[INFO] cloning repository https://github.com/alexanderjeurissen/git-hooked
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexanderjeurissen/git-hooked" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderjeurissen%2Fgit-hooked", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderjeurissen%2Fgit-hooked'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe432c895d99e6181750622d3cd31d4dfdc35b67
[INFO] testing alexanderjeurissen/git-hooked against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexanderjeurissen%2Fgit-hooked" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexanderjeurissen/git-hooked on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexanderjeurissen/git-hooked
[INFO] finished tweaking git repo https://github.com/alexanderjeurissen/git-hooked
[INFO] tweaked toml for git repo https://github.com/alexanderjeurissen/git-hooked written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/alexanderjeurissen/git-hooked already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bd1247076aa4fd2a8b887a8222217f50b9598371773cd62f83776b290636ef8
[INFO] running `Command { std: "docker" "start" "-a" "4bd1247076aa4fd2a8b887a8222217f50b9598371773cd62f83776b290636ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd1247076aa4fd2a8b887a8222217f50b9598371773cd62f83776b290636ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd1247076aa4fd2a8b887a8222217f50b9598371773cd62f83776b290636ef8", kill_on_drop: false }`
[INFO] [stdout] 4bd1247076aa4fd2a8b887a8222217f50b9598371773cd62f83776b290636ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac9d9a7f65af8959e8c993d1edfef1af9fb774ffd5bcf6216a14ecc7f4a5983f
[INFO] running `Command { std: "docker" "start" "-a" "ac9d9a7f65af8959e8c993d1edfef1af9fb774ffd5bcf6216a14ecc7f4a5983f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling git-hooked v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `git_create_backup`
[INFO] [stdout]  --> src/git.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn git_create_backup() -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/hook.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     std::fs::create_dir(&destination_path);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.34s
[INFO] running `Command { std: "docker" "inspect" "ac9d9a7f65af8959e8c993d1edfef1af9fb774ffd5bcf6216a14ecc7f4a5983f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9d9a7f65af8959e8c993d1edfef1af9fb774ffd5bcf6216a14ecc7f4a5983f", kill_on_drop: false }`
[INFO] [stdout] ac9d9a7f65af8959e8c993d1edfef1af9fb774ffd5bcf6216a14ecc7f4a5983f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed2d229bc75e976903f2e869363b8b6d4b3dacec5a49389b766e1951829b9bda
[INFO] running `Command { std: "docker" "start" "-a" "ed2d229bc75e976903f2e869363b8b6d4b3dacec5a49389b766e1951829b9bda", kill_on_drop: false }`
[INFO] [stderr]    Compiling git-hooked v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `git_create_backup`
[INFO] [stdout]  --> src/git.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn git_create_backup() -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/hook.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |                     std::fs::create_dir(&destination_path);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "ed2d229bc75e976903f2e869363b8b6d4b3dacec5a49389b766e1951829b9bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2d229bc75e976903f2e869363b8b6d4b3dacec5a49389b766e1951829b9bda", kill_on_drop: false }`
[INFO] [stdout] ed2d229bc75e976903f2e869363b8b6d4b3dacec5a49389b766e1951829b9bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e508be11d17f2cbdf3f5bc2d610decae3c6c49bbaf1e33bebfc0574e6930ba72
[INFO] running `Command { std: "docker" "start" "-a" "e508be11d17f2cbdf3f5bc2d610decae3c6c49bbaf1e33bebfc0574e6930ba72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `git_create_backup`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/git.rs:5:8
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 | pub fn git_create_backup() -> Result<(), Error> {
[INFO] [stdout] 
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/hook.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |                     std::fs::create_dir(&destination_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] warning: `git-hooked` (bin "git-hooked" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_hooked-35d0557a13f80fc9)
[INFO] running `Command { std: "docker" "inspect" "e508be11d17f2cbdf3f5bc2d610decae3c6c49bbaf1e33bebfc0574e6930ba72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e508be11d17f2cbdf3f5bc2d610decae3c6c49bbaf1e33bebfc0574e6930ba72", kill_on_drop: false }`
[INFO] [stdout] e508be11d17f2cbdf3f5bc2d610decae3c6c49bbaf1e33bebfc0574e6930ba72