[INFO] updating cached repository inq/sprout
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/inq/sprout
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/inq/sprout" "work/ex/beta-1.38-1/sources/1.37.0/gh/inq/sprout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/inq/sprout'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/inq/sprout" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inq/sprout"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inq/sprout'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5086aaac24579baf3df150420906d9d382f8791c
[INFO] sha for GitHub repo inq/sprout: 5086aaac24579baf3df150420906d9d382f8791c
[INFO] validating manifest of inq/sprout 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 inq/sprout 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 inq/sprout
[INFO] finished frobbing inq/sprout
[INFO] frobbed toml for inq/sprout written to work/ex/beta-1.38-1/sources/1.37.0/gh/inq/sprout/Cargo.toml
[INFO] started frobbing inq/sprout
[INFO] finished frobbing inq/sprout
[INFO] frobbed toml for inq/sprout written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inq/sprout/Cargo.toml
[INFO] crate inq/sprout 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing inq/sprout against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inq/sprout:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 996c53f256be6e2b01e056010a4a132f7911a31de82d612b8d7afbdf25ec1bc6
[INFO] running `"docker" "start" "-a" "996c53f256be6e2b01e056010a4a132f7911a31de82d612b8d7afbdf25ec1bc6"`
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling ghakuf v0.5.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling lopdf v0.19.0
[INFO] [stderr]    Compiling sprout v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `VertLine`
[INFO] [stderr]  --> src/recognizer/bar/mod.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::common::{Fixed, Object, VertLine};
[INFO] [stderr]   |                                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Smf`
[INFO] [stderr]  --> src/smf/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Smf {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Action`
[INFO] [stderr]   --> src/smf/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Action {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `time`
[INFO] [stderr]   --> src/smf/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn time(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/smf/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(bpm: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/smf/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write(&mut self, collectors: &[Collector]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.02s
[INFO] running `"docker" "inspect" "996c53f256be6e2b01e056010a4a132f7911a31de82d612b8d7afbdf25ec1bc6"`
[INFO] running `"docker" "rm" "-f" "996c53f256be6e2b01e056010a4a132f7911a31de82d612b8d7afbdf25ec1bc6"`
[INFO] [stdout] 996c53f256be6e2b01e056010a4a132f7911a31de82d612b8d7afbdf25ec1bc6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inq/sprout:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6eb446721041bd4d0a45ad251e3d5013bd6e1f10a2ed1df0a7c2e095244764e5
[INFO] running `"docker" "start" "-a" "6eb446721041bd4d0a45ad251e3d5013bd6e1f10a2ed1df0a7c2e095244764e5"`
[INFO] [stderr]    Compiling sprout v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `VertLine`
[INFO] [stderr]  --> src/recognizer/bar/mod.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::common::{Fixed, Object, VertLine};
[INFO] [stderr]   |                                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Smf`
[INFO] [stderr]  --> src/smf/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Smf {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Action`
[INFO] [stderr]   --> src/smf/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Action {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `time`
[INFO] [stderr]   --> src/smf/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn time(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/smf/mod.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(bpm: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/smf/mod.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write(&mut self, collectors: &[Collector]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "6eb446721041bd4d0a45ad251e3d5013bd6e1f10a2ed1df0a7c2e095244764e5"`
[INFO] running `"docker" "rm" "-f" "6eb446721041bd4d0a45ad251e3d5013bd6e1f10a2ed1df0a7c2e095244764e5"`
[INFO] [stdout] 6eb446721041bd4d0a45ad251e3d5013bd6e1f10a2ed1df0a7c2e095244764e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inq/sprout:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2d50e0ed7bddc2f80206b38358899148deef88c4285a7a3e9adb38dbe73fed38
[INFO] running `"docker" "start" "-a" "2d50e0ed7bddc2f80206b38358899148deef88c4285a7a3e9adb38dbe73fed38"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sprout-4a0441d794859b08
[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" "2d50e0ed7bddc2f80206b38358899148deef88c4285a7a3e9adb38dbe73fed38"`
[INFO] running `"docker" "rm" "-f" "2d50e0ed7bddc2f80206b38358899148deef88c4285a7a3e9adb38dbe73fed38"`
[INFO] [stdout] 2d50e0ed7bddc2f80206b38358899148deef88c4285a7a3e9adb38dbe73fed38