[INFO] cloning repository https://github.com/schultyy/diagnostic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schultyy/diagnostic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fdiagnostic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fdiagnostic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e28301ef5a98710f35adc4ebcde2e5ff445c933b
[INFO] testing schultyy/diagnostic against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschultyy%2Fdiagnostic" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schultyy/diagnostic 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/schultyy/diagnostic
[INFO] finished tweaking git repo https://github.com/schultyy/diagnostic
[INFO] tweaked toml for git repo https://github.com/schultyy/diagnostic written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/schultyy/diagnostic 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 317278e20f66d4ee698d13c86b6c4316ae191114ac855d1e86e12c5124544fd4
[INFO] running `Command { std: "docker" "start" "-a" "317278e20f66d4ee698d13c86b6c4316ae191114ac855d1e86e12c5124544fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317278e20f66d4ee698d13c86b6c4316ae191114ac855d1e86e12c5124544fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317278e20f66d4ee698d13c86b6c4316ae191114ac855d1e86e12c5124544fd4", kill_on_drop: false }`
[INFO] [stdout] 317278e20f66d4ee698d13c86b6c4316ae191114ac855d1e86e12c5124544fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 391c170b0b77f44f8abf902caa83cdc7e5653897d16caa43e30e57ccac72969e
[INFO] running `Command { std: "docker" "start" "-a" "391c170b0b77f44f8abf902caa83cdc7e5653897d16caa43e30e57ccac72969e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling log-ql v0.1.0 (https://github.com/schultyy/log-ql?rev=e894c91a01049f03b0f3e38eb374b99290b68a19#e894c91a)
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling diagnostic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/configuration.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     file.read_to_string(&mut serialized);
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/log_file.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     file.read_to_string(&mut complete_file);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 19.75s
[INFO] running `Command { std: "docker" "inspect" "391c170b0b77f44f8abf902caa83cdc7e5653897d16caa43e30e57ccac72969e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391c170b0b77f44f8abf902caa83cdc7e5653897d16caa43e30e57ccac72969e", kill_on_drop: false }`
[INFO] [stdout] 391c170b0b77f44f8abf902caa83cdc7e5653897d16caa43e30e57ccac72969e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] b0b35012634f86a1a165ed07b3cb7a233614f07c4af18f555c3e4b1171dd0548
[INFO] running `Command { std: "docker" "start" "-a" "b0b35012634f86a1a165ed07b3cb7a233614f07c4af18f555c3e4b1171dd0548", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling diagnostic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/configuration.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     file.read_to_string(&mut serialized);
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/log_file.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     file.read_to_string(&mut complete_file);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 1.86s
[INFO] running `Command { std: "docker" "inspect" "b0b35012634f86a1a165ed07b3cb7a233614f07c4af18f555c3e4b1171dd0548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b35012634f86a1a165ed07b3cb7a233614f07c4af18f555c3e4b1171dd0548", kill_on_drop: false }`
[INFO] [stdout] b0b35012634f86a1a165ed07b3cb7a233614f07c4af18f555c3e4b1171dd0548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] e11dc2ac19164494ebece7b9a31e2e2cabfbb22fe042fce37ba4b70c169976cb
[INFO] running `Command { std: "docker" "start" "-a" "e11dc2ac19164494ebece7b9a31e2e2cabfbb22fe042fce37ba4b70c169976cb", 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/configuration.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     file.read_to_string(&mut serialized);
[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: unused `Result` that must be used
[INFO] [stderr]   --> src/log_file.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     file.read_to_string(&mut complete_file);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `diagnostic` (bin "diagnostic" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diagnostic-e62d5c49bc1b2bff)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test query_context::tests::query_with_limit_10_returns_exactly_the_first_10_lines ... ok
[INFO] [stdout] test query_context::tests::query_with_where_clause_returns_exactly_filtered_rows ... ok
[INFO] [stdout] test query_context::tests::query_with_limit_last_2_returns_exactly_the_last_2_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e11dc2ac19164494ebece7b9a31e2e2cabfbb22fe042fce37ba4b70c169976cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11dc2ac19164494ebece7b9a31e2e2cabfbb22fe042fce37ba4b70c169976cb", kill_on_drop: false }`
[INFO] [stdout] e11dc2ac19164494ebece7b9a31e2e2cabfbb22fe042fce37ba4b70c169976cb