[INFO] crate gll 0.0.2 is already in cache
[INFO] testing gll-0.0.2 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate gll 0.0.2 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate gll 0.0.2 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 gll 0.0.2
[INFO] finished tweaking crates.io crate gll 0.0.2
[INFO] tweaked toml for crates.io crate gll 0.0.2 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] bdff704a056ea303ae6043427a9fb58c667cd5c7daddf6f81bba0ae07c7eed7e
[INFO] running `"docker" "start" "-a" "bdff704a056ea303ae6043427a9fb58c667cd5c7daddf6f81bba0ae07c7eed7e"`
[INFO] [stderr]    Compiling indexing v0.3.2
[INFO] [stderr]    Compiling gll v0.0.2 (/opt/rustwide/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 8.80s
[INFO] running `"docker" "inspect" "bdff704a056ea303ae6043427a9fb58c667cd5c7daddf6f81bba0ae07c7eed7e"`
[INFO] running `"docker" "rm" "-f" "bdff704a056ea303ae6043427a9fb58c667cd5c7daddf6f81bba0ae07c7eed7e"`
[INFO] [stdout] bdff704a056ea303ae6043427a9fb58c667cd5c7daddf6f81bba0ae07c7eed7e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 06bca07127328a5e92bfcdfb67295319a9cbbbb2a3c44ba227f86a07d9a36256
[INFO] running `"docker" "start" "-a" "06bca07127328a5e92bfcdfb67295319a9cbbbb2a3c44ba227f86a07d9a36256"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] running `"docker" "inspect" "06bca07127328a5e92bfcdfb67295319a9cbbbb2a3c44ba227f86a07d9a36256"`
[INFO] running `"docker" "rm" "-f" "06bca07127328a5e92bfcdfb67295319a9cbbbb2a3c44ba227f86a07d9a36256"`
[INFO] [stdout] 06bca07127328a5e92bfcdfb67295319a9cbbbb2a3c44ba227f86a07d9a36256
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "test" "--frozen"`
[INFO] [stdout] 7e2e5be5402152eefa217bf98dd5ca24bc8614c47eb88fb24b4e3268d9a8cca7
[INFO] running `"docker" "start" "-a" "7e2e5be5402152eefa217bf98dd5ca24bc8614c47eb88fb24b4e3268d9a8cca7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `"docker" "inspect" "7e2e5be5402152eefa217bf98dd5ca24bc8614c47eb88fb24b4e3268d9a8cca7"`
[INFO] running `"docker" "rm" "-f" "7e2e5be5402152eefa217bf98dd5ca24bc8614c47eb88fb24b4e3268d9a8cca7"`
[INFO] [stdout] 7e2e5be5402152eefa217bf98dd5ca24bc8614c47eb88fb24b4e3268d9a8cca7