[INFO] cloning repository https://github.com/supinie/will_it_compile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supinie/will_it_compile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupinie%2Fwill_it_compile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupinie%2Fwill_it_compile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8daca0ab222f0b70b6058ff2012b3311dd68b230
[INFO] checking supinie/will_it_compile against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupinie%2Fwill_it_compile" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/supinie/will_it_compile
[INFO] finished tweaking git repo https://github.com/supinie/will_it_compile
[INFO] tweaked toml for git repo https://github.com/supinie/will_it_compile written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/supinie/will_it_compile on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/supinie/will_it_compile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking supinie/will_it_compile against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupinie%2Fwill_it_compile" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/supinie/will_it_compile
[INFO] finished tweaking git repo https://github.com/supinie/will_it_compile
[INFO] tweaked toml for git repo https://github.com/supinie/will_it_compile written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/supinie/will_it_compile on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/supinie/will_it_compile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c33cadc986340fbf734b921e996821be404137a7482f61c64237c9e3fc845908
[INFO] running `Command { std: "docker" "start" "-a" "c33cadc986340fbf734b921e996821be404137a7482f61c64237c9e3fc845908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c33cadc986340fbf734b921e996821be404137a7482f61c64237c9e3fc845908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33cadc986340fbf734b921e996821be404137a7482f61c64237c9e3fc845908", kill_on_drop: false }`
[INFO] [stdout] c33cadc986340fbf734b921e996821be404137a7482f61c64237c9e3fc845908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d8d5034319f60edb3de4af1c426945ff6ecdd6bd7844e5e44d5a6277ff6ef1e
[INFO] running `Command { std: "docker" "start" "-a" "7d8d5034319f60edb3de4af1c426945ff6ecdd6bd7844e5e44d5a6277ff6ef1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking will_it_compile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/funky.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |                    break! {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 27 | |/                     return! {
[INFO] [stdout] 28 | ||                         42
[INFO] [stdout] 29 | ||                     }
[INFO] [stdout]    | ||_____________________- any code following this expression is unreachable
[INFO] [stdout] 30 | |                  }
[INFO] [stdout]    | |__________________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/funky.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |                    break! {
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 27 | |/                     return! {
[INFO] [stdout] 28 | ||                         42
[INFO] [stdout] 29 | ||                     }
[INFO] [stdout]    | ||_____________________- any code following this expression is unreachable
[INFO] [stdout] 30 | |                  }
[INFO] [stdout]    | |__________________^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]  --> src/funky.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     something(return x + y);
[INFO] [stdout]   |     ^^^^^^^^^ ------------ any code following this expression is unreachable
[INFO] [stdout]   |     |
[INFO] [stdout]   |     unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]  --> src/funky.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     something(return x + y);
[INFO] [stdout]   |     ^^^^^^^^^ ------------ any code following this expression is unreachable
[INFO] [stdout]   |     |
[INFO] [stdout]   |     unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_ops` is never used
[INFO] [stdout]  --> src/maps.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn byte_ops(buffer: &[u8]) -> Result<Vec<i16>, TryFromIntError> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DNA` should have a snake case name
[INFO] [stdout]   --> src/primates.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub DNA: [u8; 24],
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `dna`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DNA` should have a snake case name
[INFO] [stdout]   --> src/primates.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub DNA: [u8; 24],
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `dna`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_ops` is never used
[INFO] [stdout]  --> src/maps.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn byte_ops(buffer: &[u8]) -> Result<Vec<i16>, TryFromIntError> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DNA` should have a snake case name
[INFO] [stdout]   --> src/primates.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub DNA: [u8; 24],
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `dna`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DNA` should have a snake case name
[INFO] [stdout]   --> src/primates.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub DNA: [u8; 24],
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `dna`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "7d8d5034319f60edb3de4af1c426945ff6ecdd6bd7844e5e44d5a6277ff6ef1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8d5034319f60edb3de4af1c426945ff6ecdd6bd7844e5e44d5a6277ff6ef1e", kill_on_drop: false }`
[INFO] [stdout] 7d8d5034319f60edb3de4af1c426945ff6ecdd6bd7844e5e44d5a6277ff6ef1e