" "inspect" "aa4958fbdce32e01ddca5fc10fd70ae96cae38ca4817658cf5e196d3128f0745"`
[INFO] running `"docker" "rm" "-f" "aa4958fbdce32e01ddca5fc10fd70ae96cae38ca4817658cf5e196d3128f0745"`
[INFO] [stdout] aa4958fbdce32e01ddca5fc10fd70ae96cae38ca4817658cf5e196d3128f0745