[INFO] updating cached repository bretcope/mot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bretcope/mot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bretcope/mot" "work/ex/beta-1.37-6/sources/1.36.0/gh/bretcope/mot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bretcope/mot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bretcope/mot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bretcope/mot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bretcope/mot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19bf03ea25892b3f4f19a06d16d992d94c3c2bda
[INFO] sha for GitHub repo bretcope/mot: 19bf03ea25892b3f4f19a06d16d992d94c3c2bda
[INFO] validating manifest of bretcope/mot 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 bretcope/mot 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 bretcope/mot
[INFO] finished frobbing bretcope/mot
[INFO] frobbed toml for bretcope/mot written to work/ex/beta-1.37-6/sources/1.36.0/gh/bretcope/mot/Cargo.toml
[INFO] started frobbing bretcope/mot
[INFO] finished frobbing bretcope/mot
[INFO] frobbed toml for bretcope/mot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bretcope/mot/Cargo.toml
[INFO] crate bretcope/mot already has a lockfile, it will not be regenerated
[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 bretcope/mot against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bretcope/mot:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4298cda42ce4b35fbe74148c0d48c76d8dfc97c1c7eb8a93f25d353a1ac2dea1
[INFO] running `"docker" "start" "-a" "4298cda42ce4b35fbe74148c0d48c76d8dfc97c1c7eb8a93f25d353a1ac2dea1"`
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling cmot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `value_node`
[INFO] [stderr]   --> src/parsing/ir/prefix.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |         if let Some(value_node) = prop.value_node() {
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_value_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prop`
[INFO] [stderr]  --> src/parsing/ir/profile.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn build(prop: &'a nodes::Property<'a>) -> ParsingBoxResult<Profile<'a>> {
[INFO] [stderr]   |                  ^^^^ help: consider prefixing with an underscore: `_prop`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.77s
[INFO] running `"docker" "inspect" "4298cda42ce4b35fbe74148c0d48c76d8dfc97c1c7eb8a93f25d353a1ac2dea1"`
[INFO] running `"docker" "rm" "-f" "4298cda42ce4b35fbe74148c0d48c76d8dfc97c1c7eb8a93f25d353a1ac2dea1"`
[INFO] [stdout] 4298cda42ce4b35fbe74148c0d48c76d8dfc97c1c7eb8a93f25d353a1ac2dea1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bretcope/mot:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e811f96dc86b9379e851163054028699309aa8858831959cb29a7628037a46f9
[INFO] running `"docker" "start" "-a" "e811f96dc86b9379e851163054028699309aa8858831959cb29a7628037a46f9"`
[INFO] [stderr]    Compiling cmot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `value_node`
[INFO] [stderr]   --> src/parsing/ir/prefix.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |         if let Some(value_node) = prop.value_node() {
[INFO] [stderr]    |                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_value_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prop`
[INFO] [stderr]  --> src/parsing/ir/profile.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn build(prop: &'a nodes::Property<'a>) -> ParsingBoxResult<Profile<'a>> {
[INFO] [stderr]   |                  ^^^^ help: consider prefixing with an underscore: `_prop`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "e811f96dc86b9379e851163054028699309aa8858831959cb29a7628037a46f9"`
[INFO] running `"docker" "rm" "-f" "e811f96dc86b9379e851163054028699309aa8858831959cb29a7628037a46f9"`
[INFO] [stdout] e811f96dc86b9379e851163054028699309aa8858831959cb29a7628037a46f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bretcope/mot:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5fb569cc0b35753f030e71e9134ffeae97fb18953e465b6232e3dd74906d206c
[INFO] running `"docker" "start" "-a" "5fb569cc0b35753f030e71e9134ffeae97fb18953e465b6232e3dd74906d206c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cmot-47d3965efacd23b3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5fb569cc0b35753f030e71e9134ffeae97fb18953e465b6232e3dd74906d206c"`
[INFO] running `"docker" "rm" "-f" "5fb569cc0b35753f030e71e9134ffeae97fb18953e465b6232e3dd74906d206c"`
[INFO] [stdout] 5fb569cc0b35753f030e71e9134ffeae97fb18953e465b6232e3dd74906d206c