[INFO] updating cached repository https://github.com/garbas/nix-installer
[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] be377a9fddc2ebcd212d6600824609e8f2371a39
[INFO] testing garbas/nix-installer against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarbas%2Fnix-installer" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garbas/nix-installer on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/garbas/nix-installer
[INFO] finished tweaking git repo https://github.com/garbas/nix-installer
[INFO] tweaked toml for git repo https://github.com/garbas/nix-installer written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/garbas/nix-installer already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 362b03480780e7e169d31f87dad948532b06f4d27bef2d95c5f151630b3e7315
[INFO] running `"docker" "start" "-a" "362b03480780e7e169d31f87dad948532b06f4d27bef2d95c5f151630b3e7315"`
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling xattr v0.1.10
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]    Compiling elf v0.0.10
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling tar v0.4.10
[INFO] [stderr]    Compiling bzip2 v0.3.1
[INFO] [stderr]    Compiling nix-installer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bin/nix-installer.rs:73:70
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let temp_dir = TempDir::new("nix-installer").unwrap_or_else(|e| panic!("Could not create temporary directory"));
[INFO] [stderr]    |                                                                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/nix-installer.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mut decoder = BzDecoder::new(content.as_slice());
[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/bin/nix-installer.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let mut decoder = BzDecoder::new(bzip2_data.as_slice());
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/nix-installer.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         ar.unpack(temp_dir.path());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.20s
[INFO] running `"docker" "inspect" "362b03480780e7e169d31f87dad948532b06f4d27bef2d95c5f151630b3e7315"`
[INFO] running `"docker" "rm" "-f" "362b03480780e7e169d31f87dad948532b06f4d27bef2d95c5f151630b3e7315"`
[INFO] [stdout] 362b03480780e7e169d31f87dad948532b06f4d27bef2d95c5f151630b3e7315
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d9e90a51e0dbd530fff8f8789a5b0a315cfe2c81124d14176c7ccdad0d314cb9
[INFO] running `"docker" "start" "-a" "d9e90a51e0dbd530fff8f8789a5b0a315cfe2c81124d14176c7ccdad0d314cb9"`
[INFO] [stderr]    Compiling nix-installer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bin/nix-installer.rs:73:70
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let temp_dir = TempDir::new("nix-installer").unwrap_or_else(|e| panic!("Could not create temporary directory"));
[INFO] [stderr]    |                                                                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/nix-installer.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mut decoder = BzDecoder::new(content.as_slice());
[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/bin/nix-installer.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let mut decoder = BzDecoder::new(bzip2_data.as_slice());
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/nix-installer.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         ar.unpack(temp_dir.path());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "d9e90a51e0dbd530fff8f8789a5b0a315cfe2c81124d14176c7ccdad0d314cb9"`
[INFO] running `"docker" "rm" "-f" "d9e90a51e0dbd530fff8f8789a5b0a315cfe2c81124d14176c7ccdad0d314cb9"`
[INFO] [stdout] d9e90a51e0dbd530fff8f8789a5b0a315cfe2c81124d14176c7ccdad0d314cb9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 18edf365903f8413580b8b2f714aad401d45a0aa9bb25e4f0bd94310f0e51aa7
[INFO] running `"docker" "start" "-a" "18edf365903f8413580b8b2f714aad401d45a0aa9bb25e4f0bd94310f0e51aa7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nix_installer-d1e3f1b5cb9d7b39
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nix_installer-c4da740dc646ef0c
[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 nix-installer
[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" "18edf365903f8413580b8b2f714aad401d45a0aa9bb25e4f0bd94310f0e51aa7"`
[INFO] running `"docker" "rm" "-f" "18edf365903f8413580b8b2f714aad401d45a0aa9bb25e4f0bd94310f0e51aa7"`
[INFO] [stdout] 18edf365903f8413580b8b2f714aad401d45a0aa9bb25e4f0bd94310f0e51aa7