[INFO] updating cached repository flomonster/my-git
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flomonster/my-git
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flomonster/my-git" "work/ex/beta-1.38-1/sources/1.37.0/gh/flomonster/my-git"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/flomonster/my-git'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flomonster/my-git" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flomonster/my-git"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flomonster/my-git'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8004d8b1b4c3a2a12b0553e204f121a5522ff54f
[INFO] sha for GitHub repo flomonster/my-git: 8004d8b1b4c3a2a12b0553e204f121a5522ff54f
[INFO] validating manifest of flomonster/my-git 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 flomonster/my-git 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 flomonster/my-git
[INFO] finished frobbing flomonster/my-git
[INFO] frobbed toml for flomonster/my-git written to work/ex/beta-1.38-1/sources/1.37.0/gh/flomonster/my-git/Cargo.toml
[INFO] started frobbing flomonster/my-git
[INFO] finished frobbing flomonster/my-git
[INFO] frobbed toml for flomonster/my-git written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flomonster/my-git/Cargo.toml
[INFO] crate flomonster/my-git 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 flomonster/my-git against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flomonster/my-git:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a907ec39d47b0afb46db0c67d8c75650e19008513275bd019e400957e55d2452
[INFO] running `"docker" "start" "-a" "a907ec39d47b0afb46db0c67d8c75650e19008513275bd019e400957e55d2452"`
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling dirs v2.0.1
[INFO] [stderr]    Compiling my_git v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/objects/tree.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn add(&mut self, entry: TreeEntry) -> &mut Tree {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `"docker" "inspect" "a907ec39d47b0afb46db0c67d8c75650e19008513275bd019e400957e55d2452"`
[INFO] running `"docker" "rm" "-f" "a907ec39d47b0afb46db0c67d8c75650e19008513275bd019e400957e55d2452"`
[INFO] [stdout] a907ec39d47b0afb46db0c67d8c75650e19008513275bd019e400957e55d2452
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flomonster/my-git:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 89046da18b13a821b0cf055b906e08b35ea6cee794cdcd61ce8f5464b9664fc4
[INFO] running `"docker" "start" "-a" "89046da18b13a821b0cf055b906e08b35ea6cee794cdcd61ce8f5464b9664fc4"`
[INFO] [stderr]    Compiling my_git v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::utils`
[INFO] [stderr]   --> src/objects/mod.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     use crate::utils;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::DateTime`
[INFO] [stderr]   --> src/objects/mod.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     use chrono::DateTime;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/objects/mod.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let mut commit = Commit::new(
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/objects/commit.rs:181:13
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let mut commit = Commit::new(
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/objects/tree.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn add(&mut self, entry: TreeEntry) -> &mut Tree {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `"docker" "inspect" "89046da18b13a821b0cf055b906e08b35ea6cee794cdcd61ce8f5464b9664fc4"`
[INFO] running `"docker" "rm" "-f" "89046da18b13a821b0cf055b906e08b35ea6cee794cdcd61ce8f5464b9664fc4"`
[INFO] [stdout] 89046da18b13a821b0cf055b906e08b35ea6cee794cdcd61ce8f5464b9664fc4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/flomonster/my-git:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 433e80968d267d84ba536be1ef573543fb023f5efa62640003f48ca2f02b6ff9
[INFO] running `"docker" "start" "-a" "433e80968d267d84ba536be1ef573543fb023f5efa62640003f48ca2f02b6ff9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/my_git-c641cabdf71d2ae2
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test objects::blob::tests::blob_dump ... ok
[INFO] [stdout] test objects::commit::tests::commit_dump ... ok
[INFO] [stdout] test objects::tests::blob_hash ... ok
[INFO] [stdout] test objects::tests::tree_hash_multiple ... ok
[INFO] [stdout] test objects::tests::commit_hash ... ok
[INFO] [stdout] test objects::tree::tests::tree_dump ... ok
[INFO] [stdout] test objects::tests::tree_hash_simple ... ok
[INFO] [stdout] test objects::tests::tree_hash_symlink ... ok
[INFO] [stdout] test objects::tree::tests::tree_dump_multiple ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/my_git-71396cc7d705b63f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests my_git
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "433e80968d267d84ba536be1ef573543fb023f5efa62640003f48ca2f02b6ff9"`
[INFO] running `"docker" "rm" "-f" "433e80968d267d84ba536be1ef573543fb023f5efa62640003f48ca2f02b6ff9"`
[INFO] [stdout] 433e80968d267d84ba536be1ef573543fb023f5efa62640003f48ca2f02b6ff9