[INFO] cloning repository https://github.com/delandtj/lsrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/delandtj/lsrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelandtj%2Flsrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelandtj%2Flsrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bd8974a75d59f464db7699d2cfe8e00dfd80a0f
[INFO] testing delandtj/lsrt against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelandtj%2Flsrt" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/delandtj/lsrt on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/delandtj/lsrt
[INFO] finished tweaking git repo https://github.com/delandtj/lsrt
[INFO] tweaked toml for git repo https://github.com/delandtj/lsrt written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/delandtj/lsrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded parking v1.0.1
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded fastrand v1.2.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded lexical-sort v0.3.0
[INFO] [stderr]   Downloaded any_ascii v0.1.5
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b436675dd9c80a75c83920b45d4184054238abdd33c92c559a18b9baf9163e7e
[INFO] running `Command { std: "docker" "start" "-a" "b436675dd9c80a75c83920b45d4184054238abdd33c92c559a18b9baf9163e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b436675dd9c80a75c83920b45d4184054238abdd33c92c559a18b9baf9163e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b436675dd9c80a75c83920b45d4184054238abdd33c92c559a18b9baf9163e7e", kill_on_drop: false }`
[INFO] [stdout] b436675dd9c80a75c83920b45d4184054238abdd33c92c559a18b9baf9163e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dddbfeaaa6bdcd3e61322b91fe52ad87430b9ed4ec3aa45df49977a53c073cad
[INFO] running `Command { std: "docker" "start" "-a" "dddbfeaaa6bdcd3e61322b91fe52ad87430b9ed4ec3aa45df49977a53c073cad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling cache-padded v1.1.0
[INFO] [stderr]    Compiling parking v1.0.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling fastrand v1.2.4
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling any_ascii v0.1.5
[INFO] [stderr]    Compiling paw-raw v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling concurrent-queue v1.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling lexical-sort v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling blocking v0.4.6
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling lsrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     block_on(_main_());
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.03s
[INFO] running `Command { std: "docker" "inspect" "dddbfeaaa6bdcd3e61322b91fe52ad87430b9ed4ec3aa45df49977a53c073cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddbfeaaa6bdcd3e61322b91fe52ad87430b9ed4ec3aa45df49977a53c073cad", kill_on_drop: false }`
[INFO] [stdout] dddbfeaaa6bdcd3e61322b91fe52ad87430b9ed4ec3aa45df49977a53c073cad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0f16740311fc320aa7011949a7394ee2d9c1bace4ec40ab03fa8c8de7252661
[INFO] running `Command { std: "docker" "start" "-a" "a0f16740311fc320aa7011949a7394ee2d9c1bace4ec40ab03fa8c8de7252661", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lsrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     block_on(_main_());
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.53s
[INFO] running `Command { std: "docker" "inspect" "a0f16740311fc320aa7011949a7394ee2d9c1bace4ec40ab03fa8c8de7252661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f16740311fc320aa7011949a7394ee2d9c1bace4ec40ab03fa8c8de7252661", kill_on_drop: false }`
[INFO] [stdout] a0f16740311fc320aa7011949a7394ee2d9c1bace4ec40ab03fa8c8de7252661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a54581ad9915a5a59a6f5a49f1865021843b7cd89248a7eea2c961298c2d79e
[INFO] running `Command { std: "docker" "start" "-a" "8a54581ad9915a5a59a6f5a49f1865021843b7cd89248a7eea2c961298c2d79e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     block_on(_main_());
[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: `lsrt` (bin "lsrt" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lsrt-e679918db7995577)
[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" "8a54581ad9915a5a59a6f5a49f1865021843b7cd89248a7eea2c961298c2d79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a54581ad9915a5a59a6f5a49f1865021843b7cd89248a7eea2c961298c2d79e", kill_on_drop: false }`
[INFO] [stdout] 8a54581ad9915a5a59a6f5a49f1865021843b7cd89248a7eea2c961298c2d79e