[INFO] cloning repository https://github.com/dylanwishner/kelp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dylanwishner/kelp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanwishner%2Fkelp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanwishner%2Fkelp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 324e33bcd95176a185335d7f944c8aac2d0a5b30
[INFO] testing dylanwishner/kelp 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%2Fdylanwishner%2Fkelp" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dylanwishner/kelp 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/dylanwishner/kelp
[INFO] finished tweaking git repo https://github.com/dylanwishner/kelp
[INFO] tweaked toml for git repo https://github.com/dylanwishner/kelp written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/dylanwishner/kelp 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] bd626df3a46d2fd9b557565f602ca84150c084f72443338429e641083d76c153
[INFO] running `Command { std: "docker" "start" "-a" "bd626df3a46d2fd9b557565f602ca84150c084f72443338429e641083d76c153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd626df3a46d2fd9b557565f602ca84150c084f72443338429e641083d76c153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd626df3a46d2fd9b557565f602ca84150c084f72443338429e641083d76c153", kill_on_drop: false }`
[INFO] [stdout] bd626df3a46d2fd9b557565f602ca84150c084f72443338429e641083d76c153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 1dea324f82df4fd6907a1afed17caf6e87df8e6f045e0cb691d392616b376d7a
[INFO] running `Command { std: "docker" "start" "-a" "1dea324f82df4fd6907a1afed17caf6e87df8e6f045e0cb691d392616b376d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling tui v0.15.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling kelp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `write_to_file`
[INFO] [stdout]  --> src/util.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn write_to_file(path: &Path, string: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `log_err`
[INFO] [stdout]   --> src/util.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn log_err(err: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.07s
[INFO] running `Command { std: "docker" "inspect" "1dea324f82df4fd6907a1afed17caf6e87df8e6f045e0cb691d392616b376d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dea324f82df4fd6907a1afed17caf6e87df8e6f045e0cb691d392616b376d7a", kill_on_drop: false }`
[INFO] [stdout] 1dea324f82df4fd6907a1afed17caf6e87df8e6f045e0cb691d392616b376d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 5b88d76bd465778393b4a2c9445cf8f3f66f2cc631d0ff76b0b15c5031a1dd89
[INFO] running `Command { std: "docker" "start" "-a" "5b88d76bd465778393b4a2c9445cf8f3f66f2cc631d0ff76b0b15c5031a1dd89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kelp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `write_to_file`
[INFO] [stdout]  --> src/util.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn write_to_file(path: &Path, string: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `log_err`
[INFO] [stdout]   --> src/util.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn log_err(err: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "5b88d76bd465778393b4a2c9445cf8f3f66f2cc631d0ff76b0b15c5031a1dd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b88d76bd465778393b4a2c9445cf8f3f66f2cc631d0ff76b0b15c5031a1dd89", kill_on_drop: false }`
[INFO] [stdout] 5b88d76bd465778393b4a2c9445cf8f3f66f2cc631d0ff76b0b15c5031a1dd89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 01d0ee8381cf91950de7f54a64bd2cf2ea9a516d2f95535e579fdbb4a10b94f4
[INFO] running `Command { std: "docker" "start" "-a" "01d0ee8381cf91950de7f54a64bd2cf2ea9a516d2f95535e579fdbb4a10b94f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `write_to_file`
[INFO] [stderr]  --> src/util.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn write_to_file(path: &Path, string: &str) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `log_err`
[INFO] [stderr]   --> src/util.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn log_err(err: &str) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kelp` (bin "kelp" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kelp-7c02bbe63788ffc3)
[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" "01d0ee8381cf91950de7f54a64bd2cf2ea9a516d2f95535e579fdbb4a10b94f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d0ee8381cf91950de7f54a64bd2cf2ea9a516d2f95535e579fdbb4a10b94f4", kill_on_drop: false }`
[INFO] [stdout] 01d0ee8381cf91950de7f54a64bd2cf2ea9a516d2f95535e579fdbb4a10b94f4