[INFO] updating cached repository sfuller/snas
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sfuller/snas
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sfuller/snas" "work/ex/beta-1.37-6/sources/1.36.0/gh/sfuller/snas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sfuller/snas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sfuller/snas" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sfuller/snas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sfuller/snas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aab5435c5aa435a5e3c8a06b97b3396d0c862f58
[INFO] sha for GitHub repo sfuller/snas: aab5435c5aa435a5e3c8a06b97b3396d0c862f58
[INFO] validating manifest of sfuller/snas 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 sfuller/snas 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 sfuller/snas
[INFO] finished frobbing sfuller/snas
[INFO] frobbed toml for sfuller/snas written to work/ex/beta-1.37-6/sources/1.36.0/gh/sfuller/snas/Cargo.toml
[INFO] started frobbing sfuller/snas
[INFO] finished frobbing sfuller/snas
[INFO] frobbed toml for sfuller/snas written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sfuller/snas/Cargo.toml
[INFO] crate sfuller/snas 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 sfuller/snas 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sfuller/snas:/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] 5b585605df38e21c9a0e183697dc2346b988fd85eccfdc2279cd506dfd4399ff
[INFO] running `"docker" "start" "-a" "5b585605df38e21c9a0e183697dc2346b988fd85eccfdc2279cd506dfd4399ff"`
[INFO] [stderr]    Compiling snas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/ast/visitors/print_snv.rs:13:36
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn visit_expression(&mut self, node: &Expression) {
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `arguments`
[INFO] [stderr]   --> src/ast/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     arguments: Vec<Box<Expression>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `number`
[INFO] [stderr]   --> src/ast/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     number: i32
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/ast/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     id: String
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `register`
[INFO] [stderr]   --> src/ast/mod.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     register: Register
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `REGISTER_NAMES`
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | static REGISTER_NAMES : [&str; 8] = ["a", "x", "y", "p", "sp", "dp", "pc", "db"];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "5b585605df38e21c9a0e183697dc2346b988fd85eccfdc2279cd506dfd4399ff"`
[INFO] running `"docker" "rm" "-f" "5b585605df38e21c9a0e183697dc2346b988fd85eccfdc2279cd506dfd4399ff"`
[INFO] [stdout] 5b585605df38e21c9a0e183697dc2346b988fd85eccfdc2279cd506dfd4399ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sfuller/snas:/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] a8d329ed8994bc22330f5878a573f819752f5af477ce32f463530525df72ccfa
[INFO] running `"docker" "start" "-a" "a8d329ed8994bc22330f5878a573f819752f5af477ce32f463530525df72ccfa"`
[INFO] [stderr]    Compiling snas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/ast/visitors/print_snv.rs:13:36
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn visit_expression(&mut self, node: &Expression) {
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `arguments`
[INFO] [stderr]   --> src/ast/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     arguments: Vec<Box<Expression>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `number`
[INFO] [stderr]   --> src/ast/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     number: i32
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]   --> src/ast/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     id: String
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `register`
[INFO] [stderr]   --> src/ast/mod.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     register: Register
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `REGISTER_NAMES`
[INFO] [stderr]   --> src/lib.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | static REGISTER_NAMES : [&str; 8] = ["a", "x", "y", "p", "sp", "dp", "pc", "db"];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "a8d329ed8994bc22330f5878a573f819752f5af477ce32f463530525df72ccfa"`
[INFO] running `"docker" "rm" "-f" "a8d329ed8994bc22330f5878a573f819752f5af477ce32f463530525df72ccfa"`
[INFO] [stdout] a8d329ed8994bc22330f5878a573f819752f5af477ce32f463530525df72ccfa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sfuller/snas:/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] 7556da512d68576ec56d7753160556d79609202be2116d7ff12e45e089e7f42d
[INFO] running `"docker" "start" "-a" "7556da512d68576ec56d7753160556d79609202be2116d7ff12e45e089e7f42d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snas-a914ee22739a5612
[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] [stderr]      Running /opt/crater/target/debug/deps/snas-31634971075acd25
[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] [stderr]      Running /opt/crater/target/debug/deps/snld-953dab5a943e60fd
[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] [stderr]    Doc-tests snas
[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" "7556da512d68576ec56d7753160556d79609202be2116d7ff12e45e089e7f42d"`
[INFO] running `"docker" "rm" "-f" "7556da512d68576ec56d7753160556d79609202be2116d7ff12e45e089e7f42d"`
[INFO] [stdout] 7556da512d68576ec56d7753160556d79609202be2116d7ff12e45e089e7f42d