[INFO] updating cached repository glfmn/glitter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/glfmn/glitter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/glfmn/glitter" "work/ex/beta-1.38-1/sources/1.37.0/gh/glfmn/glitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/glfmn/glitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/glfmn/glitter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glfmn/glitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glfmn/glitter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af651f8d983af9693af5ffe3333a092aa91bb228
[INFO] sha for GitHub repo glfmn/glitter: af651f8d983af9693af5ffe3333a092aa91bb228
[INFO] validating manifest of glfmn/glitter on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of glfmn/glitter on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing glfmn/glitter
[INFO] finished frobbing glfmn/glitter
[INFO] frobbed toml for glfmn/glitter written to work/ex/beta-1.38-1/sources/1.37.0/gh/glfmn/glitter/Cargo.toml
[INFO] started frobbing glfmn/glitter
[INFO] finished frobbing glfmn/glitter
[INFO] frobbed toml for glfmn/glitter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/glfmn/glitter/Cargo.toml
[INFO] crate glfmn/glitter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/glfmn/glitter/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing glfmn/glitter against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/glfmn/glitter:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fca9124182c0d3ea4a3479b0d68bb9c89c32344d0a451beafb33dde92f9a5faf
[INFO] running `"docker" "start" "-a" "fca9124182c0d3ea4a3479b0d68bb9c89c32344d0a451beafb33dde92f9a5faf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.63
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling glit v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:313:1
[INFO] [stderr]     |
[INFO] [stderr] 313 | / /// Parse a string from slice
[INFO] [stderr] 314 | | ///
[INFO] [stderr] 315 | | /// https://github.com/Rydgel/monkey-rust/blob/master/lib/lexer/mod.rs
[INFO] [stderr]     | |______________________________________________________________________^
[INFO] [stderr] 316 | / named! {
[INFO] [stderr] 317 | |     string<String>,
[INFO] [stderr] 318 | |     delimited!(
[INFO] [stderr] 319 | |         tag!("\'"),
[INFO] [stderr] ...   |
[INFO] [stderr] 322 | |     )
[INFO] [stderr] 323 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.71s
[INFO] running `"docker" "inspect" "fca9124182c0d3ea4a3479b0d68bb9c89c32344d0a451beafb33dde92f9a5faf"`
[INFO] running `"docker" "rm" "-f" "fca9124182c0d3ea4a3479b0d68bb9c89c32344d0a451beafb33dde92f9a5faf"`
[INFO] [stdout] fca9124182c0d3ea4a3479b0d68bb9c89c32344d0a451beafb33dde92f9a5faf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/glfmn/glitter:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 701ddcdf2afa9692c7f929903f63cd3c934f516de0fc7304ca818d8dc0a8ecdb
[INFO] running `"docker" "start" "-a" "701ddcdf2afa9692c7f929903f63cd3c934f516de0fc7304ca818d8dc0a8ecdb"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling glit v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:313:1
[INFO] [stderr]     |
[INFO] [stderr] 313 | / /// Parse a string from slice
[INFO] [stderr] 314 | | ///
[INFO] [stderr] 315 | | /// https://github.com/Rydgel/monkey-rust/blob/master/lib/lexer/mod.rs
[INFO] [stderr]     | |______________________________________________________________________^
[INFO] [stderr] 316 | / named! {
[INFO] [stderr] 317 | |     string<String>,
[INFO] [stderr] 318 | |     delimited!(
[INFO] [stderr] 319 | |         tag!("\'"),
[INFO] [stderr] ...   |
[INFO] [stderr] 322 | |     )
[INFO] [stderr] 323 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `arb_tree`
[INFO] [stderr]    --> src/ast.rs:352:1
[INFO] [stderr]     |
[INFO] [stderr] 352 | pub fn arb_tree(n: usize) -> impl Strategy<Value = Tree> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.85s
[INFO] running `"docker" "inspect" "701ddcdf2afa9692c7f929903f63cd3c934f516de0fc7304ca818d8dc0a8ecdb"`
[INFO] running `"docker" "rm" "-f" "701ddcdf2afa9692c7f929903f63cd3c934f516de0fc7304ca818d8dc0a8ecdb"`
[INFO] [stdout] 701ddcdf2afa9692c7f929903f63cd3c934f516de0fc7304ca818d8dc0a8ecdb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/glfmn/glitter:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 07e81c287b1032add598c9a96642cbd6fcee6ca76019937cec67bf20ab535f90
[INFO] running `"docker" "start" "-a" "07e81c287b1032add598c9a96642cbd6fcee6ca76019937cec67bf20ab535f90"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/glit-bfce8adae542ea08
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test parser::test::disp ... ok
[INFO] [stdout] test parser::test::format_number ... ok
[INFO] [stdout] test parser::test::empty_group_expression ... ok
[INFO] [stdout] test parser::test::format_rgb ... ok
[INFO] [stdout] test parser::test::named_expression_no_args ... ok
[INFO] [stdout] test parser::test::named_expression_empty_args ... ok
[INFO] [stdout] test parser::test::named_expression_2_arg ... ok
[INFO] [stdout] test parser::test::named_expression_1_arg ... ok
[INFO] [stdout] test parser::test::japanese_text ... ok
[INFO] [stdout] test interpreter::test::empty_stats_empty_result ... ok
[INFO] [stdout] test parser::test::disp_parse_invariant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "07e81c287b1032add598c9a96642cbd6fcee6ca76019937cec67bf20ab535f90"`
[INFO] running `"docker" "rm" "-f" "07e81c287b1032add598c9a96642cbd6fcee6ca76019937cec67bf20ab535f90"`
[INFO] [stdout] 07e81c287b1032add598c9a96642cbd6fcee6ca76019937cec67bf20ab535f90