[INFO] updating cached repository https://github.com/justinsacbibit/wavegit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 080cb43569cdc92312c62b534f4db75e4ffd72f3
[INFO] testing justinsacbibit/wavegit against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinsacbibit%2Fwavegit" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinsacbibit/wavegit on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/justinsacbibit/wavegit
[INFO] finished tweaking git repo https://github.com/justinsacbibit/wavegit
[INFO] tweaked toml for git repo https://github.com/justinsacbibit/wavegit written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/justinsacbibit/wavegit already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8df63b1d297c9197481e77d9750bb4079fb84fdbd45498c1a31944ca0595ad9f
[INFO] running `"docker" "start" "-a" "8df63b1d297c9197481e77d9750bb4079fb84fdbd45498c1a31944ca0595ad9f"`
[INFO] [stderr]    Compiling wavegit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `flate2::read::ZlibDecoder`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use flate2::read::ZlibDecoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize::hex::ToHex`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rustc_serialize::hex::ToHex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cargo_toml_hash`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let cargo_toml_hash = "2ba5f3f32c8b887b7e6cee0dcd8823e04987f7fc";
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_cargo_toml_hash`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_tree_content`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn split_tree_content(tree_content: &[u8]) -> Vec<(Vec<u8>, Vec<u8>, Vec<u8>)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "8df63b1d297c9197481e77d9750bb4079fb84fdbd45498c1a31944ca0595ad9f"`
[INFO] running `"docker" "rm" "-f" "8df63b1d297c9197481e77d9750bb4079fb84fdbd45498c1a31944ca0595ad9f"`
[INFO] [stdout] 8df63b1d297c9197481e77d9750bb4079fb84fdbd45498c1a31944ca0595ad9f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5d45ad630ec3d1213e9cb5c57c812761ef6d9a46fe21c9624307a8e14d4f4cb
[INFO] running `"docker" "start" "-a" "d5d45ad630ec3d1213e9cb5c57c812761ef6d9a46fe21c9624307a8e14d4f4cb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wavegit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `flate2::read::ZlibDecoder`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use flate2::read::ZlibDecoder;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustc_serialize::hex::ToHex`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rustc_serialize::hex::ToHex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cargo_toml_hash`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let cargo_toml_hash = "2ba5f3f32c8b887b7e6cee0dcd8823e04987f7fc";
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_cargo_toml_hash`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_tree_content`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn split_tree_content(tree_content: &[u8]) -> Vec<(Vec<u8>, Vec<u8>, Vec<u8>)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "d5d45ad630ec3d1213e9cb5c57c812761ef6d9a46fe21c9624307a8e14d4f4cb"`
[INFO] running `"docker" "rm" "-f" "d5d45ad630ec3d1213e9cb5c57c812761ef6d9a46fe21c9624307a8e14d4f4cb"`
[INFO] [stdout] d5d45ad630ec3d1213e9cb5c57c812761ef6d9a46fe21c9624307a8e14d4f4cb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 587ed0d7d1fbce74ee069bc5ca7c0e6123242380e45c68c1e14151f0579a60b5
[INFO] running `"docker" "start" "-a" "587ed0d7d1fbce74ee069bc5ca7c0e6123242380e45c68c1e14151f0579a60b5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wavegit-0c3bb0acc6e2c3eb
[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" "587ed0d7d1fbce74ee069bc5ca7c0e6123242380e45c68c1e14151f0579a60b5"`
[INFO] running `"docker" "rm" "-f" "587ed0d7d1fbce74ee069bc5ca7c0e6123242380e45c68c1e14151f0579a60b5"`
[INFO] [stdout] 587ed0d7d1fbce74ee069bc5ca7c0e6123242380e45c68c1e14151f0579a60b5