[INFO] cloning repository https://github.com/tomafro/flashlight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomafro/flashlight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomafro%2Fflashlight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomafro%2Fflashlight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7529d89eb9d97841151555e04a68763e7d1b0c0
[INFO] checking tomafro/flashlight against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomafro%2Fflashlight" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomafro/flashlight on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomafro/flashlight
[INFO] finished tweaking git repo https://github.com/tomafro/flashlight
[INFO] tweaked toml for git repo https://github.com/tomafro/flashlight written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tomafro/flashlight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1f942817be61c8aac1a544b0cbc169afb82d3974c2351cc46b5a497c1463c69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1f942817be61c8aac1a544b0cbc169afb82d3974c2351cc46b5a497c1463c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1f942817be61c8aac1a544b0cbc169afb82d3974c2351cc46b5a497c1463c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f942817be61c8aac1a544b0cbc169afb82d3974c2351cc46b5a497c1463c69", kill_on_drop: false }`
[INFO] [stdout] f1f942817be61c8aac1a544b0cbc169afb82d3974c2351cc46b5a497c1463c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98af417d61856f023950cce7a51d9a8884b333771cbf0190dd33fbdeec5ebdd4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98af417d61856f023950cce7a51d9a8884b333771cbf0190dd33fbdeec5ebdd4", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking serde v1.0.34
[INFO] [stderr]    Compiling unindent v0.1.2
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking isatty v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling indoc-impl v0.2.3
[INFO] [stderr]     Checking indoc v0.2.3
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking flashlight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/reader.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub input: Box<BufRead>,
[INFO] [stdout]   |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parser.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | /         lazy_static! {
[INFO] [stdout] 67 | |             static ref SPLITTER: Regex =
[INFO] [stdout] 68 | |                 Regex::new(r"^\[([^\]]+)\](?: \[[^\]]+\])? \[([a-z0-9]+…|[a-f0-9-]+)\]").unwrap();
[INFO] [stdout] 69 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/reader.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub input: Box<BufRead>,
[INFO] [stdout]   |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parser.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | /         lazy_static! {
[INFO] [stdout] 67 | |             static ref SPLITTER: Regex =
[INFO] [stdout] 68 | |                 Regex::new(r"^\[([^\]]+)\](?: \[[^\]]+\])? \[([a-z0-9]+…|[a-f0-9-]+)\]").unwrap();
[INFO] [stdout] 69 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]   --> src/parser/test.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             key;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.33s
[INFO] running `Command { std: "docker" "inspect" "98af417d61856f023950cce7a51d9a8884b333771cbf0190dd33fbdeec5ebdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98af417d61856f023950cce7a51d9a8884b333771cbf0190dd33fbdeec5ebdd4", kill_on_drop: false }`
[INFO] [stdout] 98af417d61856f023950cce7a51d9a8884b333771cbf0190dd33fbdeec5ebdd4