[INFO] cloning repository https://github.com/Katrubs/purr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Katrubs/purr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatrubs%2Fpurr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatrubs%2Fpurr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43d18c6e65284184c20555713541acab23dbf642
[INFO] testing Katrubs/purr against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatrubs%2Fpurr" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Katrubs/purr on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Katrubs/purr
[INFO] finished tweaking git repo https://github.com/Katrubs/purr
[INFO] tweaked toml for git repo https://github.com/Katrubs/purr written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Katrubs/purr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_ignored v0.1.2
[INFO] [stderr]   Downloaded git2 v0.13.21
[INFO] [stderr]   Downloaded curl v0.4.38
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.21
[INFO] [stderr]   Downloaded libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]   Downloaded curl-sys v0.4.45+curl-7.78.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a9f326794640ff883d4f8a124df278da77e9fc5eea352cfbc69ad641172076
[INFO] running `Command { std: "docker" "start" "-a" "77a9f326794640ff883d4f8a124df278da77e9fc5eea352cfbc69ad641172076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a9f326794640ff883d4f8a124df278da77e9fc5eea352cfbc69ad641172076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a9f326794640ff883d4f8a124df278da77e9fc5eea352cfbc69ad641172076", kill_on_drop: false }`
[INFO] [stdout] 77a9f326794640ff883d4f8a124df278da77e9fc5eea352cfbc69ad641172076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 041be87628710b43ed7af0db809b539e0af46f5a1164b676a9f3c87846f49665
[INFO] running `Command { std: "docker" "start" "-a" "041be87628710b43ed7af0db809b539e0af46f5a1164b676a9f3c87846f49665", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling git2 v0.13.21
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_ignored v0.1.2
[INFO] [stderr]    Compiling purr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/purr/util/file.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::{path::Path,fs::OpenOptions,io::{Write,Read}};
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `open_file_from_std_path_path`
[INFO] [stdout]   --> src/purr/util/file.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn open_file_from_std_path_path(path: &Path) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.67s
[INFO] running `Command { std: "docker" "inspect" "041be87628710b43ed7af0db809b539e0af46f5a1164b676a9f3c87846f49665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041be87628710b43ed7af0db809b539e0af46f5a1164b676a9f3c87846f49665", kill_on_drop: false }`
[INFO] [stdout] 041be87628710b43ed7af0db809b539e0af46f5a1164b676a9f3c87846f49665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae78f781cbcd1a4f2d558a341e1406da6f359644c7467bc76256127147dfcef
[INFO] running `Command { std: "docker" "start" "-a" "0ae78f781cbcd1a4f2d558a341e1406da6f359644c7467bc76256127147dfcef", kill_on_drop: false }`
[INFO] [stderr]    Compiling purr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/purr/util/file.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::{path::Path,fs::OpenOptions,io::{Write,Read}};
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `open_file_from_std_path_path`
[INFO] [stdout]   --> src/purr/util/file.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn open_file_from_std_path_path(path: &Path) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "0ae78f781cbcd1a4f2d558a341e1406da6f359644c7467bc76256127147dfcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae78f781cbcd1a4f2d558a341e1406da6f359644c7467bc76256127147dfcef", kill_on_drop: false }`
[INFO] [stdout] 0ae78f781cbcd1a4f2d558a341e1406da6f359644c7467bc76256127147dfcef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9778727c9f2b51bbe0706413063df7e3a47d5c01d31a6d66ff0e614851299fd
[INFO] running `Command { std: "docker" "start" "-a" "b9778727c9f2b51bbe0706413063df7e3a47d5c01d31a6d66ff0e614851299fd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/purr/util/file.rs:18:43
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::{path::Path,fs::OpenOptions,io::{Write,Read}};
[INFO] [stderr]    |                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `open_file_from_std_path_path`
[INFO] [stderr]   --> src/purr/util/file.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn open_file_from_std_path_path(path: &Path) -> Result<String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `purr` (bin "purr" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/purr-569d3f03537eca8c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9778727c9f2b51bbe0706413063df7e3a47d5c01d31a6d66ff0e614851299fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9778727c9f2b51bbe0706413063df7e3a47d5c01d31a6d66ff0e614851299fd", kill_on_drop: false }`
[INFO] [stdout] b9778727c9f2b51bbe0706413063df7e3a47d5c01d31a6d66ff0e614851299fd