[INFO] updating cached repository akalman/ssm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/akalman/ssm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/akalman/ssm" "work/ex/beta-1.37-6/sources/1.36.0/gh/akalman/ssm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/akalman/ssm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/akalman/ssm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/akalman/ssm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/akalman/ssm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad9a9e966a5ee4fa33e15811e57c41eb751fe91a
[INFO] sha for GitHub repo akalman/ssm: ad9a9e966a5ee4fa33e15811e57c41eb751fe91a
[INFO] validating manifest of akalman/ssm 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 akalman/ssm 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 akalman/ssm
[INFO] finished frobbing akalman/ssm
[INFO] frobbed toml for akalman/ssm written to work/ex/beta-1.37-6/sources/1.36.0/gh/akalman/ssm/Cargo.toml
[INFO] started frobbing akalman/ssm
[INFO] finished frobbing akalman/ssm
[INFO] frobbed toml for akalman/ssm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/akalman/ssm/Cargo.toml
[INFO] crate akalman/ssm 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/akalman/ssm/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "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 akalman/ssm 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/akalman/ssm:/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] d19ed15a05a063515ef05c410c9f3fed4755836d0b24dce7976a8addf669cb5a
[INFO] running `"docker" "start" "-a" "d19ed15a05a063515ef05c410c9f3fed4755836d0b24dce7976a8addf669cb5a"`
[INFO] [stderr]    Compiling ssm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let args: Args = Docopt::new(USAGE)
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/simfile_parser.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn parse_simfile<'a>(path: String) -> simfile::Simfile<'a> {
[INFO] [stderr]   |                          ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Simfile`
[INFO] [stderr]  --> src/simfile.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Simfile<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileNoteset`
[INFO] [stderr]   --> src/simfile.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct SimfileNoteset<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileMeasure`
[INFO] [stderr]   --> src/simfile.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct SimfileMeasure<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileBeat`
[INFO] [stderr]   --> src/simfile.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct SimfileBeat {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileNote`
[INFO] [stderr]   --> src/simfile.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct SimfileNote {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_simfile`
[INFO] [stderr]  --> src/simfile_parser.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn parse_simfile<'a>(path: String) -> simfile::Simfile<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "d19ed15a05a063515ef05c410c9f3fed4755836d0b24dce7976a8addf669cb5a"`
[INFO] running `"docker" "rm" "-f" "d19ed15a05a063515ef05c410c9f3fed4755836d0b24dce7976a8addf669cb5a"`
[INFO] [stdout] d19ed15a05a063515ef05c410c9f3fed4755836d0b24dce7976a8addf669cb5a
[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/akalman/ssm:/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] ad0b1cd6657fd13b789c98d593a6167b4f818108aae4972392ab821e192f8004
[INFO] running `"docker" "start" "-a" "ad0b1cd6657fd13b789c98d593a6167b4f818108aae4972392ab821e192f8004"`
[INFO] [stderr]    Compiling ssm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let args: Args = Docopt::new(USAGE)
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/simfile_parser.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn parse_simfile<'a>(path: String) -> simfile::Simfile<'a> {
[INFO] [stderr]   |                          ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Simfile`
[INFO] [stderr]  --> src/simfile.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Simfile<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileNoteset`
[INFO] [stderr]   --> src/simfile.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct SimfileNoteset<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileMeasure`
[INFO] [stderr]   --> src/simfile.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct SimfileMeasure<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileBeat`
[INFO] [stderr]   --> src/simfile.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct SimfileBeat {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SimfileNote`
[INFO] [stderr]   --> src/simfile.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct SimfileNote {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_simfile`
[INFO] [stderr]  --> src/simfile_parser.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn parse_simfile<'a>(path: String) -> simfile::Simfile<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "ad0b1cd6657fd13b789c98d593a6167b4f818108aae4972392ab821e192f8004"`
[INFO] running `"docker" "rm" "-f" "ad0b1cd6657fd13b789c98d593a6167b4f818108aae4972392ab821e192f8004"`
[INFO] [stdout] ad0b1cd6657fd13b789c98d593a6167b4f818108aae4972392ab821e192f8004
[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/akalman/ssm:/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] 7af6f9618f63b287be6881bd4cfa6b877c7835058792dc1914724b9cb050157e
[INFO] running `"docker" "start" "-a" "7af6f9618f63b287be6881bd4cfa6b877c7835058792dc1914724b9cb050157e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ssm-07b20f7a3dc08871
[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" "7af6f9618f63b287be6881bd4cfa6b877c7835058792dc1914724b9cb050157e"`
[INFO] running `"docker" "rm" "-f" "7af6f9618f63b287be6881bd4cfa6b877c7835058792dc1914724b9cb050157e"`
[INFO] [stdout] 7af6f9618f63b287be6881bd4cfa6b877c7835058792dc1914724b9cb050157e